includes/clientside/static/crypto.js
author Dan Fuhry <dan@enanocms.org>
Thu, 28 Oct 2010 03:05:31 -0400
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Parser updates. Added the "styled" keyword to wikitables to allow them to be styled using the current theme's standard table skinning, and changes to how the image tag parser decides how to display an image (framed, inline or raw).
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////////////////////////////////////////////////////////////////////////////////////////
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// Big Integer Library v. 5.1
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// Created 2000, last modified 2007
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// Leemon Baird
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// www.leemon.com
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//
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// Version history:
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//
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// v 5.1  8 Oct 2007 
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//   - renamed inverseModInt_ to inverseModInt since it doesn't change its parameters
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//   - added functions GCD and randBigInt, which call GCD_ and randBigInt_
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//   - fixed a bug found by Rob Visser (see comment with his name below)
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//   - improved comments
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//
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// This file is public domain.   You can use it for any purpose without restriction.
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// I do not guarantee that it is correct, so use it at your own risk.  If you use 
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// it for something interesting, I'd appreciate hearing about it.  If you find 
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// any bugs or make any improvements, I'd appreciate hearing about those too.
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// It would also be nice if my name and address were left in the comments.
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// But none of that is required.
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//
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// This code defines a bigInt library for arbitrary-precision integers.
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// A bigInt is an array of integers storing the value in chunks of bpe bits, 
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// little endian (buff[0] is the least significant word).
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// Negative bigInts are stored two's complement.
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// Some functions assume their parameters have at least one leading zero element.
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// Functions with an underscore at the end of the name have unpredictable behavior in case of overflow, 
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// so the caller must make sure the arrays must be big enough to hold the answer.
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// For each function where a parameter is modified, that same 
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// variable must not be used as another argument too.
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// So, you cannot square x by doing multMod_(x,x,n).  
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// You must use squareMod_(x,n) instead, or do y=dup(x); multMod_(x,y,n).
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//
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// These functions are designed to avoid frequent dynamic memory allocation in the inner loop.
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// For most functions, if it needs a BigInt as a local variable it will actually use
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// a global, and will only allocate to it only when it's not the right size.  This ensures
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// that when a function is called repeatedly with same-sized parameters, it only allocates
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// memory on the first call.
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//
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// Note that for cryptographic purposes, the calls to Math.random() must 
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// be replaced with calls to a better pseudorandom number generator.
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//
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// In the following, "bigInt" means a bigInt with at least one leading zero element,
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// and "integer" means a nonnegative integer less than radix.  In some cases, integer 
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// can be negative.  Negative bigInts are 2s complement.
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// 
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// The following functions do not modify their inputs.
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// Those returning a bigInt, string, or Array will dynamically allocate memory for that value.
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// Those returning a boolean will return the integer 0 (false) or 1 (true).
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// Those returning boolean or int will not allocate memory except possibly on the first time they're called with a given parameter size.
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// 
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// bigInt  add(x,y)               //return (x+y) for bigInts x and y.  
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// bigInt  addInt(x,n)            //return (x+n) where x is a bigInt and n is an integer.
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// string  bigInt2str(x,base)     //return a string form of bigInt x in a given base, with 2 <= base <= 95
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// int     bitSize(x)             //return how many bits long the bigInt x is, not counting leading zeros
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// bigInt  dup(x)                 //return a copy of bigInt x
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// boolean equals(x,y)            //is the bigInt x equal to the bigint y?
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// boolean equalsInt(x,y)         //is bigint x equal to integer y?
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// bigInt  expand(x,n)            //return a copy of x with at least n elements, adding leading zeros if needed
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// Array   findPrimes(n)          //return array of all primes less than integer n
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// bigInt  GCD(x,y)               //return greatest common divisor of bigInts x and y (each with same number of elements).
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// boolean greater(x,y)           //is x>y?  (x and y are nonnegative bigInts)
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// boolean greaterShift(x,y,shift)//is (x <<(shift*bpe)) > y?
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// bigInt  int2bigInt(t,n,m)      //return a bigInt equal to integer t, with at least n bits and m array elements
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// bigInt  inverseMod(x,n)        //return (x**(-1) mod n) for bigInts x and n.  If no inverse exists, it returns null
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// int     inverseModInt(x,n)     //return x**(-1) mod n, for integers x and n.  Return 0 if there is no inverse
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// boolean isZero(x)              //is the bigInt x equal to zero?
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// boolean millerRabin(x,b)       //does one round of Miller-Rabin base integer b say that bigInt x is possibly prime (as opposed to definitely composite)?
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// bigInt  mod(x,n)               //return a new bigInt equal to (x mod n) for bigInts x and n.
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// int     modInt(x,n)            //return x mod n for bigInt x and integer n.
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// bigInt  mult(x,y)              //return x*y for bigInts x and y. This is faster when y<x.
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// bigInt  multMod(x,y,n)         //return (x*y mod n) for bigInts x,y,n.  For greater speed, let y<x.
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// boolean negative(x)            //is bigInt x negative?
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// bigInt  powMod(x,y,n)          //return (x**y mod n) where x,y,n are bigInts and ** is exponentiation.  0**0=1. Faster for odd n.
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// bigInt  randBigInt(n,s)        //return an n-bit random BigInt (n>=1).  If s=1, then the most significant of those n bits is set to 1.
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// bigInt  randTruePrime(k)       //return a new, random, k-bit, true prime bigInt using Maurer's algorithm.
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// bigInt  str2bigInt(s,b,n,m)    //return a bigInt for number represented in string s in base b with at least n bits and m array elements
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// bigInt  sub(x,y)               //return (x-y) for bigInts x and y.  Negative answers will be 2s complement
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// bigInt  bigint_trim(x,k)              //return a copy of x with exactly k leading zero elements
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//
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//
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// The following functions each have a non-underscored version, which most users should call instead.
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// These functions each write to a single parameter, and the caller is responsible for ensuring the array 
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// passed in is large enough to hold the result. 
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//
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// void    addInt_(x,n)          //do x=x+n where x is a bigInt and n is an integer
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// void    add_(x,y)             //do x=x+y for bigInts x and y
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// void    copy_(x,y)            //do x=y on bigInts x and y
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// void    copyInt_(x,n)         //do x=n on bigInt x and integer n
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// void    GCD_(x,y)             //set x to the greatest common divisor of bigInts x and y, (y is destroyed).  (This never overflows its array).
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// boolean inverseMod_(x,n)      //do x=x**(-1) mod n, for bigInts x and n. Returns 1 (0) if inverse does (doesn't) exist
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// void    mod_(x,n)             //do x=x mod n for bigInts x and n. (This never overflows its array).
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// void    mult_(x,y)            //do x=x*y for bigInts x and y.
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// void    multMod_(x,y,n)       //do x=x*y  mod n for bigInts x,y,n.
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// void    powMod_(x,y,n)        //do x=x**y mod n, where x,y,n are bigInts (n is odd) and ** is exponentiation.  0**0=1.
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// void    randBigInt_(b,n,s)    //do b = an n-bit random BigInt. if s=1, then nth bit (most significant bit) is set to 1. n>=1.
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// void    randTruePrime_(ans,k) //do ans = a random k-bit true random prime (not just probable prime) with 1 in the msb.
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// void    sub_(x,y)             //do x=x-y for bigInts x and y. Negative answers will be 2s complement.
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//
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// The following functions do NOT have a non-underscored version. 
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// They each write a bigInt result to one or more parameters.  The caller is responsible for
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// ensuring the arrays passed in are large enough to hold the results. 
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//
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// void addShift_(x,y,ys)       //do x=x+(y<<(ys*bpe))
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// void carry_(x)               //do carries and borrows so each element of the bigInt x fits in bpe bits.
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// void divide_(x,y,q,r)        //divide x by y giving quotient q and remainder r
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// int  divInt_(x,n)            //do x=floor(x/n) for bigInt x and integer n, and return the remainder. (This never overflows its array).
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// int  eGCD_(x,y,d,a,b)        //sets a,b,d to positive bigInts such that d = GCD_(x,y) = a*x-b*y
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// void halve_(x)               //do x=floor(|x|/2)*sgn(x) for bigInt x in 2's complement.  (This never overflows its array).
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// void leftShift_(x,n)         //left shift bigInt x by n bits.  n<bpe.
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// void linComb_(x,y,a,b)       //do x=a*x+b*y for bigInts x and y and integers a and b
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// void linCombShift_(x,y,b,ys) //do x=x+b*(y<<(ys*bpe)) for bigInts x and y, and integers b and ys
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// void mont_(x,y,n,np)         //Montgomery multiplication (see comments where the function is defined)
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// void multInt_(x,n)           //do x=x*n where x is a bigInt and n is an integer.
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// void rightShift_(x,n)        //right shift bigInt x by n bits.  0 <= n < bpe. (This never overflows its array).
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// void squareMod_(x,n)         //do x=x*x  mod n for bigInts x,n
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// void subShift_(x,y,ys)       //do x=x-(y<<(ys*bpe)). Negative answers will be 2s complement.
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//
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// The following functions are based on algorithms from the _Handbook of Applied Cryptography_
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//    powMod_()           = algorithm 14.94, Montgomery exponentiation
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//    eGCD_,inverseMod_() = algorithm 14.61, Binary extended GCD_
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//    GCD_()              = algorothm 14.57, Lehmer's algorithm
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//    mont_()             = algorithm 14.36, Montgomery multiplication
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//    divide_()           = algorithm 14.20  Multiple-precision division
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//    squareMod_()        = algorithm 14.16  Multiple-precision squaring
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//    randTruePrime_()    = algorithm  4.62, Maurer's algorithm
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//    millerRabin()       = algorithm  4.24, Miller-Rabin algorithm
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//
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// Profiling shows:
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//     randTruePrime_() spends:
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//         10% of its time in calls to powMod_()
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//         85% of its time in calls to millerRabin()
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//     millerRabin() spends:
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//         99% of its time in calls to powMod_()   (always with a base of 2)
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//     powMod_() spends:
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//         94% of its time in calls to mont_()  (almost always with x==y)
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//
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// This suggests there are several ways to speed up this library slightly:
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//     - convert powMod_ to use a Montgomery form of k-ary window (or maybe a Montgomery form of sliding window)
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//         -- this should especially focus on being fast when raising 2 to a power mod n
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//     - convert randTruePrime_() to use a minimum r of 1/3 instead of 1/2 with the appropriate change to the test
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//     - tune the parameters in randTruePrime_(), including c, m, and recLimit
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//     - speed up the single loop in mont_() that takes 95% of the runtime, perhaps by reducing checking
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//       within the loop when all the parameters are the same length.
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//
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// There are several ideas that look like they wouldn't help much at all:
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//     - replacing trial division in randTruePrime_() with a sieve (that speeds up something taking almost no time anyway)
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//     - increase bpe from 15 to 30 (that would help if we had a 32*32->64 multiplier, but not with JavaScript's 32*32->32)
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//     - speeding up mont_(x,y,n,np) when x==y by doing a non-modular, non-Montgomery square
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//       followed by a Montgomery reduction.  The intermediate answer will be twice as long as x, so that
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//       method would be slower.  This is unfortunate because the code currently spends almost all of its time
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//       doing mont_(x,x,...), both for randTruePrime_() and powMod_().  A faster method for Montgomery squaring
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//       would have a large impact on the speed of randTruePrime_() and powMod_().  HAC has a couple of poorly-worded
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//       sentences that seem to imply it's faster to do a non-modular square followed by a single
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//       Montgomery reduction, but that's obviously wrong.
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////////////////////////////////////////////////////////////////////////////////////////
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//globals
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bpe=0;         //bits stored per array element
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mask=0;        //AND this with an array element to chop it down to bpe bits
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radix=mask+1;  //equals 2^bpe.  A single 1 bit to the left of the last bit of mask.
