| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| |
| |
| dojo.require("dojo.crypto"); |
| dojo.provide("dojo.crypto.MD5"); |
| dojo.crypto.MD5 = new function () { |
| var chrsz = 8; |
| var mask = (1 << chrsz) - 1; |
| function toWord(s) { |
| var wa = []; |
| for (var i = 0; i < s.length * chrsz; i += chrsz) { |
| wa[i >> 5] |= (s.charCodeAt(i / chrsz) & mask) << (i % 32); |
| } |
| return wa; |
| } |
| function toString(wa) { |
| var s = []; |
| for (var i = 0; i < wa.length * 32; i += chrsz) { |
| s.push(String.fromCharCode((wa[i >> 5] >>> (i % 32)) & mask)); |
| } |
| return s.join(""); |
| } |
| function toHex(wa) { |
| var h = "0123456789abcdef"; |
| var s = []; |
| for (var i = 0; i < wa.length * 4; i++) { |
| s.push(h.charAt((wa[i >> 2] >> ((i % 4) * 8 + 4)) & 15) + h.charAt((wa[i >> 2] >> ((i % 4) * 8)) & 15)); |
| } |
| return s.join(""); |
| } |
| function toBase64(wa) { |
| var p = "="; |
| var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
| var s = []; |
| for (var i = 0; i < wa.length * 4; i += 3) { |
| var t = (((wa[i >> 2] >> 8 * (i % 4)) & 255) << 16) | (((wa[i + 1 >> 2] >> 8 * ((i + 1) % 4)) & 255) << 8) | ((wa[i + 2 >> 2] >> 8 * ((i + 2) % 4)) & 255); |
| for (var j = 0; j < 4; j++) { |
| if (i * 8 + j * 6 > wa.length * 32) { |
| s.push(p); |
| } else { |
| s.push(tab.charAt((t >> 6 * (3 - j)) & 63)); |
| } |
| } |
| } |
| return s.join(""); |
| } |
| function add(x, y) { |
| var l = (x & 65535) + (y & 65535); |
| var m = (x >> 16) + (y >> 16) + (l >> 16); |
| return (m << 16) | (l & 65535); |
| } |
| function R(n, c) { |
| return (n << c) | (n >>> (32 - c)); |
| } |
| function C(q, a, b, x, s, t) { |
| return add(R(add(add(a, q), add(x, t)), s), b); |
| } |
| function FF(a, b, c, d, x, s, t) { |
| return C((b & c) | ((~b) & d), a, b, x, s, t); |
| } |
| function GG(a, b, c, d, x, s, t) { |
| return C((b & d) | (c & (~d)), a, b, x, s, t); |
| } |
| function HH(a, b, c, d, x, s, t) { |
| return C(b ^ c ^ d, a, b, x, s, t); |
| } |
| function II(a, b, c, d, x, s, t) { |
| return C(c ^ (b | (~d)), a, b, x, s, t); |
| } |
| function core(x, len) { |
| x[len >> 5] |= 128 << ((len) % 32); |
| x[(((len + 64) >>> 9) << 4) + 14] = len; |
| var a = 1732584193; |
| var b = -271733879; |
| var c = -1732584194; |
| var d = 271733878; |
| for (var i = 0; i < x.length; i += 16) { |
| var olda = a; |
| var oldb = b; |
| var oldc = c; |
| var oldd = d; |
| a = FF(a, b, c, d, x[i + 0], 7, -680876936); |
| d = FF(d, a, b, c, x[i + 1], 12, -389564586); |
| c = FF(c, d, a, b, x[i + 2], 17, 606105819); |
| b = FF(b, c, d, a, x[i + 3], 22, -1044525330); |
| a = FF(a, b, c, d, x[i + 4], 7, -176418897); |
| d = FF(d, a, b, c, x[i + 5], 12, 1200080426); |
| c = FF(c, d, a, b, x[i + 6], 17, -1473231341); |
| b = FF(b, c, d, a, x[i + 7], 22, -45705983); |
| a = FF(a, b, c, d, x[i + 8], 7, 1770035416); |
| d = FF(d, a, b, c, x[i + 9], 12, -1958414417); |
| c = FF(c, d, a, b, x[i + 10], 17, -42063); |
| b = FF(b, c, d, a, x[i + 11], 22, -1990404162); |
| a = FF(a, b, c, d, x[i + 12], 7, 1804603682); |
| d = FF(d, a, b, c, x[i + 13], 12, -40341101); |
| c = FF(c, d, a, b, x[i + 14], 17, -1502002290); |
| b = FF(b, c, d, a, x[i + 15], 22, 1236535329); |
| a = GG(a, b, c, d, x[i + 1], 5, -165796510); |
| d = GG(d, a, b, c, x[i + 6], 9, -1069501632); |
| c = GG(c, d, a, b, x[i + 11], 14, 643717713); |
| b = GG(b, c, d, a, x[i + 0], 20, -373897302); |
| a = GG(a, b, c, d, x[i + 5], 5, -701558691); |
