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1422 alexandre_ 1 
/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
1318 alexandre_ 4 
 
1422 alexandre_ 5 
	Licensed under the Academic Free License version 2.1 or above OR the
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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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1318 alexandre_ 13 
dojo.require("dojo.crypto");
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dojo.provide("dojo.crypto.MD5");
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dojo.crypto.MD5 = new function () {
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	var chrsz = 8;
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	var mask = (1 << chrsz) - 1;
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	function toWord(s) {
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		var wa = [];
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		for (var i = 0; i < s.length * chrsz; i += chrsz) {
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			wa[i >> 5] |= (s.charCodeAt(i / chrsz) & mask) << (i % 32);
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		}
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		return wa;
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	}
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	function toString(wa) {
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		var s = [];
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		for (var i = 0; i < wa.length * 32; i += chrsz) {
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			s.push(String.fromCharCode((wa[i >> 5] >>> (i % 32)) & mask));
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		}
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		return s.join("");
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	}
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	function toHex(wa) {
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		var h = "0123456789abcdef";
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		var s = [];
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		for (var i = 0; i < wa.length * 4; i++) {
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			s.push(h.charAt((wa[i >> 2] >> ((i % 4) * 8 + 4)) & 15) + h.charAt((wa[i >> 2] >> ((i % 4) * 8)) & 15));
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		}
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		return s.join("");
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	}
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	function toBase64(wa) {
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		var p = "=";
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		var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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		var s = [];
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		for (var i = 0; i < wa.length * 4; i += 3) {
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			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);
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			for (var j = 0; j < 4; j++) {
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				if (i * 8 + j * 6 > wa.length * 32) {
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					s.push(p);
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				} else {
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					s.push(tab.charAt((t >> 6 * (3 - j)) & 63));
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				}
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			}
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		}
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		return s.join("");
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	}
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	function add(x, y) {
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		var l = (x & 65535) + (y & 65535);
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		var m = (x >> 16) + (y >> 16) + (l >> 16);
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		return (m << 16) | (l & 65535);
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	}
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	function R(n, c) {
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		return (n << c) | (n >>> (32 - c));
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	}
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	function C(q, a, b, x, s, t) {
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		return add(R(add(add(a, q), add(x, t)), s), b);
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	}
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	function FF(a, b, c, d, x, s, t) {
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		return C((b & c) | ((~b) & d), a, b, x, s, t);
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	}
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	function GG(a, b, c, d, x, s, t) {
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		return C((b & d) | (c & (~d)), a, b, x, s, t);
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	}
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	function HH(a, b, c, d, x, s, t) {
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		return C(b ^ c ^ d, a, b, x, s, t);
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	}
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	function II(a, b, c, d, x, s, t) {
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		return C(c ^ (b | (~d)), a, b, x, s, t);
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	}
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	function core(x, len) {
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		x[len >> 5] |= 128 << ((len) % 32);
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		x[(((len + 64) >>> 9) << 4) + 14] = len;
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		var a = 1732584193;
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		var b = -271733879;
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		var c = -1732584194;
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		var d = 271733878;
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		for (var i = 0; i < x.length; i += 16) {
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			var olda = a;
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			var oldb = b;
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			var oldc = c;
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			var oldd = d;
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			a = FF(a, b, c, d, x[i + 0], 7, -680876936);
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			d = FF(d, a, b, c, x[i + 1], 12, -389564586);
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			c = FF(c, d, a, b, x[i + 2], 17, 606105819);
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			b = FF(b, c, d, a, x[i + 3], 22, -1044525330);
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			a = FF(a, b, c, d, x[i + 4], 7, -176418897);
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			d = FF(d, a, b, c, x[i + 5], 12, 1200080426);
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			c = FF(c, d, a, b, x[i + 6], 17, -1473231341);
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			b = FF(b, c, d, a, x[i + 7], 22, -45705983);
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			a = FF(a, b, c, d, x[i + 8], 7, 1770035416);
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			d = FF(d, a, b, c, x[i + 9], 12, -1958414417);
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			c = FF(c, d, a, b, x[i + 10], 17, -42063);
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			b = FF(b, c, d, a, x[i + 11], 22, -1990404162);
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			a = FF(a, b, c, d, x[i + 12], 7, 1804603682);
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			d = FF(d, a, b, c, x[i + 13], 12, -40341101);
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			c = FF(c, d, a, b, x[i + 14], 17, -1502002290);
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			b = FF(b, c, d, a, x[i + 15], 22, 1236535329);
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			a = GG(a, b, c, d, x[i + 1], 5, -165796510);