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//the digits for converting to different bases
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digitsStr='0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_=!@#$%^&*()[]{}|;:,.<>/?`~ \\\'\"+-';
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//initialize the global variables
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for (bpe=0; (1<<(bpe+1)) > (1<<bpe); bpe++);  //bpe=number of bits in the mantissa on this platform
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bpe>>=1;                   //bpe=number of bits in one element of the array representing the bigInt
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mask=(1<<bpe)-1;           //AND the mask with an integer to get its bpe least significant bits
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radix=mask+1;              //2^bpe.  a single 1 bit to the left of the first bit of mask
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one=int2bigInt(1,1,1);     //constant used in powMod_()
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//the following global variables are scratchpad memory to 
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//reduce dynamic memory allocation in the inner loop
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t=new Array(0);
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ss=t;       //used in mult_()
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s0=t;       //used in multMod_(), squareMod_() 
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s1=t;       //used in powMod_(), multMod_(), squareMod_() 
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s2=t;       //used in powMod_(), multMod_()
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s3=t;       //used in powMod_()
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s4=t; s5=t; //used in mod_()
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s6=t;       //used in bigInt2str()
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s7=t;       //used in powMod_()
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T=t;        //used in GCD_()
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sa=t;       //used in mont_()
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mr_x1=t; mr_r=t; mr_a=t;                                      //used in millerRabin()
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eg_v=t; eg_u=t; eg_A=t; eg_B=t; eg_C=t; eg_D=t;               //used in eGCD_(), inverseMod_()
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md_q1=t; md_q2=t; md_q3=t; md_r=t; md_r1=t; md_r2=t; md_tt=t; //used in mod_()
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primes=t; pows=t; s_i=t; s_i2=t; s_R=t; s_rm=t; s_q=t; s_n1=t; 
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	s_a=t; s_r2=t; s_n=t; s_b=t; s_d=t; s_x1=t; s_x2=t, s_aa=t; //used in randTruePrime_()
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////////////////////////////////////////////////////////////////////////////////////////
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//return array of all primes less than integer n
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function findPrimes(n) {
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	var i,s,p,ans;
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	s=new Array(n);
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	for (i=0;i<n;i++)
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		s[i]=0;
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	s[0]=2;
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	p=0;    //first p elements of s are primes, the rest are a sieve
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	for(;s[p]<n;) {                  //s[p] is the pth prime
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		for(i=s[p]*s[p]; i<n; i+=s[p]) //mark multiples of s[p]
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			s[i]=1;
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		p++;
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		s[p]=s[p-1]+1;
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		for(; s[p]<n && s[s[p]]; s[p]++); //find next prime (where s[p]==0)
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	}
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	ans=new Array(p);
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	for(i=0;i<p;i++)
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		ans[i]=s[i];
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	return ans;
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}
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//does a single round of Miller-Rabin base b consider x to be a possible prime?
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//x is a bigInt, and b is an integer
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function millerRabin(x,b) {
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	var i,j,k,s;
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	if (mr_x1.length!=x.length) {
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		mr_x1=dup(x);
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		mr_r=dup(x);
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		mr_a=dup(x);
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	}
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	copyInt_(mr_a,b);
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	copy_(mr_r,x);
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	copy_(mr_x1,x);
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	addInt_(mr_r,-1);
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	addInt_(mr_x1,-1);
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	//s=the highest power of two that divides mr_r
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	k=0;
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	for (i=0;i<mr_r.length;i++)
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		for (j=1;j<mask;j<<=1)
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			if (x[i] & j) {
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				s=(k<mr_r.length+bpe ? k : 0); 
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 				i=mr_r.length;
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 				j=mask;
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			} else
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				k++;
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	if (s)                
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		rightShift_(mr_r,s);
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	powMod_(mr_a,mr_r,x);
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	if (!equalsInt(mr_a,1) && !equals(mr_a,mr_x1)) {
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		j=1;
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		while (j<=s-1 && !equals(mr_a,mr_x1)) {
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			squareMod_(mr_a,x);
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			if (equalsInt(mr_a,1)) {
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				return 0;
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			}
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			j++;
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		}
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		if (!equals(mr_a,mr_x1)) {
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			return 0;
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		}
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	}
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	return 1;  
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}
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//returns how many bits long the bigInt is, not counting leading zeros.
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function bitSize(x) {
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	var j,z,w;
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	for (j=x.length-1; (x[j]==0) && (j>0); j--);
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	for (z=0,w=x[j]; w; (w>>=1),z++);
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	z+=bpe*j;
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	return z;
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}
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//return a copy of x with at least n elements, adding leading zeros if needed
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function expand(x,n) {
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	var ans=int2bigInt(0,(x.length>n ? x.length : n)*bpe,0);
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	copy_(ans,x);
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	return ans;
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}
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//return a k-bit true random prime using Maurer's algorithm.
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function randTruePrime(k) {
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	var ans=int2bigInt(0,k,0);
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	randTruePrime_(ans,k);
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	return bigint_trim(ans,1);
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}
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//return a new bigInt equal to (x mod n) for bigInts x and n.
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function mod(x,n) {
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   291
	var ans=dup(x);
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	mod_(ans,n);
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	return bigint_trim(ans,1);
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}
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//return (x+n) where x is a bigInt and n is an integer.
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function addInt(x,n) {
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   298
	var ans=expand(x,x.length+1);
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   299
	addInt_(ans,n);
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	return bigint_trim(ans,1);
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}
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//return x*y for bigInts x and y. This is faster when y<x.
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function mult(x,y) {
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   305
	var ans=expand(x,x.length+y.length);
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   306
	mult_(ans,y);
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	return bigint_trim(ans,1);
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}
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//return (x**y mod n) where x,y,n are bigInts and ** is exponentiation.  0**0=1. Faster for odd n.
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function powMod(x,y,n) {
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   312
	var ans=expand(x,n.length);  
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   313
	powMod_(ans,bigint_trim(y,2),bigint_trim(n,2),0);  //this should work without the trim, but doesn't
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	return bigint_trim(ans,1);
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}
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//return (x-y) for bigInts x and y.  Negative answers will be 2s complement
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function sub(x,y) {
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   319
	var ans=expand(x,(x.length>y.length ? x.length+1 : y.length+1)); 
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   320
	sub_(ans,y);
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   321
	return bigint_trim(ans,1);
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}
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//return (x+y) for bigInts x and y.  
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function add(x,y) {
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   326
	var ans=expand(x,(x.length>y.length ? x.length+1 : y.length+1)); 
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   327
	add_(ans,y);
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	return bigint_trim(ans,1);
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}
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   331
//return (x**(-1) mod n) for bigInts x and n.  If no inverse exists, it returns null
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function inverseMod(x,n) {
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   333
	var ans=expand(x,n.length); 
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   334
	var s;
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   335
	s=inverseMod_(ans,n);
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   336
	return s ? bigint_trim(ans,1) : null;
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}
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//return (x*y mod n) for bigInts x,y,n.  For greater speed, let y<x.
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   340
function multMod(x,y,n) {
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   341
	var ans=expand(x,n.length);
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   342
	multMod_(ans,y,n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
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   343
	return bigint_trim(ans,1);
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}
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//generate a k-bit true random prime using Maurer's algorithm,
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//and put it into ans.  The bigInt ans must be large enough to hold it.
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function randTruePrime_(ans,k) {
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   349
	var c,m,pm,dd,j,r,B,divisible,z,zz,recSize;
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   351
	if (primes.length==0)
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		primes=findPrimes(30000);  //check for divisibility by primes <=30000
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   354
	if (pows.length==0) {
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   355
		pows=new Array(512);
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   356
		for (j=0;j<512;j++) {
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   357
			pows[j]=Math.pow(2,j/511.-1.);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   358
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   359
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   360
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   361
	//c and m should be tuned for a particular machine and value of k, to maximize speed
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   362
	c=0.1;  //c=0.1 in HAC
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   363
	m=20;   //generate this k-bit number by first recursively generating a number that has between k/2 and k-m bits
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   364
	recLimit=20; //stop recursion when k <=recLimit.  Must have recLimit >= 2
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   365
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   366
	if (s_i2.length!=ans.length) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   367
		s_i2=dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   368
		s_R =dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   369
		s_n1=dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   370
		s_r2=dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   371
		s_d =dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   372
		s_x1=dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   373
		s_x2=dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   374
		s_b =dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   375
		s_n =dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   376
		s_i =dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   377
		s_rm=dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   378
		s_q =dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   379
		s_a =dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   380
		s_aa=dup(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   381
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   382
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   383
	if (k <= recLimit) {  //generate small random primes by trial division up to its square root
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   384
		pm=(1<<((k+2)>>1))-1; //pm is binary number with all ones, just over sqrt(2^k)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   385
		copyInt_(ans,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   386
		for (dd=1;dd;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   387
			dd=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   388
			ans[0]= 1 | (1<<(k-1)) | Math.floor(Math.random()*(1<<k));  //random, k-bit, odd integer, with msb 1
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   389
			for (j=1;(j<primes.length) && ((primes[j]&pm)==primes[j]);j++) { //trial division by all primes 3...sqrt(2^k)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   390
				if (0==(ans[0]%primes[j])) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   391
					dd=1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   392
					break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   393
				}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   394
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   395
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   396
		carry_(ans);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   397
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   398
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   399
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   400
	B=c*k*k;    //try small primes up to B (or all the primes[] array if the largest is less than B).
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   401
	if (k>2*m)  //generate this k-bit number by first recursively generating a number that has between k/2 and k-m bits
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   402
		for (r=1; k-k*r<=m; )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   403
			r=pows[Math.floor(Math.random()*512)];   //r=Math.pow(2,Math.random()-1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   404
	else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   405
		r=.5;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   406
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   407
	//simulation suggests the more complex algorithm using r=.333 is only slightly faster.
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   408
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   409
	recSize=Math.floor(r*k)+1;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   410
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   411
	randTruePrime_(s_q,recSize);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   412
	copyInt_(s_i2,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   413
	s_i2[Math.floor((k-2)/bpe)] |= (1<<((k-2)%bpe));   //s_i2=2^(k-2)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   414
	divide_(s_i2,s_q,s_i,s_rm);                        //s_i=floor((2^(k-1))/(2q))
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   415
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   416
	z=bitSize(s_i);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   417
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   418
	for (;;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   419
		for (;;) {  //generate z-bit numbers until one falls in the range [0,s_i-1]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   420
			randBigInt_(s_R,z,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   421
			if (greater(s_i,s_R))
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   422
				break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   423
		}                //now s_R is in the range [0,s_i-1]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   424
		addInt_(s_R,1);  //now s_R is in the range [1,s_i]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   425
		add_(s_R,s_i);   //now s_R is in the range [s_i+1,2*s_i]
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   426
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   427
		copy_(s_n,s_q);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   428
		mult_(s_n,s_R); 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   429
		multInt_(s_n,2);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   430
		addInt_(s_n,1);    //s_n=2*s_R*s_q+1
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   431
		
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   432
		copy_(s_r2,s_R);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   433
		multInt_(s_r2,2);  //s_r2=2*s_R
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   434
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   435
		//check s_n for divisibility by small primes up to B
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   436
		for (divisible=0,j=0; (j<primes.length) && (primes[j]<B); j++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   437
			if (modInt(s_n,primes[j])==0) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   438
				divisible=1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   439
				break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   440
			}      
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   441
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   442
		if (!divisible)    //if it passes small primes check, then try a single Miller-Rabin base 2
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   443
			if (!millerRabin(s_n,2)) //this line represents 75% of the total runtime for randTruePrime_ 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   444
				divisible=1;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   445
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   446
		if (!divisible) {  //if it passes that test, continue checking s_n
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   447
			addInt_(s_n,-3);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   448
			for (j=s_n.length-1;(s_n[j]==0) && (j>0); j--);  //strip leading zeros
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   449
			for (zz=0,w=s_n[j]; w; (w>>=1),zz++);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   450
			zz+=bpe*j;                             //zz=number of bits in s_n, ignoring leading zeros
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   451
			for (;;) {  //generate z-bit numbers until one falls in the range [0,s_n-1]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   452
				randBigInt_(s_a,zz,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   453
				if (greater(s_n,s_a))
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   454
					break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   455
			}                //now s_a is in the range [0,s_n-1]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   456
			addInt_(s_n,3);  //now s_a is in the range [0,s_n-4]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   457
			addInt_(s_a,2);  //now s_a is in the range [2,s_n-2]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   458
			copy_(s_b,s_a);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   459
			copy_(s_n1,s_n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   460
			addInt_(s_n1,-1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   461
			powMod_(s_b,s_n1,s_n);   //s_b=s_a^(s_n-1) modulo s_n
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   462
			addInt_(s_b,-1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   463
			if (isZero(s_b)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   464
				copy_(s_b,s_a);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   465
				powMod_(s_b,s_r2,s_n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   466
				addInt_(s_b,-1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   467
				copy_(s_aa,s_n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   468
				copy_(s_d,s_b);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   469
				GCD_(s_d,s_n);  //if s_b and s_n are relatively prime, then s_n is a prime
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   470
				if (equalsInt(s_d,1)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   471
					copy_(ans,s_aa);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   472
					return;     //if we've made it this far, then s_n is absolutely guaranteed to be prime
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   473
				}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   474
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   475
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   476
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   477
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   478
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   479
//Return an n-bit random BigInt (n>=1).  If s=1, then the most significant of those n bits is set to 1.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   480
function randBigInt(n,s) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   481
	var a,b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   482
	a=Math.floor((n-1)/bpe)+2; //# array elements to hold the BigInt with a leading 0 element
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   483
	b=int2bigInt(0,0,a);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   484
	randBigInt_(b,n,s);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   485
	return b;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   486
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   487
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   488
//Set b to an n-bit random BigInt.  If s=1, then the most significant of those n bits is set to 1.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   489
//Array b must be big enough to hold the result. Must have n>=1
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   490
function randBigInt_(b,n,s) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   491
	var i,a;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   492
	for (i=0;i<b.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   493
		b[i]=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   494
	a=Math.floor((n-1)/bpe)+1; //# array elements to hold the BigInt
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   495
	for (i=0;i<a;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   496
		b[i]=Math.floor(Math.random()*(1<<(bpe-1)));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   497
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   498
	b[a-1] &= (2<<((n-1)%bpe))-1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   499
	if (s==1)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   500
		b[a-1] |= (1<<((n-1)%bpe));
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   501
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   502
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   503
//Return the greatest common divisor of bigInts x and y (each with same number of elements).
