function md5(s)
{
return hex_md5(s);
}
function hex_md5(s)
{
return binl2hex(core_md5(str2binl(s), s.length * chrsz));
}
function b64_md5(s)
{
return binl2b64(core_md5(str2binl(s), s.length * chrsz));
}
function str_md5(s)
{
return binl2str(core_md5(str2binl(s), s.length * chrsz));
}
function hex_hmac_md5(key, data)
{
return binl2hex(core_hmac_md5(key, data));
}
function b64_hmac_md5(key, data)
{
return binl2b64(core_hmac_md5(key, data));
}
function str_hmac_md5(key, data)
{
return binl2str(core_hmac_md5(key, data));
}
function md5_vm_test()
{
return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}
function core_md5(x, len)
{
x[len >> 5] |= 0x80 << ((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 = md5_ff(a, b, c, d, x[i + 0], 7, - 680876936);
d = md5_ff(d, a, b, c, x[i + 1], 12, - 389564586);
c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i + 3], 22, - 1044525330);
a = md5_ff(a, b, c, d, x[i + 4], 7, - 176418897);
d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i + 6], 17, - 1473231341);
b = md5_ff(b, c, d, a, x[i + 7], 22, - 45705983);
a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
d = md5_ff(d, a, b, c, x[i + 9], 12, - 1958414417);
c = md5_ff(c, d, a, b, x[i + 10], 17, - 42063);
b = md5_ff(b, c, d, a, x[i + 11], 22, - 1990404162);
a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
d = md5_ff(d, a, b, c, x[i + 13], 12, - 40341101);
c = md5_ff(c, d, a, b, x[i + 14], 17, - 1502002290);
b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i + 1], 5, - 165796510);
d = md5_gg(d, a, b, c, x[i + 6], 9, - 1069501632);
c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i + 0], 20, - 373897302);
a = md5_gg(a, b, c, d, x[i + 5], 5, - 701558691);
d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
c = md5_gg(c, d, a, b, x[i + 15], 14, - 660478335);
b = md5_gg(b, c, d, a, x[i + 4], 20, - 405537848);
a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
d = md5_gg(d, a, b, c, x[i + 14], 9, - 1019803690);
c = md5_gg(c, d, a, b, x[i + 3], 14, - 187363961);
b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i + 13], 5, - 1444681467);
d = md5_gg(d, a, b, c, x[i + 2], 9, - 51403784);
c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i + 12], 20, - 1926607734);
a = md5_hh(a, b, c, d, x[i + 5], 4, - 378558);
d = md5_hh(d, a, b, c, x[i + 8], 11, - 2022574463);
c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i + 14], 23, - 35309556);
a = md5_hh(a, b, c, d, x[i + 1], 4, - 1530992060);
d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i + 7], 16, - 155497632);
b = md5_hh(b, c, d, a, x[i + 10], 23, - 1094730640);
a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
d = md5_hh(d, a, b, c, x[i + 0], 11, - 358537222);
c = md5_hh(c, d, a, b, x[i + 3], 16, - 722521979);
b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i + 9], 4, - 640364487);
d = md5_hh(d, a, b, c, x[i + 12], 11, - 421815835);
c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i + 2], 23, - 995338651);
a = md5_ii(a, b, c, d, x[i + 0], 6, - 198630844);
d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i + 14], 15, - 1416354905);
b = md5_ii(b, c, d, a, x[i + 5], 21, - 57434055);
a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
d = md5_ii(d, a, b, c, x[i + 3], 10, - 1894986606);
c = md5_ii(c, d, a, b, x[i + 10], 15, - 1051523);
b = md5_ii(b, c, d, a, x[i + 1], 21, - 2054922799);
a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
d = md5_ii(d, a, b, c, x[i + 15], 10, - 30611744);
c = md5_ii(c, d, a, b, x[i + 6], 15, - 1560198380);
b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i + 4], 6, - 145523070);
d = md5_ii(d, a, b, c, x[i + 11], 10, - 1120210379);
c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i + 9], 21, - 343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
if (mode == 16)
{
return Array(b, c);
}
else
{
return Array(a, b, c, d);
}
}
function md5_cmn(q, a, b, x, s, t)
{
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
}
function md5_ff(a, b, c, d, x, s, t)
{
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
function core_hmac_md5(key, data)
{
var bkey = str2binl(key);
if (bkey.length > 16)
bkey = core_md5(bkey, key.length * chrsz);
var ipad = Array(16), opad = Array(16);
for (var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = core_md5(ipad.concat(str2binl(data)), 512+data.length * chrsz);
return core_md5(opad.concat(hash), 512+128);
}
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
function bit_rol(num, cnt)
{
return (num << cnt) | (num >>> (32-cnt));
}
function str2binl(str)
{
var bin = Array();
var mask = (1 << chrsz) - 1;
for (var i = 0; i < str.length * chrsz; i += chrsz)
bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << (i % 32);
return bin;
}
function binl2str(bin)
{
var str = "";
var mask = (1 << chrsz) - 1;
for (var i = 0; i < bin.length * 32; i += chrsz)
str += String.fromCharCode((bin[i >> 5] >>> (i % 32)) & mask);
return str;
}
function binl2hex(binarray)
{
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for (var i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8+4)) & 0xF) +
hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8)) & 0xF);
}
return str;
}
function binl2b64(binarray)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
for (var i = 0; i < binarray.length * 4; i += 3)
{
var triplet = (((binarray[i >> 2] >> 8 * (i % 4)) & 0xFF) << 16) | ((
(binarray[i + 1 >> 2] >> 8 * ((i + 1) % 4)) & 0xFF) << 8) | ((binarray[i
+ 2 >> 2] >> 8 * ((i + 2) % 4)) & 0xFF);
for (var j = 0; j < 4; j++)
{
if (i * 8+j * 6 > binarray.length * 32)
str += b64pad;
else
str += tab.charAt((triplet >> 6 * (3-j)) & 0x3F);
}
}
return str;
}