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			d = GG(d, a, b, c, x[i + 6], 9, -1069501632);
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			c = GG(c, d, a, b, x[i + 11], 14, 643717713);
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			b = GG(b, c, d, a, x[i + 0], 20, -373897302);
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			a = GG(a, b, c, d, x[i + 5], 5, -701558691);
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			d = GG(d, a, b, c, x[i + 10], 9, 38016083);
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			c = GG(c, d, a, b, x[i + 15], 14, -660478335);
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			b = GG(b, c, d, a, x[i + 4], 20, -405537848);
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			a = GG(a, b, c, d, x[i + 9], 5, 568446438);
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			d = GG(d, a, b, c, x[i + 14], 9, -1019803690);
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			c = GG(c, d, a, b, x[i + 3], 14, -187363961);
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			b = GG(b, c, d, a, x[i + 8], 20, 1163531501);
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			a = GG(a, b, c, d, x[i + 13], 5, -1444681467);
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			d = GG(d, a, b, c, x[i + 2], 9, -51403784);
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			c = GG(c, d, a, b, x[i + 7], 14, 1735328473);
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			b = GG(b, c, d, a, x[i + 12], 20, -1926607734);
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			a = HH(a, b, c, d, x[i + 5], 4, -378558);
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			d = HH(d, a, b, c, x[i + 8], 11, -2022574463);
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			c = HH(c, d, a, b, x[i + 11], 16, 1839030562);
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			b = HH(b, c, d, a, x[i + 14], 23, -35309556);
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			a = HH(a, b, c, d, x[i + 1], 4, -1530992060);
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			d = HH(d, a, b, c, x[i + 4], 11, 1272893353);
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			c = HH(c, d, a, b, x[i + 7], 16, -155497632);
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			b = HH(b, c, d, a, x[i + 10], 23, -1094730640);
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			a = HH(a, b, c, d, x[i + 13], 4, 681279174);
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			d = HH(d, a, b, c, x[i + 0], 11, -358537222);
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			c = HH(c, d, a, b, x[i + 3], 16, -722521979);
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			b = HH(b, c, d, a, x[i + 6], 23, 76029189);
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			a = HH(a, b, c, d, x[i + 9], 4, -640364487);
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			d = HH(d, a, b, c, x[i + 12], 11, -421815835);
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			c = HH(c, d, a, b, x[i + 15], 16, 530742520);
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			b = HH(b, c, d, a, x[i + 2], 23, -995338651);
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			a = II(a, b, c, d, x[i + 0], 6, -198630844);
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			d = II(d, a, b, c, x[i + 7], 10, 1126891415);
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			c = II(c, d, a, b, x[i + 14], 15, -1416354905);
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			b = II(b, c, d, a, x[i + 5], 21, -57434055);
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			a = II(a, b, c, d, x[i + 12], 6, 1700485571);
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			d = II(d, a, b, c, x[i + 3], 10, -1894986606);
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			c = II(c, d, a, b, x[i + 10], 15, -1051523);
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			b = II(b, c, d, a, x[i + 1], 21, -2054922799);
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			a = II(a, b, c, d, x[i + 8], 6, 1873313359);
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			d = II(d, a, b, c, x[i + 15], 10, -30611744);
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			c = II(c, d, a, b, x[i + 6], 15, -1560198380);
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			b = II(b, c, d, a, x[i + 13], 21, 1309151649);
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			a = II(a, b, c, d, x[i + 4], 6, -145523070);
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			d = II(d, a, b, c, x[i + 11], 10, -1120210379);
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			c = II(c, d, a, b, x[i + 2], 15, 718787259);
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			b = II(b, c, d, a, x[i + 9], 21, -343485551);
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			a = add(a, olda);
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			b = add(b, oldb);
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			c = add(c, oldc);
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			d = add(d, oldd);
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		}
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		return [a, b, c, d];
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	}
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	function hmac(data, key) {
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		var wa = toWord(key);
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		if (wa.length > 16) {
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			wa = core(wa, key.length * chrsz);
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		}
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		var l = [], r = [];
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		for (var i = 0; i < 16; i++) {
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			l[i] = wa[i] ^ 909522486;
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			r[i] = wa[i] ^ 1549556828;
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		}
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		var h = core(l.concat(toWord(data)), 512 + data.length * chrsz);
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		return core(r.concat(h), 640);
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	}
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	this.compute = function (data, outputType) {
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		var out = outputType || dojo.crypto.outputTypes.Base64;
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		switch (out) {
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		  case dojo.crypto.outputTypes.Hex:
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			return toHex(core(toWord(data), data.length * chrsz));
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		  case dojo.crypto.outputTypes.String:
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			return toString(core(toWord(data), data.length * chrsz));
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		  default:
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			return toBase64(core(toWord(data), data.length * chrsz));
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		}
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	};
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	this.getHMAC = function (data, key, outputType) {
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		var out = outputType || dojo.crypto.outputTypes.Base64;
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		switch (out) {
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		  case dojo.crypto.outputTypes.Hex:
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			return toHex(hmac(data, key));
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		  case dojo.crypto.outputTypes.String:
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			return toString(hmac(data, key));
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		  default:
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			return toBase64(hmac(data, key));
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		}
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	};
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}();
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