You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
385 lines
12 KiB
385 lines
12 KiB
/*
|
|
* A JavaScript implementation of the RSA Data Security, Inc. MD5 message
|
|
* Digest Algorithm, as defined in RFC 1321.
|
|
* Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
|
|
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
|
|
* Distributed under the BSD License
|
|
* See http://pajhome.org.uk/crypt/md5 for more info.
|
|
*/
|
|
|
|
/*
|
|
* Configurable variables. You may need to tweak these to be compatible with
|
|
* the server-side, but the defaults work in most cases.
|
|
*/
|
|
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
|
|
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
|
|
|
|
/*
|
|
* These are the functions you'll usually want to call
|
|
* They take string arguments and return either hex or base-64 encoded strings
|
|
*/
|
|
function hex_md5(s) { return rstr2hex(rstr_md5(str2rstr_utf8(s))); }
|
|
function b64_md5(s) { return rstr2b64(rstr_md5(str2rstr_utf8(s))); }
|
|
function any_md5(s, e) { return rstr2any(rstr_md5(str2rstr_utf8(s)), e); }
|
|
function hex_hmac_md5(k, d)
|
|
{ return rstr2hex(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
|
|
function b64_hmac_md5(k, d)
|
|
{ return rstr2b64(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
|
|
function any_hmac_md5(k, d, e)
|
|
{ return rstr2any(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)), e); }
|
|
|
|
/*
|
|
* Perform a simple self-test to see if the VM is working
|
|
*/
|
|
function md5_vm_test()
|
|
{
|
|
return hex_md5("abc").toLowerCase() == "900150983cd24fb0d6963f7d28e17f72";
|
|
}
|
|
|
|
/*
|
|
* Calculate the MD5 of a raw string
|
|
*/
|
|
function rstr_md5(s)
|
|
{
|
|
return binl2rstr(binl_md5(rstr2binl(s), s.length * 8));
|
|
}
|
|
|
|
/*
|
|
* Calculate the HMAC-MD5, of a key and some data (raw strings)
|
|
*/
|
|
function rstr_hmac_md5(key, data)
|
|
{
|
|
var bkey = rstr2binl(key);
|
|
if(bkey.length > 16) bkey = binl_md5(bkey, key.length * 8);
|
|
|
|
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 = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
|
|
return binl2rstr(binl_md5(opad.concat(hash), 512 + 128));
|
|
}
|
|
|
|
/*
|
|
* Convert a raw string to a hex string
|
|
*/
|
|
function rstr2hex(input)
|
|
{
|
|
try { hexcase } catch(e) { hexcase=0; }
|
|
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
|
|
var output = "";
|
|
var x;
|
|
for(var i = 0; i < input.length; i++)
|
|
{
|
|
x = input.charCodeAt(i);
|
|
output += hex_tab.charAt((x >>> 4) & 0x0F)
|
|
+ hex_tab.charAt( x & 0x0F);
|
|
}
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Convert a raw string to a base-64 string
|
|
*/
|
|
function rstr2b64(input)
|
|
{
|
|
try { b64pad } catch(e) { b64pad=''; }
|
|
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
var output = "";
|
|
var len = input.length;
|
|
for(var i = 0; i < len; i += 3)
|
|
{
|
|
var triplet = (input.charCodeAt(i) << 16)
|
|
| (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
|
|
| (i + 2 < len ? input.charCodeAt(i+2) : 0);
|
|
for(var j = 0; j < 4; j++)
|
|
{
|
|
if(i * 8 + j * 6 > input.length * 8) output += b64pad;
|
|
else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
|
|
}
|
|
}
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Convert a raw string to an arbitrary string encoding
|
|
*/
|
|
function rstr2any(input, encoding)
|
|
{
|
|
var divisor = encoding.length;
|
|
var i, j, q, x, quotient;
|
|
|
|
/* Convert to an array of 16-bit big-endian values, forming the dividend */
|
|
var dividend = Array(Math.ceil(input.length / 2));
|
|
for(i = 0; i < dividend.length; i++)
|
|
{
|
|
dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
|
|
}
|
|
|
|
/*
|
|
* Repeatedly perform a long division. The binary array forms the dividend,
|
|
* the length of the encoding is the divisor. Once computed, the quotient
|
|
* forms the dividend for the next step. All remainders are stored for later
|
|
* use.