| d = GG(d, a, b, c, x[i + 10], 9, 38016083); |
| c = GG(c, d, a, b, x[i + 15], 14, -660478335); |
| b = GG(b, c, d, a, x[i + 4], 20, -405537848); |
| a = GG(a, b, c, d, x[i + 9], 5, 568446438); |
| d = GG(d, a, b, c, x[i + 14], 9, -1019803690); |
| c = GG(c, d, a, b, x[i + 3], 14, -187363961); |
| b = GG(b, c, d, a, x[i + 8], 20, 1163531501); |
| a = GG(a, b, c, d, x[i + 13], 5, -1444681467); |
| d = GG(d, a, b, c, x[i + 2], 9, -51403784); |
| c = GG(c, d, a, b, x[i + 7], 14, 1735328473); |
| b = GG(b, c, d, a, x[i + 12], 20, -1926607734); |
| a = HH(a, b, c, d, x[i + 5], 4, -378558); |
| d = HH(d, a, b, c, x[i + 8], 11, -2022574463); |
| c = HH(c, d, a, b, x[i + 11], 16, 1839030562); |
| b = HH(b, c, d, a, x[i + 14], 23, -35309556); |
| a = HH(a, b, c, d, x[i + 1], 4, -1530992060); |
| d = HH(d, a, b, c, x[i + 4], 11, 1272893353); |
| c = HH(c, d, a, b, x[i + 7], 16, -155497632); |
| b = HH(b, c, d, a, x[i + 10], 23, -1094730640); |
| a = HH(a, b, c, d, x[i + 13], 4, 681279174); |
| d = HH(d, a, b, c, x[i + 0], 11, -358537222); |
| c = HH(c, d, a, b, x[i + 3], 16, -722521979); |
| b = HH(b, c, d, a, x[i + 6], 23, 76029189); |
| a = HH(a, b, c, d, x[i + 9], 4, -640364487); |
| d = HH(d, a, b, c, x[i + 12], 11, -421815835); |
| c = HH(c, d, a, b, x[i + 15], 16, 530742520); |
| b = HH(b, c, d, a, x[i + 2], 23, -995338651); |
| a = II(a, b, c, d, x[i + 0], 6, -198630844); |
| d = II(d, a, b, c, x[i + 7], 10, 1126891415); |
| c = II(c, d, a, b, x[i + 14], 15, -1416354905); |
| b = II(b, c, d, a, x[i + 5], 21, -57434055); |
| a = II(a, b, c, d, x[i + 12], 6, 1700485571); |
| d = II(d, a, b, c, x[i + 3], 10, -1894986606); |
| c = II(c, d, a, b, x[i + 10], 15, -1051523); |
| b = II(b, c, d, a, x[i + 1], 21, -2054922799); |
| a = II(a, b, c, d, x[i + 8], 6, 1873313359); |
| d = II(d, a, b, c, x[i + 15], 10, -30611744); |
| c = II(c, d, a, b, x[i + 6], 15, -1560198380); |
| b = II(b, c, d, a, x[i + 13], 21, 1309151649); |
| a = II(a, b, c, d, x[i + 4], 6, -145523070); |
| d = II(d, a, b, c, x[i + 11], 10, -1120210379); |
| c = II(c, d, a, b, x[i + 2], 15, 718787259); |
| b = II(b, c, d, a, x[i + 9], 21, -343485551); |
| a = add(a, olda); |
| b = add(b, oldb); |
| c = add(c, oldc); |
| d = add(d, oldd); |
| } |
| return [a, b, c, d]; |
| } |
| function hmac(data, key) { |
| var wa = toWord(key); |
| if (wa.length > 16) { |
| wa = core(wa, key.length * chrsz); |
| } |
| var l = [], r = []; |
| for (var i = 0; i < 16; i++) { |
| l[i] = wa[i] ^ 909522486; |
| r[i] = wa[i] ^ 1549556828; |
| } |
| var h = core(l.concat(toWord(data)), 512 + data.length * chrsz); |
| return core(r.concat(h), 640); |
| } |
| this.compute = function (data, outputType) { |
| var out = outputType || dojo.crypto.outputTypes.Base64; |
| switch (out) { |
| case dojo.crypto.outputTypes.Hex: |
| return toHex(core(toWord(data), data.length * chrsz)); |
| case dojo.crypto.outputTypes.String: |
| return toString(core(toWord(data), data.length * chrsz)); |
| default: |
| return toBase64(core(toWord(data), data.length * chrsz)); |
| } |
| }; |
| this.getHMAC = function (data, key, outputType) { |
| var out = outputType || dojo.crypto.outputTypes.Base64; |
| switch (out) { |
| case dojo.crypto.outputTypes.Hex: |
| return toHex(hmac(data, key)); |
| case dojo.crypto.outputTypes.String: |
| return toString(hmac(data, key)); |
| default: |
| return toBase64(hmac(data, key)); |
| } |
| }; |
| }(); |
| |
