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/*
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));
}
};
}();