diff options
Diffstat (limited to 'library/cryptojs/components/md5.js')
| -rw-r--r-- | library/cryptojs/components/md5.js | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/library/cryptojs/components/md5.js b/library/cryptojs/components/md5.js new file mode 100644 index 000000000..f4c46b968 --- /dev/null +++ b/library/cryptojs/components/md5.js @@ -0,0 +1,254 @@ +/* +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;
+
+ // Constants table
+ var T = [];
+
+ // Compute constants
+ (function () {
+ for (var i = 0; i < 64; i++) {
+ T[i] = (Math.abs(Math.sin(i + 1)) * 0x100000000) | 0;
+ }
+ }());
+
+ /**
+ * MD5 hash algorithm.
+ */
+ var MD5 = C_algo.MD5 = Hasher.extend({
+ _doReset: function () {
+ this._hash = new WordArray.init([
+ 0x67452301, 0xefcdab89,
+ 0x98badcfe, 0x10325476
+ ]);
+ },
+
+ _doProcessBlock: function (M, offset) {
+ // Swap endian
+ for (var i = 0; i < 16; i++) {
+ // Shortcuts
+ var offset_i = offset + i;
+ var M_offset_i = M[offset_i];
+
+ M[offset_i] = (
+ (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
+ (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
+ );
+ }
+
+ // Shortcuts
+ var H = this._hash.words;
+
+ var M_offset_0 = M[offset + 0];
+ var M_offset_1 = M[offset + 1];
+ var M_offset_2 = M[offset + 2];
+ var M_offset_3 = M[offset + 3];
+ var M_offset_4 = M[offset + 4];
+ var M_offset_5 = M[offset + 5];
+ var M_offset_6 = M[offset + 6];
+ var M_offset_7 = M[offset + 7];
+ var M_offset_8 = M[offset + 8];
+ var M_offset_9 = M[offset + 9];
+ var M_offset_10 = M[offset + 10];
+ var M_offset_11 = M[offset + 11];
+ var M_offset_12 = M[offset + 12];
+ var M_offset_13 = M[offset + 13];
+ var M_offset_14 = M[offset + 14];
+ var M_offset_15 = M[offset + 15];
+
+ // Working varialbes
+ var a = H[0];
+ var b = H[1];
+ var c = H[2];
+ var d = H[3];
+
+ // Computation
+ a = FF(a, b, c, d, M_offset_0, 7, T[0]);
+ d = FF(d, a, b, c, M_offset_1, 12, T[1]);
+ c = FF(c, d, a, b, M_offset_2, 17, T[2]);
+ b = FF(b, c, d, a, M_offset_3, 22, T[3]);
+ a = FF(a, b, c, d, M_offset_4, 7, T[4]);
+ d = FF(d, a, b, c, M_offset_5, 12, T[5]);
+ c = FF(c, d, a, b, M_offset_6, 17, T[6]);
+ b = FF(b, c, d, a, M_offset_7, 22, T[7]);
+ a = FF(a, b, c, d, M_offset_8, 7, T[8]);
+ d = FF(d, a, b, c, M_offset_9, 12, T[9]);
+ c = FF(c, d, a, b, M_offset_10, 17, T[10]);
+ b = FF(b, c, d, a, M_offset_11, 22, T[11]);
+ a = FF(a, b, c, d, M_offset_12, 7, T[12]);
+ d = FF(d, a, b, c, M_offset_13, 12, T[13]);
+ c = FF(c, d, a, b, M_offset_14, 17, T[14]);
+ b = FF(b, c, d, a, M_offset_15, 22, T[15]);
+
+ a = GG(a, b, c, d, M_offset_1, 5, T[16]);
+ d = GG(d, a, b, c, M_offset_6, 9, T[17]);
+ c = GG(c, d, a, b, M_offset_11, 14, T[18]);
+ b = GG(b, c, d, a, M_offset_0, 20, T[19]);
+ a = GG(a, b, c, d, M_offset_5, 5, T[20]);
+ d = GG(d, a, b, c, M_offset_10, 9, T[21]);
+ c = GG(c, d, a, b, M_offset_15, 14, T[22]);
+ b = GG(b, c, d, a, M_offset_4, 20, T[23]);
+ a = GG(a, b, c, d, M_offset_9, 5, T[24]);
+ d = GG(d, a, b, c, M_offset_14, 9, T[25]);
+ c = GG(c, d, a, b, M_offset_3, 14, T[26]);
+ b = GG(b, c, d, a, M_offset_8, 20, T[27]);
+ a = GG(a, b, c, d, M_offset_13, 5, T[28]);
+ d = GG(d, a, b, c, M_offset_2, 9, T[29]);
+ c = GG(c, d, a, b, M_offset_7, 14, T[30]);
+ b = GG(b, c, d, a, M_offset_12, 20, T[31]);
+
+ a = HH(a, b, c, d, M_offset_5, 4, T[32]);
+ d = HH(d, a, b, c, M_offset_8, 11, T[33]);