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   504
function GCD(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   505
	var xc,yc;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   506
	xc=dup(x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   507
	yc=dup(y);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   508
	GCD_(xc,yc);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   509
	return xc;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   510
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   511
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   512
//set x to the greatest common divisor of bigInts x and y (each with same number of elements).
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   513
//y is destroyed.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   514
function GCD_(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   515
	var i,xp,yp,A,B,C,D,q,sing;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   516
	if (T.length!=x.length)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   517
		T=dup(x);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   518
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   519
	sing=1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   520
	while (sing) { //while y has nonzero elements other than y[0]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   521
		sing=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   522
		for (i=1;i<y.length;i++) //check if y has nonzero elements other than 0
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   523
			if (y[i]) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   524
				sing=1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   525
				break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   526
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   527
		if (!sing) break; //quit when y all zero elements except possibly y[0]
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   528
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   529
		for (i=x.length;!x[i] && i>=0;i--);  //find most significant element of x
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   530
		xp=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   531
		yp=y[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   532
		A=1; B=0; C=0; D=1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   533
		while ((yp+C) && (yp+D)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   534
			q =Math.floor((xp+A)/(yp+C));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   535
			qp=Math.floor((xp+B)/(yp+D));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   536
			if (q!=qp)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   537
				break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   538
			t= A-q*C;   A=C;   C=t;    //  do (A,B,xp, C,D,yp) = (C,D,yp, A,B,xp) - q*(0,0,0, C,D,yp)      
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   539
			t= B-q*D;   B=D;   D=t;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   540
			t=xp-q*yp; xp=yp; yp=t;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   541
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   542
		if (B) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   543
			copy_(T,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   544
			linComb_(x,y,A,B); //x=A*x+B*y
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   545
			linComb_(y,T,D,C); //y=D*y+C*T
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   546
		} else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   547
			mod_(x,y);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   548
			copy_(T,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   549
			copy_(x,y);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   550
			copy_(y,T);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   551
		} 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   552
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   553
	if (y[0]==0)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   554
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   555
	t=modInt(x,y[0]);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   556
	copyInt_(x,y[0]);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   557
	y[0]=t;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   558
	while (y[0]) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   559
		x[0]%=y[0];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   560
		t=x[0]; x[0]=y[0]; y[0]=t;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   561
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   562
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   563
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   564
//do x=x**(-1) mod n, for bigInts x and n.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   565
//If no inverse exists, it sets x to zero and returns 0, else it returns 1.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   566
//The x array must be at least as large as the n array.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   567
function inverseMod_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   568
	var k=1+2*Math.max(x.length,n.length);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   569
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   570
	if(!(x[0]&1)  && !(n[0]&1)) {  //if both inputs are even, then inverse doesn't exist
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   571
		copyInt_(x,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   572
		return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   573
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   574
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   575
	if (eg_u.length!=k) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   576
		eg_u=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   577
		eg_v=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   578
		eg_A=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   579
		eg_B=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   580
		eg_C=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   581
		eg_D=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   582
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   583
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   584
	copy_(eg_u,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   585
	copy_(eg_v,n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   586
	copyInt_(eg_A,1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   587
	copyInt_(eg_B,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   588
	copyInt_(eg_C,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   589
	copyInt_(eg_D,1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   590
	for (;;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   591
		while(!(eg_u[0]&1)) {  //while eg_u is even
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   592
			halve_(eg_u);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   593
			if (!(eg_A[0]&1) && !(eg_B[0]&1)) { //if eg_A==eg_B==0 mod 2
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   594
				halve_(eg_A);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   595
				halve_(eg_B);      
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   596
			} else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   597
				add_(eg_A,n);  halve_(eg_A);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   598
				sub_(eg_B,x);  halve_(eg_B);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   599
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   600
		}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   601
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   602
		while (!(eg_v[0]&1)) {  //while eg_v is even
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   603
			halve_(eg_v);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   604
			if (!(eg_C[0]&1) && !(eg_D[0]&1)) { //if eg_C==eg_D==0 mod 2
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   605
				halve_(eg_C);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   606
				halve_(eg_D);      
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   607
			} else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   608
				add_(eg_C,n);  halve_(eg_C);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   609
				sub_(eg_D,x);  halve_(eg_D);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   610
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   611
		}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   612
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   613
		if (!greater(eg_v,eg_u)) { //eg_v <= eg_u
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   614
			sub_(eg_u,eg_v);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   615
			sub_(eg_A,eg_C);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   616
			sub_(eg_B,eg_D);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   617
		} else {                   //eg_v > eg_u
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   618
			sub_(eg_v,eg_u);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   619
			sub_(eg_C,eg_A);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   620
			sub_(eg_D,eg_B);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   621
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   622
	
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   623
		if (equalsInt(eg_u,0)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   624
			if (negative(eg_C)) //make sure answer is nonnegative
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   625
				add_(eg_C,n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   626
			copy_(x,eg_C);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   627
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   628
			if (!equalsInt(eg_v,1)) { //if GCD_(x,n)!=1, then there is no inverse
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   629
				copyInt_(x,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   630
				return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   631
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   632
			return 1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   633
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   634
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   635
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   636
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   637
//return x**(-1) mod n, for integers x and n.  Return 0 if there is no inverse
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   638
function inverseModInt(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   639
	var a=1,b=0,t;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   640
	for (;;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   641
		if (x==1) return a;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   642
		if (x==0) return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   643
		b-=a*Math.floor(n/x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   644
		n%=x;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   645
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   646
		if (n==1) return b; //to avoid negatives, change this b to n-b, and each -= to +=
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   647
		if (n==0) return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   648
		a-=b*Math.floor(x/n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   649
		x%=n;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   650
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   651
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   652
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   653
//this deprecated function is for backward compatibility only. 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   654
function inverseModInt_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   655
 	return inverseModInt(x,n);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   656
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   657
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   658
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   659
//Given positive bigInts x and y, change the bigints v, a, and b to positive bigInts such that:
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   660
//     v = GCD_(x,y) = a*x-b*y
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   661
//The bigInts v, a, b, must have exactly as many elements as the larger of x and y.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   662
function eGCD_(x,y,v,a,b) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   663
	var g=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   664
	var k=Math.max(x.length,y.length);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   665
	if (eg_u.length!=k) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   666
		eg_u=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   667
		eg_A=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   668
		eg_B=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   669
		eg_C=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   670
		eg_D=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   671
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   672
	while(!(x[0]&1)  && !(y[0]&1)) {  //while x and y both even
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   673
		halve_(x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   674
		halve_(y);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   675
		g++;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   676
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   677
	copy_(eg_u,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   678
	copy_(v,y);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   679
	copyInt_(eg_A,1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   680
	copyInt_(eg_B,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   681
	copyInt_(eg_C,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   682
	copyInt_(eg_D,1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   683
	for (;;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   684
		while(!(eg_u[0]&1)) {  //while u is even
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   685
			halve_(eg_u);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   686
			if (!(eg_A[0]&1) && !(eg_B[0]&1)) { //if A==B==0 mod 2
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   687
				halve_(eg_A);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   688
				halve_(eg_B);      
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   689
			} else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   690
				add_(eg_A,y);  halve_(eg_A);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   691
				sub_(eg_B,x);  halve_(eg_B);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   692
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   693
		}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   694
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   695
		while (!(v[0]&1)) {  //while v is even
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   696
			halve_(v);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   697
			if (!(eg_C[0]&1) && !(eg_D[0]&1)) { //if C==D==0 mod 2
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   698
				halve_(eg_C);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   699
				halve_(eg_D);      
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   700
			} else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   701
				add_(eg_C,y);  halve_(eg_C);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   702
				sub_(eg_D,x);  halve_(eg_D);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   703
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   704
		}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   705
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   706
		if (!greater(v,eg_u)) { //v<=u
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   707
			sub_(eg_u,v);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   708
			sub_(eg_A,eg_C);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   709
			sub_(eg_B,eg_D);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   710
		} else {                //v>u
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   711
			sub_(v,eg_u);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   712
			sub_(eg_C,eg_A);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   713
			sub_(eg_D,eg_B);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   714
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   715
		if (equalsInt(eg_u,0)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   716
			if (negative(eg_C)) {   //make sure a (C)is nonnegative
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   717
				add_(eg_C,y);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   718
				sub_(eg_D,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   719
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   720
			multInt_(eg_D,-1);  ///make sure b (D) is nonnegative
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   721
			copy_(a,eg_C);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   722
			copy_(b,eg_D);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   723
			leftShift_(v,g);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   724
			return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   725
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   726
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   727
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   728
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   729
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   730
//is bigInt x negative?
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   731
function negative(x) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   732
	return ((x[x.length-1]>>(bpe-1))&1);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   733
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   734
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   735
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   736
//is (x << (shift*bpe)) > y?
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   737
//x and y are nonnegative bigInts
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   738
//shift is a nonnegative integer
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   739
function greaterShift(x,y,shift) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   740
	var kx=x.length, ky=y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   741
	k=((kx+shift)<ky) ? (kx+shift) : ky;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   742
	for (i=ky-1-shift; i<kx && i>=0; i++) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   743
		if (x[i]>0)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   744
			return 1; //if there are nonzeros in x to the left of the first column of y, then x is bigger
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   745
	for (i=kx-1+shift; i<ky; i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   746
		if (y[i]>0)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   747
			return 0; //if there are nonzeros in y to the left of the first column of x, then x is not bigger
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   748
	for (i=k-1; i>=shift; i--)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   749
		if      (x[i-shift]>y[i]) return 1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   750
		else if (x[i-shift]<y[i]) return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   751
	return 0;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   752
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   753
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   754
//is x > y? (x and y both nonnegative)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   755
function greater(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   756
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   757
	var k=(x.length<y.length) ? x.length : y.length;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   758
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   759
	for (i=x.length;i<y.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   760
		if (y[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   761
			return 0;  //y has more digits
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   762
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   763
	for (i=y.length;i<x.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   764
		if (x[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   765
			return 1;  //x has more digits
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   766
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   767
	for (i=k-1;i>=0;i--)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   768
		if (x[i]>y[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   769
			return 1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   770
		else if (x[i]<y[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   771
			return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   772
	return 0;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   773
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   774
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   775
//divide x by y giving quotient q and remainder r.  (q=floor(x/y),  r=x mod y).  All 4 are bigints.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   776
//x must have at least one leading zero element.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   777
//y must be nonzero.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   778
//q and r must be arrays that are exactly the same length as x. (Or q can have more).
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   779
//Must have x.length >= y.length >= 2.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   780
function divide_(x,y,q,r) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   781
	var kx, ky;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   782
	var i,j,y1,y2,c,a,b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   783
	copy_(r,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   784
	for (ky=y.length;y[ky-1]==0;ky--); //ky is number of elements in y, not including leading zeros
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   785
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   786
	//normalize: ensure the most significant element of y has its highest bit set  
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   787
	b=y[ky-1];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   788
	for (a=0; b; a++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   789
		b>>=1;  
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   790
	a=bpe-a;  //a is how many bits to shift so that the high order bit of y is leftmost in its array element
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   791
	leftShift_(y,a);  //multiply both by 1<<a now, then divide both by that at the end
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   792
	leftShift_(r,a);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   793
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   794
	//Rob Visser discovered a bug: the following line was originally just before the normalization.
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   795
	for (kx=r.length;r[kx-1]==0 && kx>ky;kx--); //kx is number of elements in normalized x, not including leading zeros
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   796
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   797
	copyInt_(q,0);                      // q=0
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   798
	while (!greaterShift(y,r,kx-ky)) {  // while (leftShift_(y,kx-ky) <= r) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   799
		subShift_(r,y,kx-ky);             //   r=r-leftShift_(y,kx-ky)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   800
		q[kx-ky]++;                       //   q[kx-ky]++;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   801
	}                                   // }
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   802
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   803
	for (i=kx-1; i>=ky; i--) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   804
		if (r[i]==y[ky-1])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   805
			q[i-ky]=mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   806
		else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   807
			q[i-ky]=Math.floor((r[i]*radix+r[i-1])/y[ky-1]);	
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   808
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   809
		//The following for(;;) loop is equivalent to the commented while loop, 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   810
		//except that the uncommented version avoids overflow.
