本地JS做MD5验证时所需的JS文件

/* * Crypto-JS v2.5.1 * http://code.google.com/p/crypto-js/ * (c) 2009-2011 by Jeff Mott. All rights reserved. * http://code.google.com/p/crypto-js/wiki/License */ importScripts('/js/crypto/crypto-min.js'); // Auxiliary functions function FF(a, b, c, d, x, s, t) { var n = a + (b & c | ~b & d) + (x >>> 0) + 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 >>> 0) + t; return ((n << s) | (n >>> (32 - s))) + b; } function HH(a, b, c, d, x, s, t) { var n = a + (b ^ c ^ d) + (x >>> 0) + t; return ((n << s) | (n >>> (32 - s))) + b; } function II(a, b, c, d, x, s, t) { var n = a + (c ^ (b | ~d)) + (x >>> 0) + t; return ((n << s) | (n >>> (32 - s))) + b; } function md5(m, hash) { var a = hash[0], b = hash[1], c = hash[2], d = hash[3]; for (var i = 0; i < m.length; i += 16) { var aa = a, bb = b, cc = c, dd = d; a = FF(a, b, c, d, m[i + 0], 7, -680876936); d = FF(d, a, b, c, m[i + 1], 12, -389564586); c = FF(c, d, a, b, m[i + 2], 17, 606105819); b = FF(b, c, d, a, m[i + 3], 22, -1044525330); a = FF(a, b, c, d, m[i + 4], 7, -176418897); d = FF(d, a, b, c, m[i + 5], 12, 1200080426); c = FF(c, d, a, b, m[i + 6], 17, -1473231341); b = FF(b, c, d, a, m[i + 7], 22, -45705983); a = FF(a, b, c, d, m[i + 8], 7, 1770035416); d = FF(d, a, b, c, m[i + 9], 12, -1958414417); c = FF(c, d, a, b, m[i + 10], 17, -42063); b = FF(b, c, d, a, m[i + 11], 22, -1990404162); a = FF(a, b, c, d, m[i + 12], 7, 1804603682); d = FF(d, a, b, c, m[i + 13], 12, -40341101); c = FF(c, d, a, b, m[i + 14], 17, -1502002290); b = FF(b, c, d, a, m[i + 15], 22, 1236535329); a = GG(a, b, c, d, m[i + 1], 5, -165796510); d = GG(d, a, b, c, m[i + 6], 9, -1069501632); c = GG(c, d, a, b, m[i + 11], 14, 643717713); b = GG(b, c, d, a, m[i + 0], 20, -373897302); a = GG(a, b, c, d, m[i + 5], 5, -701558691); d = GG(d, a, b, c, m[i + 10], 9, 38016083); c = GG(c, d, a, b, m[i + 15], 14, -660478335); b = GG(b, c, d, a, m[i + 4], 20, -405537848); a = GG(a, b, c, d, m[i + 9], 5, 568446438); d = GG(d, a, b, c, m[i + 14], 9, -1019803690); c = GG(c, d, a, b, m[i + 3], 14, -187363961); b = GG(b, c, d, a, m[i + 8], 20, 1163531501); a = GG(a, b, c, d, m[i + 13], 5, -1444681467); d = GG(d, a, b, c, m[i + 2], 9, -51403784); c = GG(c, d, a, b, m[i + 7], 14, 1735328473); b = GG(b, c, d, a, m[i + 12], 20, -1926607734); a = HH(a, b, c, d, m[i + 5], 4, -378558); d = HH(d, a, b, c, m[i + 8], 11, -2022574463); c = HH(c, d, a, b, m[i + 11], 16, 1839030562); b = HH(b, c, d, a, m[i + 14], 23, -35309556); a = HH(a, b, c, d, m[i + 1], 4, -1530992060); d = HH(d, a, b, c, m[i + 4], 11, 1272893353); c = HH(c, d, a, b, m[i + 7], 16, -155497632); b = HH(b, c, d, a, m[i + 10], 23, -1094730640); a = HH(a, b, c, d, m[i + 13], 4, 681279174); d = HH(d, a, b, c, m[i + 0], 11, -358537222); c = HH(c, d, a, b, m[i + 3], 16, -722521979); b = HH(b, c, d, a, m[i + 6], 23, 76029189); a = HH(a, b, c, d, m[i + 9], 4, -640364487); d = HH(d, a, b, c, m[i + 12], 11, -421815835); c = HH(c, d, a, b, m[i + 15], 16, 530742520); b = HH(b, c, d, a, m[i + 2], 23, -995338651); a = II(a, b, c, d, m[i + 0], 6, -198630844); d = II(d, a, b, c, m[i + 7], 10, 1126891415); c = II(c, d, a, b, m[i + 14], 15, -1416354905); b = II(b, c, d, a, m[i + 5], 21, -57434055); a = II(a, b, c, d, m[i + 12], 6, 1700485571); d = II(d, a, b, c, m[i + 3], 10, -1894986606); c = II(c, d, a, b, m[i + 10], 15, -1051523); b = II(b, c, d, a, m[i + 1], 21, -2054922799); a = II(a, b, c, d, m[i + 8], 6, 1873313359); d = II(d, a, b, c, m[i + 15], 10, -30611744); c = II(c, d, a, b, m[i + 6], 15, -1560198380); b = II(b, c, d, a, m[i + 13], 21, 1309151649); a = II(a, b, c, d, m[i + 4], 6, -145523070); d = II(d, a, b, c, m[i + 11], 10, -1120210379); c = II(c, d, a, b, m[i + 2], 15, 718787259); b = II(b, c, d, a, m[i + 9], 21, -343485551); a = (a + aa) >>> 0; b = (b + bb) >>> 0; c = (c + cc) >>> 0; d = (d + dd) >>> 0; } return [a, b, c, d]; } /* * (c) 2011 by md5file.com. All rights reserved. */ self.hash = [1732584193, -271733879, -1732584194, 271733878]; self.addEventListener('message', function (event) { var uint8_array, message, block, output, nBitsTotal, nBitsLeft, nBitsTotalH, nBitsTotalL; uint8_array = new Uint8Array(event.data.message); message = Crypto.util.endian(Crypto.util.bytesToWords(uint8_array)); block = event.data.block; event = null; uint8_array = null; output = { 'block' : block }; if (block.end === block.file_size) { nBitsTotal = block.file_size * 8; nBitsLeft = (block.end - block.start) * 8; // Add padding message[nBitsLeft >>> 5] |= 0x80 << (nBitsLeft % 32); nBitsTotalH = Math.floor(nBitsTotal / 0x100000000); nBitsTotalL = nBitsTotal & 0xFFFFFFFF; message[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotalH; message[(((nBitsLeft + 64) >>> 9) << 4) + 14] = nBitsTotalL; self.hash = md5(message, self.hash); output.result = Crypto.util.bytesToHex(Crypto.util.wordsToBytes(Crypto.util.endian(self.hash))); } else { self.hash = md5(message, self.hash); } message = null; self.postMessage(output); }, false);