/* * js-md4 v0.1.1 * https://github.com/emn178/js-md4 * * Copyright 2015, emn178@gmail.com * * Licensed under the MIT license: * http://www.opensource.org/licenses/MIT */ ;(function(root, undefined) { 'use strict'; var NODE_JS = typeof(module) != 'undefined'; if(NODE_JS) { root = global; if(root.JS_MD4_TEST) { root.navigator = { userAgent: 'Firefox'}; } } var FIREFOX = (root.JS_MD4_TEST || !NODE_JS) && navigator.userAgent.indexOf('Firefox') != -1; var ARRAY_BUFFER = !root.JS_MD4_TEST && typeof(ArrayBuffer) != 'undefined'; var HEX_CHARS = '0123456789abcdef'.split(''); var EXTRA = [128, 32768, 8388608, -2147483648]; var SHIFT = [0, 8, 16, 24]; var blocks = [], buffer8; if(ARRAY_BUFFER) { var buffer = new ArrayBuffer(68); buffer8 = new Uint8Array(buffer); blocks = new Uint32Array(buffer); } var md4 = function(message) { var h0, h1, h2, h3, a, b, c, d, ab, bc, cd, da, code, first = true, end = false, index = 0, i, start = 0, bytes = 0, length = message.length, array = (ARRAY_BUFFER ? ArrayBuffer.isView(message) : false) || message instanceof Array; blocks[16] = 0; do { blocks[0] = blocks[16]; blocks[16] = blocks[1] = blocks[2] = blocks[3] = blocks[4] = blocks[5] = blocks[6] = blocks[7] = blocks[8] = blocks[9] = blocks[10] = blocks[11] = blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0; if (ARRAY_BUFFER) { if (array) { for (i = start;index < length && i < 64; ++index) { buffer8[i++] = message[index]; } } else { for (i = start;index < length && i < 64; ++index) { code = message.charCodeAt(index); if (code < 0x80) { buffer8[i++] = code; } else if (code < 0x800) { buffer8[i++] = 0xc0 | (code >> 6); buffer8[i++] = 0x80 | (code & 0x3f); } else if (code < 0xd800 || code >= 0xe000) { buffer8[i++] = 0xe0 | (code >> 12); buffer8[i++] = 0x80 | ((code >> 6) & 0x3f); buffer8[i++] = 0x80 | (code & 0x3f); } else { code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff)); buffer8[i++] = 0xf0 | (code >> 18); buffer8[i++] = 0x80 | ((code >> 12) & 0x3f); buffer8[i++] = 0x80 | ((code >> 6) & 0x3f); buffer8[i++] = 0x80 | (code & 0x3f); } } } } else { if (array) { for (i = start;index < length && i < 64; ++index) { blocks[i >> 2] |= message[index] << SHIFT[i++ & 3]; } } else { for (i = start;index < length && i < 64; ++index) { code = message.charCodeAt(index); if (code < 0x80) { blocks[i >> 2] |= code << SHIFT[i++ & 3]; } else if (code < 0x800) { blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3]; blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; } else if (code < 0xd800 || code >= 0xe000) { blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3]; blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3]; blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; } else { code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff)); blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3]; blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3]; blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3]; blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3]; } } } } bytes += i - start; start = i - 64; if(index == length) { blocks[i >> 2] |= EXTRA[i & 3]; ++index; } if(index > length && i < 56) { blocks[14] = bytes << 3; end = true; } if(first) { a = blocks[0] - 1; a = (a << 3) | (a >>> 29); d = ((a & 0xefcdab89) | (~a & 0x98badcfe)) + blocks[1] + 271733878; d = (d << 7) | (d >>> 25); c = ((d & a) | (~d & 0xefcdab89)) + blocks[2] - 1732584194; c = (c << 11) | (c >>> 21); b = ((c & d) | (~c & a)) + blocks[3] - 271733879; b = (b << 19) | (b >>> 13); } else { a = h0; b = h1; c = h2; d = h3; a += ((b & c) | (~b & d)) + blocks[0]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[1]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[2]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[3]; b = (b << 19) | (b >>> 13); } a += ((b & c) | (~b & d)) + blocks[4]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[5]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[6]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[7]; b = (b << 19) | (b >>> 13); a += ((b & c) | (~b & d)) + blocks[8]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[9]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[10]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[11]; b = (b << 19) | (b >>> 13); a += ((b & c) | (~b & d)) + blocks[12]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[13]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[14]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[15]; b = (b << 19) | (b >>> 13); bc = b & c; a += (bc | (b & d) | (c & d)) + blocks[0] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[4] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[8] + 1518500249; c = (c << 9) | (c >>> 23); cd = c & d; b += (cd | (c & a) | da) + blocks[12] + 1518500249; b = (b << 13) | (b >>> 19); bc = b & c; a += (bc | (b & d) | cd) + blocks[1] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[5] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[9] + 1518500249; c = (c << 9) | (c >>> 23); cd = c & d; b += (cd | (c & a) | da) + blocks[13] + 1518500249; b = (b << 13) | (b >>> 19); bc = b & c; a += (bc | (b & d) | cd) + blocks[2] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[6] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[10] + 1518500249; c = (c << 9) | (c >>> 23); cd = c & d; b += (cd | (c & a) | da) + blocks[14] + 1518500249; b = (b << 13) | (b >>> 19); bc = b & c; a += (bc | (b & d) | cd) + blocks[3] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[7] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[11] + 1518500249; c = (c << 9) | (c >>> 23); b += ((c & d) | (c & a) | da) + blocks[15] + 1518500249; b = (b << 13) | (b >>> 19); bc = b ^ c; a += (bc ^ d) + blocks[0] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[8] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[4] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[12] + 1859775393; b = (b << 15) | (b >>> 17); bc = b ^ c; a += (bc ^ d) + blocks[2] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[10] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[6] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[14] + 1859775393; b = (b << 15) | (b >>> 17); bc = b ^ c; a += (bc ^ d) + blocks[1] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[9] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[5] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[13] + 1859775393; b = (b << 15) | (b >>> 17); bc = b ^ c; a += (bc ^ d) + blocks[3] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[11] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[7] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[15] + 1859775393; b = (b << 15) | (b >>> 17); if(first) { h0 = a + 1732584193 << 0; h1 = b - 271733879 << 0; h2 = c - 1732584194 << 0; h3 = d + 271733878 << 0; first = false; } else { h0 = h0 + a << 0; h1 = h1 + b << 0; h2 = h2 + c << 0; h3 = h3 + d << 0; } } while(!end); if(FIREFOX) { var hex = HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F]; hex += HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F]; hex += HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F]; hex += HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F]; hex += HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F]; hex += HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F]; hex += HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F]; hex += HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F]; hex += HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F]; hex += HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F]; hex += HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F]; hex += HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F]; hex += HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F]; hex += HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F]; hex += HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F]; hex += HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F]; return hex; } else { return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] + HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] + HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] + HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] + HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] + HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] + HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] + HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] + HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] + HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] + HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] + HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] + HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] + HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] + HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] + HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F]; } }; if(!root.JS_MD4_TEST && NODE_JS) { module.exports = md4; } else if(root) { root.md4 = md4; } }(this));