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   811
		//The commented loop comes from HAC, which assumes r[-1]==y[-1]==0
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   812
		//  while (q[i-ky]*(y[ky-1]*radix+y[ky-2]) > r[i]*radix*radix+r[i-1]*radix+r[i-2])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   813
		//    q[i-ky]--;    
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   814
		for (;;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   815
			y2=(ky>1 ? y[ky-2] : 0)*q[i-ky];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   816
			c=y2>>bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   817
			y2=y2 & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   818
			y1=c+q[i-ky]*y[ky-1];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   819
			c=y1>>bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   820
			y1=y1 & mask;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   821
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   822
			if (c==r[i] ? y1==r[i-1] ? y2>(i>1 ? r[i-2] : 0) : y1>r[i-1] : c>r[i]) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   823
				q[i-ky]--;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   824
			else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   825
				break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   826
		}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   827
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   828
		linCombShift_(r,y,-q[i-ky],i-ky);    //r=r-q[i-ky]*leftShift_(y,i-ky)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   829
		if (negative(r)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   830
			addShift_(r,y,i-ky);         //r=r+leftShift_(y,i-ky)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   831
			q[i-ky]--;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   832
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   833
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   834
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   835
	rightShift_(y,a);  //undo the normalization step
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   836
	rightShift_(r,a);  //undo the normalization step
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   837
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   838
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   839
//do carries and borrows so each element of the bigInt x fits in bpe bits.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   840
function carry_(x) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   841
	var i,k,c,b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   842
	k=x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   843
	c=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   844
	for (i=0;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   845
		c+=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   846
		b=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   847
		if (c<0) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   848
			b=-(c>>bpe);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   849
			c+=b*radix;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   850
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   851
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   852
		c=(c>>bpe)-b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   853
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   854
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   855
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   856
//return x mod n for bigInt x and integer n.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   857
function modInt(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   858
	var i,c=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   859
	for (i=x.length-1; i>=0; i--)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   860
		c=(c*radix+x[i])%n;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   861
	return c;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   862
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   863
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   864
//convert the integer t into a bigInt with at least the given number of bits.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   865
//the returned array stores the bigInt in bpe-bit chunks, little endian (buff[0] is least significant word)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   866
//Pad the array with leading zeros so that it has at least minSize elements.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   867
//There will always be at least one leading 0 element.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   868
function int2bigInt(t,bits,minSize) {   
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   869
	var i,k;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   870
	k=Math.ceil(bits/bpe)+1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   871
	k=minSize>k ? minSize : k;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   872
	buff=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   873
	copyInt_(buff,t);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   874
	return buff;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   875
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   876
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   877
//return the bigInt given a string representation in a given base.  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   878
//Pad the array with leading zeros so that it has at least minSize elements.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   879
//If base=-1, then it reads in a space-separated list of array elements in decimal.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   880
//The array will always have at least one leading zero, unless base=-1.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   881
function str2bigInt(s,base,minSize) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   882
	var d, i, j, x, y, kk;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   883
	var k=s.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   884
	if (base==-1) { //comma-separated list of array elements in decimal
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   885
		x=new Array(0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   886
		for (;;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   887
			y=new Array(x.length+1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   888
			for (i=0;i<x.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   889
				y[i+1]=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   890
			y[0]=parseInt(s,10);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   891
			x=y;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   892
			d=s.indexOf(',',0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   893
			if (d<1) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   894
				break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   895
			s=s.substring(d+1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   896
			if (s.length==0)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   897
				break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   898
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   899
		if (x.length<minSize) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   900
			y=new Array(minSize);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   901
			copy_(y,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   902
			return y;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   903
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   904
		return x;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   905
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   906
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   907
	x=int2bigInt(0,base*k,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   908
	for (i=0;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   909
		d=digitsStr.indexOf(s.substring(i,i+1),0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   910
		if (base<=36 && d>=36)  //convert lowercase to uppercase if base<=36
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   911
			d-=26;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   912
		if (d<base && d>=0) {   //ignore illegal characters
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   913
			multInt_(x,base);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   914
			addInt_(x,d);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   915
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   916
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   917
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   918
	for (k=x.length;k>0 && !x[k-1];k--); //strip off leading zeros
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   919
	k=minSize>k+1 ? minSize : k+1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   920
	y=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   921
	kk=k<x.length ? k : x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   922
	for (i=0;i<kk;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   923
		y[i]=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   924
	for (;i<k;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   925
		y[i]=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   926
	return y;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   927
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   928
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   929
//is bigint x equal to integer y?
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   930
//y must have less than bpe bits
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   931
function equalsInt(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   932
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   933
	if (x[0]!=y)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   934
		return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   935
	for (i=1;i<x.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   936
		if (x[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   937
			return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   938
	return 1;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   939
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   940
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   941
//are bigints x and y equal?
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   942
//this works even if x and y are different lengths and have arbitrarily many leading zeros
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   943
function equals(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   944
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   945
	var k=x.length<y.length ? x.length : y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   946
	for (i=0;i<k;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   947
		if (x[i]!=y[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   948
			return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   949
	if (x.length>y.length) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   950
		for (;i<x.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   951
			if (x[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   952
				return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   953
	} else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   954
		for (;i<y.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   955
			if (y[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   956
				return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   957
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   958
	return 1;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   959
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   960
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   961
//is the bigInt x equal to zero?
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   962
function isZero(x) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   963
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   964
	for (i=0;i<x.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   965
		if (x[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   966
			return 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   967
	return 1;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   968
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   969
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   970
//convert a bigInt into a string in a given base, from base 2 up to base 95.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   971
//Base -1 prints the contents of the array representing the number.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   972
function bigInt2str(x,base) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   973
	var i,t,s="";
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   974
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   975
	if (s6.length!=x.length) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   976
		s6=dup(x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   977
	else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   978
		copy_(s6,x);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   979
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   980
	if (base==-1) { //return the list of array contents
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   981
		for (i=x.length-1;i>0;i--)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   982
			s+=x[i]+',';
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   983
		s+=x[0];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   984
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   985
	else { //return it in the given base
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   986
		while (!isZero(s6)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   987
			t=divInt_(s6,base);  //t=s6 % base; s6=floor(s6/base);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   988
			s=digitsStr.substring(t,t+1)+s;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   989
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   990
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   991
	if (s.length==0)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   992
		s="0";
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   993
	return s;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   994
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   995
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   996
//returns a duplicate of bigInt x
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
   997
function dup(x) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   998
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
   999
	buff=new Array(x.length);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1000
	copy_(buff,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1001
	return buff;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1002
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1003
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1004
//do x=y on bigInts x and y.  x must be an array at least as big as y (not counting the leading zeros in y).
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1005
function copy_(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1006
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1007
	var k=x.length<y.length ? x.length : y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1008
	for (i=0;i<k;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1009
		x[i]=y[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1010
	for (i=k;i<x.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1011
		x[i]=0;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1012
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1013
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1014
//do x=y on bigInt x and integer y.  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1015
function copyInt_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1016
	var i,c;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1017
	for (c=n,i=0;i<x.length;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1018
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1019
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1020
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1021
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1022
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1023
//do x=x+n where x is a bigInt and n is an integer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1024
//x must be large enough to hold the result.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1025
function addInt_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1026
	var i,k,c,b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1027
	x[0]+=n;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1028
	k=x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1029
	c=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1030
	for (i=0;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1031
		c+=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1032
		b=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1033
		if (c<0) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1034
			b=-(c>>bpe);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1035
			c+=b*radix;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1036
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1037
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1038
		c=(c>>bpe)-b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1039
		if (!c) return; //stop carrying as soon as the carry_ is zero
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1040
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1041
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1042
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1043
//right shift bigInt x by n bits.  0 <= n < bpe.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1044
function rightShift_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1045
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1046
	var k=Math.floor(n/bpe);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1047
	if (k) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1048
		for (i=0;i<x.length-k;i++) //right shift x by k elements
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1049
			x[i]=x[i+k];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1050
		for (;i<x.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1051
			x[i]=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1052
		n%=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1053
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1054
	for (i=0;i<x.length-1;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1055
		x[i]=mask & ((x[i+1]<<(bpe-n)) | (x[i]>>n));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1056
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1057
	x[i]>>=n;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1058
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1059
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1060
//do x=floor(|x|/2)*sgn(x) for bigInt x in 2's complement
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1061
function halve_(x) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1062
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1063
	for (i=0;i<x.length-1;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1064
		x[i]=mask & ((x[i+1]<<(bpe-1)) | (x[i]>>1));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1065
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1066
	x[i]=(x[i]>>1) | (x[i] & (radix>>1));  //most significant bit stays the same
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1067
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1068
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1069
//left shift bigInt x by n bits.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1070
function leftShift_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1071
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1072
	var k=Math.floor(n/bpe);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1073
	if (k) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1074
		for (i=x.length; i>=k; i--) //left shift x by k elements
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1075
			x[i]=x[i-k];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1076
		for (;i>=0;i--)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1077
			x[i]=0;  
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1078
		n%=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1079
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1080
	if (!n)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1081
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1082
	for (i=x.length-1;i>0;i--) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1083
		x[i]=mask & ((x[i]<<n) | (x[i-1]>>(bpe-n)));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1084
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1085
	x[i]=mask & (x[i]<<n);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1086
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1087
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1088
//do x=x*n where x is a bigInt and n is an integer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1089
//x must be large enough to hold the result.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1090
function multInt_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1091
	var i,k,c,b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1092
	if (!n)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1093
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1094
	k=x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1095
	c=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1096
	for (i=0;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1097
		c+=x[i]*n;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1098
		b=0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1099
		if (c<0) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1100
			b=-(c>>bpe);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1101
			c+=b*radix;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1102
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1103
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1104
		c=(c>>bpe)-b;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1105
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1106
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1107
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1108
//do x=floor(x/n) for bigInt x and integer n, and return the remainder
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1109
function divInt_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1110
	var i,r=0,s;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1111
	for (i=x.length-1;i>=0;i--) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1112
		s=r*radix+x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1113
		x[i]=Math.floor(s/n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1114
		r=s%n;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1115
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1116
	return r;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1117
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1118
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1119
//do the linear combination x=a*x+b*y for bigInts x and y, and integers a and b.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1120
//x must be large enough to hold the answer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1121
function linComb_(x,y,a,b) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1122
	var i,c,k,kk;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1123
	k=x.length<y.length ? x.length : y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1124
	kk=x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1125
	for (c=0,i=0;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1126
		c+=a*x[i]+b*y[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1127
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1128
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1129
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1130
	for (i=k;i<kk;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1131
		c+=a*x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1132
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1133
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1134
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1135
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1136
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1137
//do the linear combination x=a*x+b*(y<<(ys*bpe)) for bigInts x and y, and integers a, b and ys.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1138
//x must be large enough to hold the answer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1139
function linCombShift_(x,y,b,ys) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1140
	var i,c,k,kk;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1141
	k=x.length<ys+y.length ? x.length : ys+y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1142
	kk=x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1143
	for (c=0,i=ys;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1144
		c+=x[i]+b*y[i-ys];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1145
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1146
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1147
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1148
	for (i=k;c && i<kk;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1149
		c+=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1150
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1151
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1152
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1153
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1154
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1155
//do x=x+(y<<(ys*bpe)) for bigInts x and y, and integers a,b and ys.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1156
//x must be large enough to hold the answer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1157
function addShift_(x,y,ys) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1158
	var i,c,k,kk;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1159
	k=x.length<ys+y.length ? x.length : ys+y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1160
	kk=x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1161
	for (c=0,i=ys;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1162
		c+=x[i]+y[i-ys];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1163
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1164
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1165
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1166
	for (i=k;c && i<kk;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1167
		c+=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1168
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1169
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1170
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1171
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1172
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1173
//do x=x-(y<<(ys*bpe)) for bigInts x and y, and integers a,b and ys.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1174
//x must be large enough to hold the answer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1175
function subShift_(x,y,ys) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1176
	var i,c,k,kk;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1177
	k=x.length<ys+y.length ? x.length : ys+y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1178
	kk=x.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1179
	for (c=0,i=ys;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1180
		c+=x[i]-y[i-ys];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1181
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1182
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1183
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1184
	for (i=k;c && i<kk;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1185
		c+=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1186
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1187
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1188
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1189
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1190
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1191
//do x=x-y for bigInts x and y.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1192
//x must be large enough to hold the answer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1193
//negative answers will be 2s complement
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1194
function sub_(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1195
	var i,c,k,kk;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1196
	k=x.length<y.length ? x.length : y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1197
	for (c=0,i=0;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1198
		c+=x[i]-y[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1199
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1200
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1201
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1202
	for (i=k;c && i<x.length;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1203
		c+=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1204
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1205
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1206
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1207
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1208
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1209
//do x=x+y for bigInts x and y.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1210
//x must be large enough to hold the answer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1211
function add_(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1212
	var i,c,k,kk;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1213
	k=x.length<y.length ? x.length : y.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1214
	for (c=0,i=0;i<k;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1215
		c+=x[i]+y[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1216
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1217
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1218
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1219
	for (i=k;c && i<x.length;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1220
		c+=x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1221
		x[i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1222
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1223
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1224
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1225
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1226
//do x=x*y for bigInts x and y.  This is faster when y<x.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1227
function mult_(x,y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1228
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1229
	if (ss.length!=2*x.length)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1230
		ss=new Array(2*x.length);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1231
	copyInt_(ss,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1232
	for (i=0;i<y.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1233
		if (y[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1234
			linCombShift_(ss,x,y[i],i);   //ss=1*ss+y[i]*(x<<(i*bpe))
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1235
	copy_(x,ss);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1236
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1237
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1238
//do x=x mod n for bigInts x and n.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1239
function mod_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1240
	if (s4.length!=x.length)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1241
		s4=dup(x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1242
	else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1243
		copy_(s4,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1244
	if (s5.length!=x.length)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1245
		s5=dup(x);  
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1246
	divide_(s4,n,s5,x);  //x = remainder of s4 / n
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1247
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1248
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1249
//do x=x*y mod n for bigInts x,y,n.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1250
//for greater speed, let y<x.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1251
function multMod_(x,y,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1252
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1253
	if (s0.length!=2*x.length)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1254
		s0=new Array(2*x.length);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1255
	copyInt_(s0,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1256
	for (i=0;i<y.length;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1257
		if (y[i])
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1258
			linCombShift_(s0,x,y[i],i);   //s0=1*s0+y[i]*(x<<(i*bpe))
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1259
	mod_(s0,n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1260
	copy_(x,s0);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1261
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1262
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1263
//do x=x*x mod n for bigInts x,n.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1264
function squareMod_(x,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1265
	var i,j,d,c,kx,kn,k;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1266
	for (kx=x.length; kx>0 && !x[kx-1]; kx--);  //ignore leading zeros in x
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1267
	k=kx>n.length ? 2*kx : 2*n.length; //k=# elements in the product, which is twice the elements in the larger of x and n
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1268
	if (s0.length!=k) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1269
		s0=new Array(k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1270
	copyInt_(s0,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1271
	for (i=0;i<kx;i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1272
		c=s0[2*i]+x[i]*x[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1273
		s0[2*i]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1274
		c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1275
		for (j=i+1;j<kx;j++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1276
			c=s0[i+j]+2*x[i]*x[j]+c;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1277
			s0[i+j]=(c & mask);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1278
			c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1279
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1280
		s0[i+kx]=c;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1281
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1282
	mod_(s0,n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1283
	copy_(x,s0);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1284
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1285
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1286
//return x with exactly k leading zero elements
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1287
function bigint_trim(x,k) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1288
	var i,y;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1289
	for (i=x.length; i>0 && !x[i-1]; i--);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1290
	y=new Array(i+k);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1291
	copy_(y,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1292
	return y;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1293
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1294
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1295
//do x=x**y mod n, where x,y,n are bigInts and ** is exponentiation.  0**0=1.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1296
//this is faster when n is odd.  x usually needs to have as many elements as n.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1297
function powMod_(x,y,n) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1298
	var k1,k2,kn,np;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1299
	if(s7.length!=n.length)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1300
		s7=dup(n);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1301
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1302
	//for even modulus, use a simple square-and-multiply algorithm,
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1303
	//rather than using the more complex Montgomery algorithm.