|
|
*/
|
|
var full_length = Math.ceil(input.length * 8 /
|
|
(Math.log(encoding.length) / Math.log(2)));
|
|
var remainders = Array(full_length);
|
|
for(j = 0; j < full_length; j++)
|
|
{
|
|
quotient = Array();
|
|
x = 0;
|
|
for(i = 0; i < dividend.length; i++)
|
|
{
|
|
x = (x << 16) + dividend[i];
|
|
q = Math.floor(x / divisor);
|
|
x -= q * divisor;
|
|
if(quotient.length > 0 || q > 0)
|
|
quotient[quotient.length] = q;
|
|
}
|
|
remainders[j] = x;
|
|
dividend = quotient;
|
|
}
|
|
|
|
/* Convert the remainders to the output string */
|
|
var output = "";
|
|
for(i = remainders.length - 1; i >= 0; i--)
|
|
output += encoding.charAt(remainders[i]);
|
|
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Encode a string as utf-8.
|
|
* For efficiency, this assumes the input is valid utf-16.
|
|
*/
|
|
function str2rstr_utf8(input)
|
|
{
|
|
var output = "";
|
|
var i = -1;
|
|
var x, y;
|
|
|
|
while(++i < input.length)
|
|
{
|
|
/* Decode utf-16 surrogate pairs */
|
|
x = input.charCodeAt(i);
|
|
y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
|
|
if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
|
|
{
|
|
x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
|
|
i++;
|
|
}
|
|
|
|
/* Encode output as utf-8 */
|
|
if(x <= 0x7F)
|
|
output += String.fromCharCode(x);
|
|
else if(x <= 0x7FF)
|
|
output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
|
|
0x80 | ( x & 0x3F));
|
|
else if(x <= 0xFFFF)
|
|
output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
|
|
0x80 | ((x >>> 6 ) & 0x3F),
|
|
0x80 | ( x & 0x3F));
|
|
else if(x <= 0x1FFFFF)
|
|
output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
|
|
0x80 | ((x >>> 12) & 0x3F),
|
|
0x80 | ((x >>> 6 ) & 0x3F),
|
|
0x80 | ( x & 0x3F));
|
|
}
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Encode a string as utf-16
|
|
*/
|
|
function str2rstr_utf16le(input)
|
|
{
|
|
var output = "";
|
|
for(var i = 0; i < input.length; i++)
|
|
output += String.fromCharCode( input.charCodeAt(i) & 0xFF,
|
|
(input.charCodeAt(i) >>> 8) & 0xFF);
|
|
return output;
|
|
}
|
|
|
|
function str2rstr_utf16be(input)
|
|
{
|
|
var output = "";
|
|
for(var i = 0; i < input.length; i++)
|
|
output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
|
|
input.charCodeAt(i) & 0xFF);
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Convert a raw string to an array of little-endian words
|
|
* Characters >255 have their high-byte silently ignored.
|
|
*/
|
|
function rstr2binl(input)
|
|
{
|
|
var output = Array(input.length >> 2);
|
|
for(var i = 0; i < output.length; i++)
|
|
output[i] = 0;
|
|
for(var i = 0; i < input.length * 8; i += 8)
|
|
output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (i%32);
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Convert an array of little-endian words to a string
|
|
*/
|
|
function binl2rstr(input)
|
|
{
|
|
var output = "";
|
|
for(var i = 0; i < input.length * 32; i += 8)
|
|
output += String.fromCharCode((input[i>>5] >>> (i % 32)) & 0xFF);
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Calculate the MD5 of an array of little-endian words, and a bit length.
|
|
*/
|
|
function binl_md5(x, len)
|
|
{
|
|
/* append padding */
|
|
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);
|
|
}
|
|
return Array(a, b, c, d);
|
|
}
|
|
|
|
/*
|
|
* These functions implement the four basic operations the algorithm uses.
|
|
*/
|
|
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);
|
|
}
|
|
|
|
/*
|
|
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
|
|
* to work around bugs in some JS interpreters.
|
|
*/
|
|
function safe_add(x, y)
|
|
{
|
|
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
|
|
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
|
|
return (msw << 16) | (lsw & 0xFFFF);
|
|
}
|
|
|
|
/*
|
|
* Bitwise rotate a 32-bit number to the left.
|
|
*/
|
|
function bit_rol(num, cnt)
|
|
{
|
|
return (num << cnt) | (num >>> (32 - cnt));
|
|
}
|
|
|
|
export default {
|
|
md5 : function(str){
|
|
return hex_md5(str);
|
|
}
|
|
}
|