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268 lines
9.2 KiB
268 lines
9.2 KiB
;(function (root, factory) { |
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if (typeof exports === "object") { |
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// CommonJS |
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module.exports = exports = factory(require("./core")); |
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} |
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else if (typeof define === "function" && define.amd) { |
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// AMD |
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define(["./core"], factory); |
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} |
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else { |
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// Global (browser) |
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factory(root.CryptoJS); |
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} |
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}(this, function (CryptoJS) { |
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|
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(function (Math) { |
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// Shortcuts |
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var C = CryptoJS; |
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var C_lib = C.lib; |
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var WordArray = C_lib.WordArray; |
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var Hasher = C_lib.Hasher; |
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var C_algo = C.algo; |
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|
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// Constants table |
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var T = []; |
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|
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// Compute constants |
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(function () { |
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for (var i = 0; i < 64; i++) { |
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T[i] = (Math.abs(Math.sin(i + 1)) * 0x100000000) | 0; |
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} |
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}()); |
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|
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/** |
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* MD5 hash algorithm. |
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*/ |
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var MD5 = C_algo.MD5 = Hasher.extend({ |
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_doReset: function () { |
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this._hash = new WordArray.init([ |
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0x67452301, 0xefcdab89, |
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0x98badcfe, 0x10325476 |
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]); |
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}, |
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|
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_doProcessBlock: function (M, offset) { |
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// Swap endian |
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for (var i = 0; i < 16; i++) { |
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// Shortcuts |
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var offset_i = offset + i; |
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var M_offset_i = M[offset_i]; |
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|
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M[offset_i] = ( |
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(((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) | |
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(((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00) |
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); |
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} |
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|
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// Shortcuts |
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var H = this._hash.words; |
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|
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var M_offset_0 = M[offset + 0]; |
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var M_offset_1 = M[offset + 1]; |
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var M_offset_2 = M[offset + 2]; |
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var M_offset_3 = M[offset + 3]; |
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var M_offset_4 = M[offset + 4]; |
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var M_offset_5 = M[offset + 5]; |
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var M_offset_6 = M[offset + 6]; |
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var M_offset_7 = M[offset + 7]; |
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var M_offset_8 = M[offset + 8]; |
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var M_offset_9 = M[offset + 9]; |
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var M_offset_10 = M[offset + 10]; |
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var M_offset_11 = M[offset + 11]; |
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var M_offset_12 = M[offset + 12]; |
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var M_offset_13 = M[offset + 13]; |
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var M_offset_14 = M[offset + 14]; |
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var M_offset_15 = M[offset + 15]; |
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|
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// Working varialbes |
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var a = H[0]; |
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var b = H[1]; |
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var c = H[2]; |
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var d = H[3]; |
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|
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// Computation |
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a = FF(a, b, c, d, M_offset_0, 7, T[0]); |
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d = FF(d, a, b, c, M_offset_1, 12, T[1]); |
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c = FF(c, d, a, b, M_offset_2, 17, T[2]); |
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b = FF(b, c, d, a, M_offset_3, 22, T[3]); |
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a = FF(a, b, c, d, M_offset_4, 7, T[4]); |
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d = FF(d, a, b, c, M_offset_5, 12, T[5]); |
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c = FF(c, d, a, b, M_offset_6, 17, T[6]); |
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b = FF(b, c, d, a, M_offset_7, 22, T[7]); |
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a = FF(a, b, c, d, M_offset_8, 7, T[8]); |
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d = FF(d, a, b, c, M_offset_9, 12, T[9]); |
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c = FF(c, d, a, b, M_offset_10, 17, T[10]); |
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b = FF(b, c, d, a, M_offset_11, 22, T[11]); |
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a = FF(a, b, c, d, M_offset_12, 7, T[12]); |
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d = FF(d, a, b, c, M_offset_13, 12, T[13]); |
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c = FF(c, d, a, b, M_offset_14, 17, T[14]); |
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b = FF(b, c, d, a, M_offset_15, 22, T[15]); |
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|
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a = GG(a, b, c, d, M_offset_1, 5, T[16]); |
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d = GG(d, a, b, c, M_offset_6, 9, T[17]); |
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c = GG(c, d, a, b, M_offset_11, 14, T[18]); |
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b = GG(b, c, d, a, M_offset_0, 20, T[19]); |
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a = GG(a, b, c, d, M_offset_5, 5, T[20]); |
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d = GG(d, a, b, c, M_offset_10, 9, T[21]); |
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c = GG(c, d, a, b, M_offset_15, 14, T[22]); |
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b = GG(b, c, d, a, M_offset_4, 20, T[23]); |
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a = GG(a, b, c, d, M_offset_9, 5, T[24]); |
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d = GG(d, a, b, c, M_offset_14, 9, T[25]); |
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c = GG(c, d, a, b, M_offset_3, 14, T[26]); |
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b = GG(b, c, d, a, M_offset_8, 20, T[27]); |
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a = GG(a, b, c, d, M_offset_13, 5, T[28]); |
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d = GG(d, a, b, c, M_offset_2, 9, T[29]); |
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c = GG(c, d, a, b, M_offset_7, 14, T[30]); |
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b = GG(b, c, d, a, M_offset_12, 20, T[31]); |
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|
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a = HH(a, b, c, d, M_offset_5, 4, T[32]); |
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d = HH(d, a, b, c, M_offset_8, 11, T[33]); |
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c = HH(c, d, a, b, M_offset_11, 16, T[34]); |
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b = HH(b, c, d, a, M_offset_14, 23, T[35]); |
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a = HH(a, b, c, d, M_offset_1, 4, T[36]); |
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d = HH(d, a, b, c, M_offset_4, 11, T[37]); |
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c = HH(c, d, a, b, M_offset_7, 16, T[38]); |
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b = HH(b, c, d, a, M_offset_10, 23, T[39]); |