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1304
	if ((n[0]&1)==0) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1305
		copy_(s7,x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1306
		copyInt_(x,1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1307
		while(!equalsInt(y,0)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1308
			if (y[0]&1)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1309
				multMod_(x,s7,n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1310
			divInt_(y,2);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1311
			squareMod_(s7,n); 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1312
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1313
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1314
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1315
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1316
	//calculate np from n for the Montgomery multiplications
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1317
	copyInt_(s7,0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1318
	for (kn=n.length;kn>0 && !n[kn-1];kn--);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1319
	np=radix-inverseModInt(modInt(n,radix),radix);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1320
	s7[kn]=1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1321
	multMod_(x ,s7,n);   // x = x * 2**(kn*bp) mod n
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1322
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1323
	if (s3.length!=x.length)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1324
		s3=dup(x);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1325
	else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1326
		copy_(s3,x);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1327
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1328
	for (k1=y.length-1;k1>0 & !y[k1]; k1--);  //k1=first nonzero element of y
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1329
	if (y[k1]==0) {  //anything to the 0th power is 1
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1330
		copyInt_(x,1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1331
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1332
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1333
	for (k2=1<<(bpe-1);k2 && !(y[k1] & k2); k2>>=1);  //k2=position of first 1 bit in y[k1]
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1334
	for (;;) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1335
		if (!(k2>>=1)) {  //look at next bit of y
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1336
			k1--;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1337
			if (k1<0) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1338
				mont_(x,one,n,np);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1339
				return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1340
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1341
			k2=1<<(bpe-1);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1342
		}    
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1343
		mont_(x,x,n,np);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1344
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1345
		if (k2 & y[k1]) //if next bit is a 1
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1346
			mont_(x,s3,n,np);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1347
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1348
}    
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1349
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1350
//do x=x*y*Ri mod n for bigInts x,y,n, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1351
//  where Ri = 2**(-kn*bpe) mod n, and kn is the 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1352
//  number of elements in the n array, not 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1353
//  counting leading zeros.  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1354
//x must be large enough to hold the answer.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1355
//It's OK if x and y are the same variable.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1356
//must have:
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1357
//  x,y < n
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1358
//  n is odd
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1359
//  np = -(n^(-1)) mod radix
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1360
function mont_(x,y,n,np) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1361
	var i,j,c,ui,t;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1362
	var kn=n.length;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1363
	var ky=y.length;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1364
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1365
	if (sa.length!=kn)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1366
		sa=new Array(kn);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1367
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1368
	for (;kn>0 && n[kn-1]==0;kn--); //ignore leading zeros of n
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1369
	//this function sometimes gives wrong answers when the next line is uncommented
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1370
	//for (;ky>0 && y[ky-1]==0;ky--); //ignore leading zeros of y
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1371
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1372
	copyInt_(sa,0);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1373
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1374
	//the following loop consumes 95% of the runtime for randTruePrime_() and powMod_() for large keys
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1375
	for (i=0; i<kn; i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1376
		t=sa[0]+x[i]*y[0];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1377
		ui=((t & mask) * np) & mask;  //the inner "& mask" is needed on Macintosh MSIE, but not windows MSIE
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1378
		c=(t+ui*n[0]) >> bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1379
		t=x[i];
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1380
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1381
		//do sa=(sa+x[i]*y+ui*n)/b   where b=2**bpe
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1382
		for (j=1;j<ky;j++) { 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1383
			c+=sa[j]+t*y[j]+ui*n[j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1384
			sa[j-1]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1385
			c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1386
		}    
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1387
		for (;j<kn;j++) { 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1388
			c+=sa[j]+ui*n[j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1389
			sa[j-1]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1390
			c>>=bpe;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1391
		}    
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1392
		sa[j-1]=c & mask;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1393
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1394
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1395
	if (!greater(n,sa))
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1396
		sub_(sa,n);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1397
	copy_(x,sa);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1398
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1399
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1400
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1401
/* rijndael.js      Rijndael Reference Implementation
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1402
 	Copyright (c) 2001 Fritz Schneider
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1403
 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1404
 This software is provided as-is, without express or implied warranty.  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1405
 Permission to use, copy, modify, distribute or sell this software, with or
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1406
 without fee, for any purpose and by any individual or organization, is hereby
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1407
 granted, provided that the above copyright notice and this paragraph appear 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1408
 in all copies. Distribution as a part of an application or binary must
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1409
 include the above copyright notice in the documentation and/or other materials
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1410
 provided with the application or distribution.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1411
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1412
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1413
 	As the above disclaimer notes, you are free to use this code however you
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1414
 	want. However, I would request that you send me an email 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1415
 	(fritz /at/ cs /dot/ ucsd /dot/ edu) to say hi if you find this code useful
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1416
 	or instructional. Seeing that people are using the code acts as 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1417
 	encouragement for me to continue development. If you *really* want to thank
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1418
 	me you can buy the book I wrote with Thomas Powell, _JavaScript:
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1419
 	_The_Complete_Reference_ :)
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1420
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1421
 	This code is an UNOPTIMIZED REFERENCE implementation of Rijndael. 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1422
 	If there is sufficient interest I can write an optimized (word-based, 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1423
 	table-driven) version, although you might want to consider using a 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1424
 	compiled language if speed is critical to your application. As it stands,
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1425
 	one run of the monte carlo test (10,000 encryptions) can take up to 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1426
 	several minutes, depending upon your processor. You shouldn't expect more
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1427
 	than a few kilobytes per second in throughput.
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1428
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1429
 	Also note that there is very little error checking in these functions. 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1430
 	Doing proper error checking is always a good idea, but the ideal 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1431
 	implementation (using the instanceof operator and exceptions) requires
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1432
 	IE5+/NS6+, and I've chosen to implement this code so that it is compatible
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1433
 	with IE4/NS4. 
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1434
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1435
 	And finally, because JavaScript doesn't have an explicit byte/char data 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1436
 	type (although JavaScript 2.0 most likely will), when I refer to "byte" 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1437
 	in this code I generally mean "32 bit integer with value in the interval 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1438
 	[0,255]" which I treat as a byte.
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1439
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1440
 	See http://www-cse.ucsd.edu/~fritz/rijndael.html for more documentation
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1441
 	of the (very simple) API provided by this code.
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1442
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1443
 																							Fritz Schneider
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1444
 																							fritz at cs.ucsd.edu
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1445
 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1446
*/
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1447
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1448
// Rijndael parameters --  Valid values are 128, 192, or 256
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1449
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1450
var keySizeInBits =   ( typeof AES_BITS == 'number' ) ? AES_BITS : 128;
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1451
var blockSizeInBits = ( typeof AES_BLOCKSIZE == 'number' ) ? AES_BLOCKSIZE : 128;
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1452
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1453
///////  You shouldn't have to modify anything below this line except for
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1454
///////  the function getRandomBytes().
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1455
//
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1456
// Note: in the following code the two dimensional arrays are indexed as
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1457
//       you would probably expect, as array[row][column]. The state arrays
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1458
//       are 2d arrays of the form state[4][Nb].