+ c = HH(c, d, a, b, M_offset_11, 16, T[34]);
+ b = HH(b, c, d, a, M_offset_14, 23, T[35]);
+ a = HH(a, b, c, d, M_offset_1, 4, T[36]);
+ d = HH(d, a, b, c, M_offset_4, 11, T[37]);
+ c = HH(c, d, a, b, M_offset_7, 16, T[38]);
+ b = HH(b, c, d, a, M_offset_10, 23, T[39]);
+ a = HH(a, b, c, d, M_offset_13, 4, T[40]);
+ d = HH(d, a, b, c, M_offset_0, 11, T[41]);
+ c = HH(c, d, a, b, M_offset_3, 16, T[42]);
+ b = HH(b, c, d, a, M_offset_6, 23, T[43]);
+ a = HH(a, b, c, d, M_offset_9, 4, T[44]);
+ d = HH(d, a, b, c, M_offset_12, 11, T[45]);
+ c = HH(c, d, a, b, M_offset_15, 16, T[46]);
+ b = HH(b, c, d, a, M_offset_2, 23, T[47]);
+
+ a = II(a, b, c, d, M_offset_0, 6, T[48]);
+ d = II(d, a, b, c, M_offset_7, 10, T[49]);
+ c = II(c, d, a, b, M_offset_14, 15, T[50]);
+ b = II(b, c, d, a, M_offset_5, 21, T[51]);
+ a = II(a, b, c, d, M_offset_12, 6, T[52]);
+ d = II(d, a, b, c, M_offset_3, 10, T[53]);
+ c = II(c, d, a, b, M_offset_10, 15, T[54]);
+ b = II(b, c, d, a, M_offset_1, 21, T[55]);
+ a = II(a, b, c, d, M_offset_8, 6, T[56]);
+ d = II(d, a, b, c, M_offset_15, 10, T[57]);
+ c = II(c, d, a, b, M_offset_6, 15, T[58]);
+ b = II(b, c, d, a, M_offset_13, 21, T[59]);
+ a = II(a, b, c, d, M_offset_4, 6, T[60]);
+ d = II(d, a, b, c, M_offset_11, 10, T[61]);
+ c = II(c, d, a, b, M_offset_2, 15, T[62]);
+ b = II(b, c, d, a, M_offset_9, 21, T[63]);
+
+ // 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;
+ },
+
+ _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);
+
+ var nBitsTotalH = Math.floor(nBitsTotal / 0x100000000);
+ var nBitsTotalL = nBitsTotal;
+ dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = (
+ (((nBitsTotalH << 8) | (nBitsTotalH >>> 24)) & 0x00ff00ff) |
+ (((nBitsTotalH << 24) | (nBitsTotalH >>> 8)) & 0xff00ff00)
+ );
+ dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
+ (((nBitsTotalL << 8) | (nBitsTotalL >>> 24)) & 0x00ff00ff) |
+ (((nBitsTotalL << 24) | (nBitsTotalL >>> 8)) & 0xff00ff00)
+ );
+
+ data.sigBytes = (dataWords.length + 1) * 4;
+
+ // Hash final blocks
+ this._process();
+
+ // Shortcuts
+ var hash = this._hash;
+ var H = hash.words;
+
+ // Swap endian
+ for (var i = 0; i < 4; i++) {
+ // Shortcut
+ var H_i = H[i];
+
+ H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
+ (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00);
+ }
+
+ // Return final computed hash
+ return hash;
+ },
+
+ clone: function () {
+ var clone = Hasher.clone.call(this);
+ clone._hash = this._hash.clone();
+
+ return clone;
+ }
+ });
+
+ function FF(a, b, c, d, x, s, t) {
+ var n = a + ((b & c) | (~b & d)) + x + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ }
+
+ function GG(a, b, c, d, x, s, t) {
+ var n = a + ((b & d) | (c & ~d)) + x + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ }
+
+ function HH(a, b, c, d, x, s, t) {
+ var n = a + (b ^ c ^ d) + x + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ }
+
+ function II(a, b, c, d, x, s, t) {
+ var n = a + (c ^ (b | ~d)) + x + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ }
+
+ /**
+ * 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.MD5('message');
+ * var hash = CryptoJS.MD5(wordArray);
+ */
+ C.MD5 = Hasher._createHelper(MD5);
+
+ /**
+ * 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.HmacMD5(message, key);
+ */
+ C.HmacMD5 = Hasher._createHmacHelper(MD5);
+}(Math));
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