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a = HH(a, b, c, d, M_offset_13, 4, T[40]); |
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d = HH(d, a, b, c, M_offset_0, 11, T[41]); |
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c = HH(c, d, a, b, M_offset_3, 16, T[42]); |
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b = HH(b, c, d, a, M_offset_6, 23, T[43]); |
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a = HH(a, b, c, d, M_offset_9, 4, T[44]); |
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d = HH(d, a, b, c, M_offset_12, 11, T[45]); |
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c = HH(c, d, a, b, M_offset_15, 16, T[46]); |
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b = HH(b, c, d, a, M_offset_2, 23, T[47]); |
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a = II(a, b, c, d, M_offset_0, 6, T[48]); |
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d = II(d, a, b, c, M_offset_7, 10, T[49]); |
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c = II(c, d, a, b, M_offset_14, 15, T[50]); |
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b = II(b, c, d, a, M_offset_5, 21, T[51]); |
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a = II(a, b, c, d, M_offset_12, 6, T[52]); |
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d = II(d, a, b, c, M_offset_3, 10, T[53]); |
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c = II(c, d, a, b, M_offset_10, 15, T[54]); |
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b = II(b, c, d, a, M_offset_1, 21, T[55]); |
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a = II(a, b, c, d, M_offset_8, 6, T[56]); |
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d = II(d, a, b, c, M_offset_15, 10, T[57]); |
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c = II(c, d, a, b, M_offset_6, 15, T[58]); |
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b = II(b, c, d, a, M_offset_13, 21, T[59]); |
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a = II(a, b, c, d, M_offset_4, 6, T[60]); |
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d = II(d, a, b, c, M_offset_11, 10, T[61]); |
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c = II(c, d, a, b, M_offset_2, 15, T[62]); |
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b = II(b, c, d, a, M_offset_9, 21, T[63]); |
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|
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// Intermediate hash value |
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H[0] = (H[0] + a) | 0; |
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H[1] = (H[1] + b) | 0; |
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H[2] = (H[2] + c) | 0; |
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H[3] = (H[3] + d) | 0; |
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}, |
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_doFinalize: function () { |
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// Shortcuts |
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var data = this._data; |
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var dataWords = data.words; |
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|
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var nBitsTotal = this._nDataBytes * 8; |
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var nBitsLeft = data.sigBytes * 8; |
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|
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// Add padding |
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dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32); |
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var nBitsTotalH = Math.floor(nBitsTotal / 0x100000000); |
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var nBitsTotalL = nBitsTotal; |
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dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = ( |
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(((nBitsTotalH << 8) | (nBitsTotalH >>> 24)) & 0x00ff00ff) | |
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(((nBitsTotalH << 24) | (nBitsTotalH >>> 8)) & 0xff00ff00) |
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); |
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dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = ( |
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(((nBitsTotalL << 8) | (nBitsTotalL >>> 24)) & 0x00ff00ff) | |
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(((nBitsTotalL << 24) | (nBitsTotalL >>> 8)) & 0xff00ff00) |
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); |
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data.sigBytes = (dataWords.length + 1) * 4; |
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|
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// Hash final blocks |
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this._process(); |
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|
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// Shortcuts |
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var hash = this._hash; |
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var H = hash.words; |
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|
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// Swap endian |
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for (var i = 0; i < 4; i++) { |
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// Shortcut |
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var H_i = H[i]; |
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H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) | |
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(((H_i << 24) | (H_i >>> 8)) & 0xff00ff00); |
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} |
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|
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// Return final computed hash |
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return hash; |
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}, |
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clone: function () { |
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var clone = Hasher.clone.call(this); |
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clone._hash = this._hash.clone(); |
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|
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return clone; |
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} |
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}); |
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function FF(a, b, c, d, x, s, t) { |
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var n = a + ((b & c) | (~b & d)) + x + t; |
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return ((n << s) | (n >>> (32 - s))) + b; |
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} |
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function GG(a, b, c, d, x, s, t) { |
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var n = a + ((b & d) | (c & ~d)) + x + t; |
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return ((n << s) | (n >>> (32 - s))) + b; |
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} |
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function HH(a, b, c, d, x, s, t) { |
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var n = a + (b ^ c ^ d) + x + t; |
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return ((n << s) | (n >>> (32 - s))) + b; |
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} |
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function II(a, b, c, d, x, s, t) { |
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var n = a + (c ^ (b | ~d)) + x + t; |
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return ((n << s) | (n >>> (32 - s))) + b; |
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} |
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/** |
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* Shortcut function to the hasher's object interface. |
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* |
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* @param {WordArray|string} message The message to hash. |
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* |
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* @return {WordArray} The hash. |
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* |
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* @static |
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* |
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* @example |
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* |
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* var hash = CryptoJS.MD5('message'); |
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* var hash = CryptoJS.MD5(wordArray); |
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*/ |
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C.MD5 = Hasher._createHelper(MD5); |
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|
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/** |
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* Shortcut function to the HMAC's object interface. |
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* |
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* @param {WordArray|string} message The message to hash. |
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* @param {WordArray|string} key The secret key. |
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* |
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* @return {WordArray} The HMAC. |
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* |
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* @static |
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* |
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* @example |
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* |
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* var hmac = CryptoJS.HmacMD5(message, key); |
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*/ |
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C.HmacMD5 = Hasher._createHmacHelper(MD5); |
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}(Math)); |
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return CryptoJS.MD5; |
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|
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})); |