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1459
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1460
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1461
// The number of rounds for the cipher, indexed by [Nk][Nb]
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1462
var roundsArray = [ ,,,,[,,,,10,, 12,, 14],, 
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1463
												[,,,,12,, 12,, 14],, 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1464
												[,,,,14,, 14,, 14] ];
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1465
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1466
// The number of bytes to shift by in shiftRow, indexed by [Nb][row]
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1467
var shiftOffsets = [ ,,,,[,1, 2, 3],,[,1, 2, 3],,[,1, 3, 4] ];
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1468
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1469
// The round constants used in subkey expansion
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1470
var Rcon = [ 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1471
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1472
0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1473
0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1474
0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1475
0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 ];
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1476
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1477
// Precomputed lookup table for the SBox
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1478
var SBox = [
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1479
 99, 124, 119, 123, 242, 107, 111, 197,  48,   1, 103,  43, 254, 215, 171, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1480
118, 202, 130, 201, 125, 250,  89,  71, 240, 173, 212, 162, 175, 156, 164, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1481
114, 192, 183, 253, 147,  38,  54,  63, 247, 204,  52, 165, 229, 241, 113, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1482
216,  49,  21,   4, 199,  35, 195,  24, 150,   5, 154,   7,  18, 128, 226, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1483
235,  39, 178, 117,   9, 131,  44,  26,  27, 110,  90, 160,  82,  59, 214, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1484
179,  41, 227,  47, 132,  83, 209,   0, 237,  32, 252, 177,  91, 106, 203, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1485
190,  57,  74,  76,  88, 207, 208, 239, 170, 251,  67,  77,  51, 133,  69, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1486
249,   2, 127,  80,  60, 159, 168,  81, 163,  64, 143, 146, 157,  56, 245, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1487
188, 182, 218,  33,  16, 255, 243, 210, 205,  12,  19, 236,  95, 151,  68,  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1488
23,  196, 167, 126,  61, 100,  93,  25, 115,  96, 129,  79, 220,  34,  42, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1489
144, 136,  70, 238, 184,  20, 222,  94,  11, 219, 224,  50,  58,  10,  73,
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1490
	6,  36,  92, 194, 211, 172,  98, 145, 149, 228, 121, 231, 200,  55, 109, 
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1491
141, 213,  78, 169, 108,  86, 244, 234, 101, 122, 174,   8, 186, 120,  37,  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1492
 46,  28, 166, 180, 198, 232, 221, 116,  31,  75, 189, 139, 138, 112,  62, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1493
181, 102,  72,   3, 246,  14,  97,  53,  87, 185, 134, 193,  29, 158, 225,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1494
248, 152,  17, 105, 217, 142, 148, 155,  30, 135, 233, 206,  85,  40, 223,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1495
140, 161, 137,  13, 191, 230,  66, 104,  65, 153,  45,  15, 176,  84, 187,  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1496
 22 ];
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1497
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1498
// Precomputed lookup table for the inverse SBox
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1499
var SBoxInverse = [
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1500
 82,   9, 106, 213,  48,  54, 165,  56, 191,  64, 163, 158, 129, 243, 215, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1501
251, 124, 227,  57, 130, 155,  47, 255, 135,  52, 142,  67,  68, 196, 222, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1502
233, 203,  84, 123, 148,  50, 166, 194,  35,  61, 238,  76, 149,  11,  66, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1503
250, 195,  78,   8,  46, 161, 102,  40, 217,  36, 178, 118,  91, 162,  73, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1504
109, 139, 209,  37, 114, 248, 246, 100, 134, 104, 152,  22, 212, 164,  92, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1505
204,  93, 101, 182, 146, 108, 112,  72,  80, 253, 237, 185, 218,  94,  21,  
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1506
 70,  87, 167, 141, 157, 132, 144, 216, 171,   0, 140, 188, 211,  10, 247, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1507
228,  88,   5, 184, 179,  69,   6, 208,  44,  30, 143, 202,  63,  15,   2, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1508
193, 175, 189,   3,   1,  19, 138, 107,  58, 145,  17,  65,  79, 103, 220, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1509
234, 151, 242, 207, 206, 240, 180, 230, 115, 150, 172, 116,  34, 231, 173,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1510
 53, 133, 226, 249,  55, 232,  28, 117, 223, 110,  71, 241,  26, 113,  29, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1511
 41, 197, 137, 111, 183,  98,  14, 170,  24, 190,  27, 252,  86,  62,  75, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1512
198, 210, 121,  32, 154, 219, 192, 254, 120, 205,  90, 244,  31, 221, 168,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1513
 51, 136,   7, 199,  49, 177,  18,  16,  89,  39, 128, 236,  95,  96,  81,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1514
127, 169,  25, 181,  74,  13,  45, 229, 122, 159, 147, 201, 156, 239, 160,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1515
224,  59,  77, 174,  42, 245, 176, 200, 235, 187,  60, 131,  83, 153,  97, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1516
 23,  43,   4, 126, 186, 119, 214,  38, 225, 105,  20,  99,  85,  33,  12,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1517
125 ];
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1518
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1519
function str_split(string, chunklen)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1520
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1521
	if(!chunklen) chunklen = 1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1522
	ret = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1523
	for ( i = 0; i < string.length; i+=chunklen )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1524
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1525
		ret[ret.length] = string.slice(i, i+chunklen);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1526
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1527
	return ret;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1528
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1529
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1530
// This method circularly shifts the array left by the number of elements
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1531
// given in its parameter. It returns the resulting array and is used for 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1532
// the ShiftRow step. Note that shift() and push() could be used for a more 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1533
// elegant solution, but they require IE5.5+, so I chose to do it manually. 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1534
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1535
function cyclicShiftLeft(theArray, positions) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1536
	var temp = theArray.slice(0, positions);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1537
	theArray = theArray.slice(positions).concat(temp);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1538
	return theArray;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1539
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1540
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1541
// Cipher parameters ... do not change these
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1542
var Nk = keySizeInBits / 32;                   
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1543
var Nb = blockSizeInBits / 32;
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1544
var Nr = roundsArray[Nk][Nb];
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1545
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1546
// Multiplies the element "poly" of GF(2^8) by x. See the Rijndael spec.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1547
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1548
function xtime(poly) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1549
	poly <<= 1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1550
	return ((poly & 0x100) ? (poly ^ 0x11B) : (poly));
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1551
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1552
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1553
// Multiplies the two elements of GF(2^8) together and returns the result.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1554
// See the Rijndael spec, but should be straightforward: for each power of
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1555
// the indeterminant that has a 1 coefficient in x, add y times that power
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1556
// to the result. x and y should be bytes representing elements of GF(2^8)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1557
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1558
function mult_GF256(x, y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1559
	var bit, result = 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1560
	
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1561
	for (bit = 1; bit < 256; bit *= 2, y = xtime(y)) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1562
		if (x & bit) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1563
			result ^= y;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1564
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1565
	return result;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1566
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1567
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1568
// Performs the substitution step of the cipher. State is the 2d array of
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1569
// state information (see spec) and direction is string indicating whether
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1570
// we are performing the forward substitution ("encrypt") or inverse 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1571
// substitution (anything else)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1572
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1573
function byteSub(state, direction) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1574
	var S;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1575
	if (direction == "encrypt")           // Point S to the SBox we're using
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1576
		S = SBox;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1577
	else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1578
		S = SBoxInverse;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1579
	for (var i = 0; i < 4; i++)           // Substitute for every byte in state
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1580
		for (var j = 0; j < Nb; j++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1581
 			state[i][j] = S[state[i][j]];
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1582
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1583
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1584
// Performs the row shifting step of the cipher.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1585
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1586
function shiftRow(state, direction) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1587
	for (var i=1; i<4; i++)               // Row 0 never shifts
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1588
		if (direction == "encrypt")
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1589
 			state[i] = cyclicShiftLeft(state[i], shiftOffsets[Nb][i]);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1590
		else
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1591
 			state[i] = cyclicShiftLeft(state[i], Nb - shiftOffsets[Nb][i]);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1592
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1593
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1594
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1595
// Performs the column mixing step of the cipher. Most of these steps can
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1596
// be combined into table lookups on 32bit values (at least for encryption)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1597
// to greatly increase the speed. 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1598
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1599
function mixColumn(state, direction) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1600
	var b = [];                            // Result of matrix multiplications
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1601
	for (var j = 0; j < Nb; j++) {         // Go through each column...
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1602
		for (var i = 0; i < 4; i++) {        // and for each row in the column...
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1603
			if (direction == "encrypt")
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1604
				b[i] = mult_GF256(state[i][j], 2) ^          // perform mixing
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1605
 							mult_GF256(state[(i+1)%4][j], 3) ^ 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1606
 							state[(i+2)%4][j] ^ 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1607
 							state[(i+3)%4][j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1608
			else 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1609
				b[i] = mult_GF256(state[i][j], 0xE) ^ 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1610
 							mult_GF256(state[(i+1)%4][j], 0xB) ^
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1611
 							mult_GF256(state[(i+2)%4][j], 0xD) ^
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1612
 							mult_GF256(state[(i+3)%4][j], 9);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1613
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1614
		for (var i = 0; i < 4; i++)          // Place result back into column
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1615
			state[i][j] = b[i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1616
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1617
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1618
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1619
// Adds the current round key to the state information. Straightforward.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1620
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1621
function addRoundKey(state, roundKey) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1622
	for (var j = 0; j < Nb; j++) {                 // Step through columns...
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1623
		state[0][j] ^= (roundKey[j] & 0xFF);         // and XOR
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1624
		state[1][j] ^= ((roundKey[j]>>8) & 0xFF);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1625
		state[2][j] ^= ((roundKey[j]>>16) & 0xFF);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1626
		state[3][j] ^= ((roundKey[j]>>24) & 0xFF);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1627
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1628
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1629
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1630
// This function creates the expanded key from the input (128/192/256-bit)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1631
// key. The parameter key is an array of bytes holding the value of the key.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1632
// The returned value is an array whose elements are the 32-bit words that 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1633
// make up the expanded key.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1634
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1635
function keyExpansion(key) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1636
	var expandedKey = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1637
	var temp;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1638
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1639
	// in case the key size or parameters were changed...
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1640
	Nk = keySizeInBits / 32;                   
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1641
	Nb = blockSizeInBits / 32;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1642
	Nr = roundsArray[Nk][Nb];
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1643
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1644
	for (var j=0; j < Nk; j++)     // Fill in input key first
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1645
		expandedKey[j] = 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1646
			(key[4*j]) | (key[4*j+1]<<8) | (key[4*j+2]<<16) | (key[4*j+3]<<24);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1647
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1648
	// Now walk down the rest of the array filling in expanded key bytes as
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1649
	// per Rijndael's spec
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1650
	for (j = Nk; j < Nb * (Nr + 1); j++) {    // For each word of expanded key
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1651
		temp = expandedKey[j - 1];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1652
		if (j % Nk == 0) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1653
			temp = ( (SBox[(temp>>8) & 0xFF]) |
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1654
 							(SBox[(temp>>16) & 0xFF]<<8) |
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1655
 							(SBox[(temp>>24) & 0xFF]<<16) |
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1656
 							(SBox[temp & 0xFF]<<24) ) ^ Rcon[Math.floor(j / Nk) - 1];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1657
		else if (Nk > 6 && j % Nk == 4)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1658
			temp = (SBox[(temp>>24) & 0xFF]<<24) |
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1659
 						(SBox[(temp>>16) & 0xFF]<<16) |
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1660
 						(SBox[(temp>>8) & 0xFF]<<8) |
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1661
 						(SBox[temp & 0xFF]);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1662
		expandedKey[j] = expandedKey[j-Nk] ^ temp;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1663
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1664
	return expandedKey;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1665
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1666
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1667
// Rijndael's round functions... 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1668
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1669
function Round(state, roundKey) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1670
	byteSub(state, "encrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1671
	shiftRow(state, "encrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1672
	mixColumn(state, "encrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1673
	addRoundKey(state, roundKey);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1674
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1675
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1676
function InverseRound(state, roundKey) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1677
	addRoundKey(state, roundKey);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1678
	mixColumn(state, "decrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1679
	shiftRow(state, "decrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1680
	byteSub(state, "decrypt");
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1681
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1682
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1683
function FinalRound(state, roundKey) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1684
	byteSub(state, "encrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1685
	shiftRow(state, "encrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1686
	addRoundKey(state, roundKey);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1687
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1688
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1689
function InverseFinalRound(state, roundKey){
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1690
	addRoundKey(state, roundKey);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1691
	shiftRow(state, "decrypt");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1692
	byteSub(state, "decrypt");  
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1693
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1694
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1695
// encrypt is the basic encryption function. It takes parameters
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1696
// block, an array of bytes representing a plaintext block, and expandedKey,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1697
// an array of words representing the expanded key previously returned by
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1698
// keyExpansion(). The ciphertext block is returned as an array of bytes.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1699
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1700
function encrypt(block, expandedKey) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1701
	var i;  
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1702
	if (!block || block.length*8 != blockSizeInBits)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1703
 		return; 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1704
	if (!expandedKey)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1705
 		return;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1706
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1707
	block = packBytes(block);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1708
	addRoundKey(block, expandedKey);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1709
	for (i=1; i<Nr; i++) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1710
		Round(block, expandedKey.slice(Nb*i, Nb*(i+1)));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1711
	FinalRound(block, expandedKey.slice(Nb*Nr)); 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1712
	return unpackBytes(block);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1713
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1714
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1715
// decrypt is the basic decryption function. It takes parameters
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1716
// block, an array of bytes representing a ciphertext block, and expandedKey,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1717
// an array of words representing the expanded key previously returned by
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1718
// keyExpansion(). The decrypted block is returned as an array of bytes.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1719
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1720
function decrypt(block, expandedKey) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1721
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1722
	if (!block || block.length*8 != blockSizeInBits)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1723
 		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1724
	if (!expandedKey)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1725
 		return;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1726
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1727
	block = packBytes(block);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1728
	InverseFinalRound(block, expandedKey.slice(Nb*Nr)); 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1729
	for (i = Nr - 1; i>0; i--) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1730
		InverseRound(block, expandedKey.slice(Nb*i, Nb*(i+1)));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1731
	addRoundKey(block, expandedKey);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1732
	return unpackBytes(block);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1733
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1734
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1735
// This function packs an array of bytes into the four row form defined by
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1736
// Rijndael. It assumes the length of the array of bytes is divisible by
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1737
// four. Bytes are filled in according to the Rijndael spec (starting with
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1738
// column 0, row 0 to 3). This function returns a 2d array.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1739
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1740
function packBytes(octets) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1741
	var state = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1742
	if (!octets || octets.length % 4)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1743
		return;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1744
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1745
	state[0] = new Array();  state[1] = new Array(); 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1746
	state[2] = new Array();  state[3] = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1747
	for (var j=0; j<octets.length; j+= 4) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1748
 		state[0][j/4] = octets[j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1749
 		state[1][j/4] = octets[j+1];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1750
 		state[2][j/4] = octets[j+2];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1751
