| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185 | 
							- /*
 
- CryptoJS v3.1.2
 
- code.google.com/p/crypto-js
 
- (c) 2009-2013 by Jeff Mott. All rights reserved.
 
- code.google.com/p/crypto-js/wiki/License
 
- */
 
- (function (Math) {
 
-     // Shortcuts
 
-     var C = CryptoJS;
 
-     var C_lib = C.lib;
 
-     var WordArray = C_lib.WordArray;
 
-     var Hasher = C_lib.Hasher;
 
-     var C_algo = C.algo;
 
-     // Initialization and round constants tables
 
-     var H = [];
 
-     var K = [];
 
-     // Compute constants
 
-     (function () {
 
-         function isPrime(n) {
 
-             var sqrtN = Math.sqrt(n);
 
-             for (var factor = 2; factor <= sqrtN; factor++) {
 
-                 if (!(n % factor)) {
 
-                     return false;
 
-                 }
 
-             }
 
-             return true;
 
-         }
 
-         function getFractionalBits(n) {
 
-             return ((n - (n | 0)) * 0x100000000) | 0;
 
-         }
 
-         var n = 2;
 
-         var nPrime = 0;
 
-         while (nPrime < 64) {
 
-             if (isPrime(n)) {
 
-                 if (nPrime < 8) {
 
-                     H[nPrime] = getFractionalBits(Math.pow(n, 1 / 2));
 
-                 }
 
-                 K[nPrime] = getFractionalBits(Math.pow(n, 1 / 3));
 
-                 nPrime++;
 
-             }
 
-             n++;
 
-         }
 
-     }());
 
-     // Reusable object
 
-     var W = [];
 
-     /**
 
-      * SHA-256 hash algorithm.
 
-      */
 
-     var SHA256 = C_algo.SHA256 = Hasher.extend({
 
-         _doReset: function () {
 
-             this._hash = new WordArray.init(H.slice(0));
 
-         },
 
-         _doProcessBlock: function (M, offset) {
 
-             // Shortcut
 
-             var H = this._hash.words;
 
-             // Working variables
 
-             var a = H[0];
 
-             var b = H[1];
 
-             var c = H[2];
 
-             var d = H[3];
 
-             var e = H[4];
 
-             var f = H[5];
 
-             var g = H[6];
 
-             var h = H[7];
 
-             // Computation
 
-             for (var i = 0; i < 64; i++) {
 
-                 if (i < 16) {
 
-                     W[i] = M[offset + i] | 0;
 
-                 } else {
 
-                     var gamma0x = W[i - 15];
 
-                     var gamma0  = ((gamma0x << 25) | (gamma0x >>> 7))  ^
 
-                                   ((gamma0x << 14) | (gamma0x >>> 18)) ^
 
-                                    (gamma0x >>> 3);
 
-                     var gamma1x = W[i - 2];
 
-                     var gamma1  = ((gamma1x << 15) | (gamma1x >>> 17)) ^
 
-                                   ((gamma1x << 13) | (gamma1x >>> 19)) ^
 
-                                    (gamma1x >>> 10);
 
-                     W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16];
 
-                 }
 
-                 var ch  = (e & f) ^ (~e & g);
 
-                 var maj = (a & b) ^ (a & c) ^ (b & c);
 
-                 var sigma0 = ((a << 30) | (a >>> 2)) ^ ((a << 19) | (a >>> 13)) ^ ((a << 10) | (a >>> 22));
 
-                 var sigma1 = ((e << 26) | (e >>> 6)) ^ ((e << 21) | (e >>> 11)) ^ ((e << 7)  | (e >>> 25));
 
-                 var t1 = h + sigma1 + ch + K[i] + W[i];
 
-                 var t2 = sigma0 + maj;
 
-                 h = g;
 
-                 g = f;
 
-                 f = e;
 
-                 e = (d + t1) | 0;
 
-                 d = c;
 
-                 c = b;
 
-                 b = a;
 
-                 a = (t1 + t2) | 0;
 
-             }
 
-             // Intermediate hash value
 
-             H[0] = (H[0] + a) | 0;
 
-             H[1] = (H[1] + b) | 0;
 
-             H[2] = (H[2] + c) | 0;
 
-             H[3] = (H[3] + d) | 0;
 
-             H[4] = (H[4] + e) | 0;
 
-             H[5] = (H[5] + f) | 0;
 
-             H[6] = (H[6] + g) | 0;
 
-             H[7] = (H[7] + h) | 0;
 
-         },
 
-         _doFinalize: function () {
 
-             // Shortcuts
 
-             var data = this._data;
 
-             var dataWords = data.words;
 
-             var nBitsTotal = this._nDataBytes * 8;
 
-             var nBitsLeft = data.sigBytes * 8;
 
-             // Add padding
 
-             dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
 
-             dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
 
-             dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
 
-             data.sigBytes = dataWords.length * 4;
 
-             // Hash final blocks
 
-             this._process();
 
-             // Return final computed hash
 
-             return this._hash;
 
-         },
 
-         clone: function () {
 
-             var clone = Hasher.clone.call(this);
 
-             clone._hash = this._hash.clone();
 
-             return clone;
 
-         }
 
-     });
 
-     /**
 
-      * Shortcut function to the hasher's object interface.
 
-      *
 
-      * @param {WordArray|string} message The message to hash.
 
-      *
 
-      * @return {WordArray} The hash.
 
-      *
 
-      * @static
 
-      *
 
-      * @example
 
-      *
 
-      *     var hash = CryptoJS.SHA256('message');
 
-      *     var hash = CryptoJS.SHA256(wordArray);
 
-      */
 
-     C.SHA256 = Hasher._createHelper(SHA256);
 
-     /**
 
-      * Shortcut function to the HMAC's object interface.
 
-      *
 
-      * @param {WordArray|string} message The message to hash.
 
-      * @param {WordArray|string} key The secret key.
 
-      *
 
-      * @return {WordArray} The HMAC.
 
-      *
 
-      * @static
 
-      *
 
-      * @example
 
-      *
 
-      *     var hmac = CryptoJS.HmacSHA256(message, key);
 
-      */
 
-     C.HmacSHA256 = Hasher._createHmacHelper(SHA256);
 
- }(Math));
 
 
  |