 		state[3][j/4] = octets[j+3];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1752
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1753
	return state;  
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1754
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1755
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1756
// This function unpacks an array of bytes from the four row format preferred
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1757
// by Rijndael into a single 1d array of bytes. It assumes the input "packed"
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1758
// is a packed array. Bytes are filled in according to the Rijndael spec. 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1759
// This function returns a 1d array of bytes.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1760
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1761
function unpackBytes(packed) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1762
	var result = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1763
	for (var j=0; j<packed[0].length; j++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1764
		result[result.length] = packed[0][j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1765
		result[result.length] = packed[1][j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1766
		result[result.length] = packed[2][j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1767
		result[result.length] = packed[3][j];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1768
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1769
	return result;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1770
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1771
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1772
// This function takes a prospective plaintext (string or array of bytes)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1773
// and pads it with zero bytes if its length is not a multiple of the block 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1774
// size. If plaintext is a string, it is converted to an array of bytes
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1775
// in the process. The type checking can be made much nicer using the 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1776
// instanceof operator, but this operator is not available until IE5.0 so I 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1777
// chose to use the heuristic below. 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1778
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1779
function formatPlaintext(plaintext) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1780
	var bpb = blockSizeInBits / 8;               // bytes per block
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1781
	var i;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1782
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1783
	// if primitive string or String instance
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1784
	if (typeof plaintext == "string" || plaintext.split) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1785
		// alert('AUUGH you idiot it\'s NOT A STRING ITS A '+typeof(plaintext)+'!!!');
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1786
		// return false;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1787
		plaintext = plaintext.split("");
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1788
		// Unicode issues here (ignoring high byte)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1789
		for (i=0; i<plaintext.length; i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1790
			plaintext[i] = plaintext[i].charCodeAt(0) & 0xFF;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1791
	} 
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1792
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1793
	for (i = bpb - (plaintext.length % bpb); i > 0 && i < bpb; i--) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1794
		plaintext[plaintext.length] = 0;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1795
	
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1796
	return plaintext;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1797
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1798
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1799
// Returns an array containing "howMany" random bytes. YOU SHOULD CHANGE THIS
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1800
// TO RETURN HIGHER QUALITY RANDOM BYTES IF YOU ARE USING THIS FOR A "REAL"
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1801
// APPLICATION.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1802
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1803
function getRandomBytes(howMany) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1804
	var i;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1805
	var bytes = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1806
	for (i=0; i<howMany; i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1807
		bytes[i] = Math.round(Math.random()*255);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1808
	return bytes;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1809
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1810
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1811
// rijndaelEncrypt(plaintext, key, mode)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1812
// Encrypts the plaintext using the given key and in the given mode. 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1813
// The parameter "plaintext" can either be a string or an array of bytes. 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1814
// The parameter "key" must be an array of key bytes. If you have a hex 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1815
// string representing the key, invoke hexToByteArray() on it to convert it 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1816
// to an array of bytes. The third parameter "mode" is a string indicating
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1817
// the encryption mode to use, either "ECB" or "CBC". If the parameter is
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1818
// omitted, ECB is assumed.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1819
// 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1820
// An array of bytes representing the cihpertext is returned. To convert 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1821
// this array to hex, invoke byteArrayToHex() on it. If you are using this 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1822
// "for real" it is a good idea to change the function getRandomBytes() to 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1823
// something that returns truly random bits.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1824
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1825
function rijndaelEncrypt(plaintext, key, mode) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1826
	var expandedKey, i, aBlock;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1827
	var bpb = blockSizeInBits / 8;          // bytes per block
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1828
	var ct;                                 // ciphertext
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1829
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1830
	if (typeof plaintext != 'object' || typeof key != 'object')
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1831
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1832
		alert( 'Invalid params\nplaintext: '+typeof(plaintext)+'\nkey: '+typeof(key) );
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1833
		return false;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1834
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1835
	if (key.length*8 == keySizeInBits+8)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1836
		key.length = keySizeInBits / 8;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1837
	if (key.length*8 != keySizeInBits)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1838
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1839
		alert( 'Key length is bad!\nLength: '+key.length+'\nExpected: '+keySizeInBits / 8 );
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1840
		return false;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1841
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1842
	if (mode == "CBC")
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1843
		ct = getRandomBytes(bpb);             // get IV
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1844
	else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1845
		mode = "ECB";
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1846
		ct = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1847
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1848
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1849
	// convert plaintext to byte array and pad with zeros if necessary. 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1850
	plaintext = formatPlaintext(plaintext);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1851
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1852
	expandedKey = keyExpansion(key);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1853
	
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1854
	for (var block=0; block<plaintext.length / bpb; block++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1855
		aBlock = plaintext.slice(block*bpb, (block+1)*bpb);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1856
		if (mode == "CBC")
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1857
			for (var i=0; i<bpb; i++) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1858
				aBlock[i] ^= ct[block*bpb + i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1859
		ct = ct.concat(encrypt(aBlock, expandedKey));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1860
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1861
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1862
	return ct;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1863
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1864
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1865
// rijndaelDecrypt(ciphertext, key, mode)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1866
// Decrypts the using the given key and mode. The parameter "ciphertext" 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1867
// must be an array of bytes. The parameter "key" must be an array of key 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1868
// bytes. If you have a hex string representing the ciphertext or key, 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1869
// invoke hexToByteArray() on it to convert it to an array of bytes. The
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1870
// parameter "mode" is a string, either "CBC" or "ECB".
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1871
// 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1872
// An array of bytes representing the plaintext is returned. To convert 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1873
// this array to a hex string, invoke byteArrayToHex() on it. To convert it 
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1874
// to a string of characters, you can use byteArrayToString().
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1875
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1876
function rijndaelDecrypt(ciphertext, key, mode) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1877
	var expandedKey;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1878
	var bpb = blockSizeInBits / 8;          // bytes per block
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1879
	var pt = new Array();                   // plaintext array
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1880
	var aBlock;                             // a decrypted block
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1881
	var block;                              // current block number
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1882
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1883
	if (!ciphertext || !key || typeof ciphertext == "string")
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1884
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1885
	if (key.length*8 != keySizeInBits)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1886
		return; 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1887
	if (!mode)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1888
		mode = "ECB";                         // assume ECB if mode omitted
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1889
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1890
	expandedKey = keyExpansion(key);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1891
 
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1892
	// work backwards to accomodate CBC mode 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1893
	for (block=(ciphertext.length / bpb)-1; block>0; block--) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1894
		aBlock = 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1895
 		decrypt(ciphertext.slice(block*bpb,(block+1)*bpb), expandedKey);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1896
		if (mode == "CBC") 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1897
			for (var i=0; i<bpb; i++) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1898
				pt[(block-1)*bpb + i] = aBlock[i] ^ ciphertext[(block-1)*bpb + i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1899
		else 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1900
			pt = aBlock.concat(pt);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1901
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1902
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1903
	// do last block if ECB (skips the IV in CBC)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1904
	if (mode == "ECB")
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1905
		pt = decrypt(ciphertext.slice(0, bpb), expandedKey).concat(pt);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1906
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1907
	return pt;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1908
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1909
830
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1910
// This method takes a byte array (byteArray) and converts it to a string by
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1911
// applying String.fromCharCode() to each value and concatenating the result.
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1912
// The resulting string is returned. Note that this function SKIPS zero bytes
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1913
// under the assumption that they are padding added in formatPlaintext().
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1914
// Obviously, do not invoke this method on raw data that can contain zero
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1915
// bytes. It is really only appropriate for printable ASCII/Latin-1 
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1916
// values. Roll your own function for more robust functionality :)
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1917
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1918
function byteArrayToString(byteArray) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1919
	var result = "";
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1920
	for ( var i=0; i < byteArray.length; i++ )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1921
		if (byteArray[i] != 0) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1922
			result += '%' + byteArray[i].toString(16);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1923
	return decodeURIComponent(result);
830
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1924
}
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1925
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1926
// This function takes an array of bytes (byteArray) and converts them
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1927
// to a hexadecimal string. Array element 0 is found at the beginning of 
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1928
// the resulting string, high nibble first. Consecutive elements follow
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1929
// similarly, for example [16, 255] --> "10ff". The function returns a 
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1930
// string.
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1931
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1932
function byteArrayToHex(byteArray) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1933
	var result = "";
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1934
	if (!byteArray)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1935
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1936
	for (var i=0; i<byteArray.length; i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1937
		result += ((byteArray[i]<16) ? "0" : "") + byteArray[i].toString(16);
830
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1938
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1939
	return result;
830
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1940
}
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1941
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1942
// This function converts a string containing hexadecimal digits to an 
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1943
// array of bytes. The resulting byte array is filled in the order the
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1944
// values occur in the string, for example "10FF" --> [16, 255]. This
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1945
// function returns an array. 
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1946
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1947
function hexToByteArray(hexString) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1948
	/*
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1949
	var byteArray = [];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1950
	if (hexString.length % 2)             // must have even length
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1951
		return;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1952
	if (hexString.indexOf("0x") == 0 || hexString.indexOf("0X") == 0)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1953
		hexString = hexString.substring(2);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1954
	for (var i = 0; i<hexString.length; i += 2) 
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1955
		byteArray[Math.floor(i/2)] = parseInt(hexString.slice(i, i+2), 16);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1956
	return byteArray;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1957
	*/
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1958
	var bytes = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1959
	hexString = str_split(hexString, 2);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1960
	//alert(hexString.toString());
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1961
	//return false;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1962
	for( var i in hexString )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1963
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1964
		bytes[bytes.length] = parseInt(hexString[i], 16);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1965
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1966
	//alert(bytes.toString());
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1967
	return bytes;
830
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1968
}
79fb483807f6 Added Unicode support for usernames and passwords (this is probably best considered a JS crypto bug)
Dan
parents: 712
diff changeset
  1969
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1970
function stringToByteArray(text)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1971
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1972
	// Modified for Enano 2009-02-16 to be Unicode-safe
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1973
	var result = new Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1974
	text = encodeURIComponent(text);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1975
	for ( var i = 0; i < text.length; i++ )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1976
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1977
		var ch = text.charCodeAt(i);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1978
		var a = false;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1979
		if ( ch == 37 ) // "%"
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1980
		{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1981
			var hexch = text.substr(i, 3);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1982
			if ( hexch.match(/^%[a-f0-9][a-f0-9]$/i) )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1983
			{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1984
				result[result.length] = (unescape(hexch)).charCodeAt(0);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1985
				a = true;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1986
				i += 2;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1987
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1988
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1989
		if ( !a )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1990
		{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1991
			result[result.length] = ch;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1992
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1993
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1994
	return result;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1995
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1996
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1997
function aes_self_test()
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  1998
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  1999
	//
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2000
	// Encryption test
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2001
	//
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2002
	
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2003
	var str = '';
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2004
	for(i=0;i<keySizeInBits/4;i++)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2005
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2006
		str+='0';
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2007
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2008
	str = hexToByteArray(str);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2009
	var ct  = rijndaelEncrypt(str, str, 'ECB');
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2010
	ct      = byteArrayToHex(ct);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2011
	var v;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2012
	switch(keySizeInBits)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2013
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2014
		// These test vectors are for 128-bit block size.
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2015
		case 128:
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2016
			v = '66e94bd4ef8a2c3b884cfa59ca342b2e';
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2017
			break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2018
		case 192:
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2019
			v = 'aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7';
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2020
			break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2021
		case 256:
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2022
			v = 'dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087';
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2023
			break;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2024
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2025
	return ( ct == v && md5_vm_test() );
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2026
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2027
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2028
/*
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2029
 * EnanoMath, an abstraction layer for big-integer (arbitrary precision)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2030
 * mathematics.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2031
 */
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2032
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2033
var EnanoMathLayers = {};
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2034
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2035
// EnanoMath layer: Leemon (frontend to BigInt library by Leemon Baird)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2036
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2037
EnanoMathLayers.Leemon = {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2038
	Base: 10,
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2039
	PowMod: function(a, b, c)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2040
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2041
		a = str2bigInt(a, this.Base);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2042
		b = str2bigInt(b, this.Base);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2043
		c = str2bigInt(c, this.Base);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2044
		var result = powMod(a, b, c);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2045
		result = bigInt2str(result, this.Base);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2046
		return result;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2047
	},
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2048
	RandomInt: function(bits)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2049
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2050
		var result = randBigInt(bits);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2051
		return bigInt2str(result, this.Base);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2052
	}
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2053
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2054
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2055
var EnanoMath = EnanoMathLayers.Leemon;
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2056
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2057
/*
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2058
 * The Diffie-Hellman key exchange protocol.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2059
 */
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2060
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2061
// Our prime number as a base for operations.
712
331e009416d5 SECURITY: Changed Diffie-Hellman parameters to prime and generator created through OpenSSL
Dan
parents: 582
diff changeset
  2062
var dh_prime = '7916586051748534588306961133067968196965257961415756656521818848750723547477673457670019632882524164647651492025728980571833579341743988603191694784406703';
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2063
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2064
// g, a primitive root used as an exponent
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2065
// (2 and 5 are acceptable, but BigInt is faster with odd numbers)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2066
var dh_g = '5';
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2067
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2068
/**
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2069
 * Generates a Diffie-Hellman private key
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2070
 * @return string(BigInt)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2071
 */
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2072
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2073
function dh_gen_private()
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2074
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2075
	return EnanoMath.RandomInt(256);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2076
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2077
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2078
/**
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2079
 * Calculates the public key from the private key
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2080
 * @param string(BigInt)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2081
 * @return string(BigInt)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2082
 */
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2083
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2084
function dh_gen_public(b)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2085
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2086
	return EnanoMath.PowMod(dh_g, b, dh_prime);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2087
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2088
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2089
/**
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2090
 * Calculates the shared secret.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2091
 * @param string(BigInt) Our private key
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2092
 * @param string(BigInt) Remote party's public key
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2093
 * @return string(BigInt)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2094
 */
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2095
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2096
function dh_gen_shared_secret(b, A)
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2097
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2098
	return EnanoMath.PowMod(A, b, dh_prime);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2099
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2100
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2101
/* A JavaScript implementation of the Secure Hash Algorithm, SHA-256
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2102
 * Version 0.3 Copyright Angel Marin 2003-2004 - http://anmar.eu.org/
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2103
 * Distributed under the BSD License
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2104
 * Some bits taken from Paul Johnston's SHA-1 implementation
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2105
 */
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2106
/*
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2107
Copyright (c) 2003-2004, Angel Marin
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2108
All rights reserved.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2109
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2110
Redistribution and use in source and binary forms, with or without modification,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2111
are permitted provided that the following conditions are met:
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2112
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2113
 * Redistributions of source code must retain the above copyright notice, this
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2114
 	list of conditions and the following disclaimer.
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2115
 * Redistributions in binary form must reproduce the above copyright notice,
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2116
 	this list of conditions and the following disclaimer in the documentation
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2117
 	and/or other materials provided with the distribution.
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2118
 * Neither the name of the <ORGANIZATION> nor the names of its contributors may
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2119
 	be used to endorse or promote products derived from this software without
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2120
 	specific prior written permission.
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2121
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2122
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2123
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2124
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2125
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2126
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2127
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2128
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2129
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2130
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2131
OF THE POSSIBILITY OF SUCH DAMAGE.
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2132
*/
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2133
var chrsz = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode  */
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2134
function safe_add (x, y) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2135
	var lsw = (x & 0xFFFF) + (y & 0xFFFF);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2136
	var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2137
	return (msw << 16) | (lsw & 0xFFFF);
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2138
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2139
function S (X, n) {return ( X >>> n ) | (X << (32 - n));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2140
function R (X, n) {return ( X >>> n );}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2141
function Ch(x, y, z) {return ((x & y) ^ ((~x) & z));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2142
function Maj(x, y, z) {return ((x & y) ^ (x & z) ^ (y & z));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2143
function Sigma0256(x) {return (S(x, 2) ^ S(x, 13) ^ S(x, 22));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2144
function Sigma1256(x) {return (S(x, 6) ^ S(x, 11) ^ S(x, 25));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2145
function Gamma0256(x) {return (S(x, 7) ^ S(x, 18) ^ R(x, 3));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2146
function Gamma1256(x) {return (S(x, 17) ^ S(x, 19) ^ R(x, 10));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2147
function core_sha256 (m, l) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2148
		var K = new Array(0x428A2F98,0x71374491,0xB5C0FBCF,0xE9B5DBA5,0x3956C25B,0x59F111F1,0x923F82A4,0xAB1C5ED5,0xD807AA98,0x12835B01,0x243185BE,0x550C7DC3,0x72BE5D74,0x80DEB1FE,0x9BDC06A7,0xC19BF174,0xE49B69C1,0xEFBE4786,0xFC19DC6,0x240CA1CC,0x2DE92C6F,0x4A7484AA,0x5CB0A9DC,0x76F988DA,0x983E5152,0xA831C66D,0xB00327C8,0xBF597FC7,0xC6E00BF3,0xD5A79147,0x6CA6351,0x14292967,0x27B70A85,0x2E1B2138,0x4D2C6DFC,0x53380D13,0x650A7354,0x766A0ABB,0x81C2C92E,0x92722C85,0xA2BFE8A1,0xA81A664B,0xC24B8B70,0xC76C51A3,0xD192E819,0xD6990624,0xF40E3585,0x106AA070,0x19A4C116,0x1E376C08,0x2748774C,0x34B0BCB5,0x391C0CB3,0x4ED8AA4A,0x5B9CCA4F,0x682E6FF3,0x748F82EE,0x78A5636F,0x84C87814,0x8CC70208,0x90BEFFFA,0xA4506CEB,0xBEF9A3F7,0xC67178F2);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2149
		var HASH = new Array(0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2150
		var W = new Array(64);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2151
		var a, b, c, d, e, f, g, h, i, j;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2152
		var T1, T2;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2153
		/* append padding */
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2154
		m[l >> 5] |= 0x80 << (24 - l % 32);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2155
		m[((l + 64 >> 9) << 4) + 15] = l;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2156
		for ( var i = 0; i<m.length; i+=16 ) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2157
				a = HASH[0]; b = HASH[1]; c = HASH[2]; d = HASH[3]; e = HASH[4]; f = HASH[5]; g = HASH[6]; h = HASH[7];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2158
				for ( var j = 0; j<64; j++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2159
						if (j < 16) W[j] = m[j + i];
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2160
						else W[j] = safe_add(safe_add(safe_add(Gamma1256(W[j - 2]), W[j - 7]), Gamma0256(W[j - 15])), W[j - 16]);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2161
						T1 = safe_add(safe_add(safe_add(safe_add(h, Sigma1256(e)), Ch(e, f, g)), K[j]), W[j]);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2162
						T2 = safe_add(Sigma0256(a), Maj(a, b, c));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2163
						h = g; g = f; f = e; e = safe_add(d, T1); d = c; c = b; b = a; a = safe_add(T1, T2);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2164
				}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2165
				HASH[0] = safe_add(a, HASH[0]); HASH[1] = safe_add(b, HASH[1]); HASH[2] = safe_add(c, HASH[2]); HASH[3] = safe_add(d, HASH[3]); HASH[4] = safe_add(e, HASH[4]); HASH[5] = safe_add(f, HASH[5]); HASH[6] = safe_add(g, HASH[6]); HASH[7] = safe_add(h, HASH[7]);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2166
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2167
		return HASH;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2168
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2169
function str2binb (str) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2170
	var bin = Array();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2171
	var mask = (1 << chrsz) - 1;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2172
	for(var i = 0; i < str.length * chrsz; i += chrsz)
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2173
		bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (24 - i%32);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2174
	return bin;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2175
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2176
function binb2hex (binarray) {
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2177
	var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2178
	var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2179
	var str = "";
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2180
	for (var i = 0; i < binarray.length * 4; i++) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2181
		str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2182
	}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2183
	return str;
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2184
}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2185
function hex_sha256(s){return binb2hex(core_sha256(str2binb(s),s.length * chrsz));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2186
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2187
// Javascript implementation of the and SHA1 hash algorithms - both written by Paul Johnston, licensed under the BSD license
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2188
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2189
// MD5
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2190
var hexcase = 0; var b64pad  = ""; var chrsz   = 8;
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2191
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2192
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2193
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2194
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2195
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2196
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2197
function md5_vm_test() { return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72"; }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2198
function core_md5(x, len) { x[len >> 5] |= 0x80 << ((len) % 32); x[(((len + 64) >>> 9) << 4) + 14] = len; var a =  1732584193; var b = -271733879; var c = -1732584194; var d =  271733878; for(var i = 0; i < x.length; i += 16) { var olda = a; var oldb = b; var oldc = c; var oldd = d; a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2199
 				a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);c = md5_ff(c, d, a, b, x[i+10], 17, -42063);b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2200
 				c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2201
 				a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2202
 				c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2203
 				a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2204
 				c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 843
diff changeset
  2205
 				a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); } return Array(a, b, c, d); }
582
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2206
function md5_cmn(q, a, b, x, s, t) { return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2207
function md5_ff(a, b, c, d, x, s, t) { return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2208
function md5_gg(a, b, c, d, x, s, t) { return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2209
function md5_hh(a, b, c, d, x, s, t) { return md5_cmn(b ^ c ^ d, a, b, x, s, t); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2210
function md5_ii(a, b, c, d, x, s, t) { return md5_cmn(c ^ (b | (~d)), a, b, x, s, t); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2211
function core_hmac_md5(key, data) { var bkey = str2binl(key); if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz); var ipad = Array(16), opad = Array(16); for(var i = 0; i < 16; i++) { ipad[i] = bkey[i] ^ 0x36363636; opad[i] = bkey[i] ^ 0x5C5C5C5C; } var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz); return core_md5(opad.concat(hash), 512 + 128); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2212
function safe_add(x, y) {var lsw = (x & 0xFFFF) + (y & 0xFFFF);var msw = (x >> 16) + (y >> 16) + (lsw >> 16);return (msw << 16) | (lsw & 0xFFFF); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2213
function bit_rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)); }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2214
function str2binl(str) { var bin = Array(); var mask = (1 << chrsz) - 1; for(var i = 0; i < str.length * chrsz; i += chrsz)bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); return bin;}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2215
function binl2str(bin) { var str = ""; var mask = (1 << chrsz) - 1; for(var i = 0; i < bin.length * 32; i += chrsz) str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask); return str; }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2216
function binl2hex(binarray) { var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for(var i = 0; i < binarray.length * 4; i++) { str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF); } return str; }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2217
function binl2b64(binarray) { var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var str = ""; for(var i = 0; i < binarray.length * 4; i += 3) { var triplet = (((binarray[i >> 2] >> 8 * ( i   %4)) & 0xFF) << 16) | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF); for(var j = 0; j < 4; j++) { if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); } } return str; }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2218
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2219
// SHA1
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2220
function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2221
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2222
function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2223
function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2224
function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2225
function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2226
function sha1_vm_test() {   return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d"; }
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2227
function core_sha1(x, len) { x[len >> 5] |= 0x80 << (24 - len % 32); x[((len + 64 >> 9) << 4) + 15] = len; var w = Array(80); var a =  1732584193; var b = -271733879; var c = -1732584194; var d =  271733878; var e = -1009589776; for(var i = 0; i < x.length; i += 16) { var olda = a; var oldb = b; var oldc = c; var oldd = d; var olde = e; for(var j = 0; j < 80; j++) { if(j < 16) w[j] = x[i + j]; else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1); var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), safe_add(safe_add(e, w[j]), sha1_kt(j))); e = d; d = c; c = rol(b, 30); b = a; a = t; } a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); e = safe_add(e, olde); } return Array(a, b, c, d, e);}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2228
function sha1_ft(t, b, c, d){ if(t < 20) return (b & c) | ((~b) & d); if(t < 40) return b ^ c ^ d; if(t < 60) return (b & c) | (b & d) | (c & d); return b ^ c ^ d;}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2229
function sha1_kt(t){ return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 : (t < 60) ? -1894007588 : -899497514;}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2230
function core_hmac_sha1(key, data){ var bkey = str2binb(key); if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz); var ipad = Array(16), opad = Array(16); for(var i = 0; i < 16; i++) { ipad[i] = bkey[i] ^ 0x36363636; opad[i] = bkey[i] ^ 0x5C5C5C5C; } var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz); return core_sha1(opad.concat(hash), 512 + 160);}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2231
function safe_add(x, y){ var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF);}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2232
function rol(num, cnt){ return (num << cnt) | (num >>> (32 - cnt));}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2233
function str2binb(str){ var bin = Array(); var mask = (1 << chrsz) - 1; for(var i = 0; i < str.length * chrsz; i += chrsz) bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32); return bin;}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2234
function binb2str(bin){ var str = ""; var mask = (1 << chrsz) - 1; for(var i = 0; i < bin.length * 32; i += chrsz) str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask); return str;}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2235
function binb2hex(binarray){ var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for(var i = 0; i < binarray.length * 4; i++) { str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF); } return str;}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2236
function binb2b64(binarray){ var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var str = ""; for(var i = 0; i < binarray.length * 4; i += 3) { var triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16) | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 ) |  ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF); for(var j = 0; j < 4; j++) { if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); } } return str;}
a38876c0793c Majorly reworked Javascript runtime stuff to use on-demand loading.
Dan
parents:
diff changeset
  2237