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.
280 lines
8.3 KiB
280 lines
8.3 KiB
/* |
|
* JavaScript MD5 |
|
* https://github.com/blueimp/JavaScript-MD5 |
|
* |
|
* Copyright 2011, Sebastian Tschan |
|
* https://blueimp.net |
|
* |
|
* Licensed under the MIT license: |
|
* https://opensource.org/licenses/MIT |
|
* |
|
* Based on |
|
* 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. |
|
*/ |
|
|
|
/* global define */ |
|
|
|
;(function ($) { |
|
'use strict' |
|
|
|
/* |
|
* Add integers, wrapping at 2^32. This uses 16-bit operations internally |
|
* to work around bugs in some JS interpreters. |
|
*/ |
|
function safeAdd (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 bitRotateLeft (num, cnt) { |
|
return (num << cnt) | (num >>> (32 - cnt)) |
|
} |
|
|
|
/* |
|
* These functions implement the four basic operations the algorithm uses. |
|
*/ |
|
function md5cmn (q, a, b, x, s, t) { |
|
return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b) |
|
} |
|
function md5ff (a, b, c, d, x, s, t) { |
|
return md5cmn((b & c) | (~b & d), a, b, x, s, t) |
|
} |
|
function md5gg (a, b, c, d, x, s, t) { |
|
return md5cmn((b & d) | (c & ~d), a, b, x, s, t) |
|
} |
|
function md5hh (a, b, c, d, x, s, t) { |
|
return md5cmn(b ^ c ^ d, a, b, x, s, t) |
|
} |
|
function md5ii (a, b, c, d, x, s, t) { |
|
return md5cmn(c ^ (b | ~d), a, b, x, s, t) |
|
} |
|
|
|
/* |
|
* Calculate the MD5 of an array of little-endian words, and a bit length. |
|
*/ |
|
function binlMD5 (x, len) { |
|
/* append padding */ |
|
x[len >> 5] |= 0x80 << (len % 32) |
|
x[((len + 64) >>> 9 << 4) + 14] = len |
|
|
|
var i |
|
var olda |
|
var oldb |
|
var oldc |
|
var oldd |
|
var a = 1732584193 |
|
var b = -271733879 |
|
var c = -1732584194 |
|
var d = 271733878 |
|
|
|
for (i = 0; i < x.length; i += 16) { |
|
olda = a |
|
oldb = b |
|
oldc = c |
|
oldd = d |
|
|
|
a = md5ff(a, b, c, d, x[i], 7, -680876936) |
|
d = md5ff(d, a, b, c, x[i + 1], 12, -389564586) |
|
c = md5ff(c, d, a, b, x[i + 2], 17, 606105819) |
|
b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330) |
|
a = md5ff(a, b, c, d, x[i + 4], 7, -176418897) |
|
d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426) |
|
c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341) |
|
b = md5ff(b, c, d, a, x[i + 7], 22, -45705983) |
|
a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416) |
|
d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417) |
|
c = md5ff(c, d, a, b, x[i + 10], 17, -42063) |
|
b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162) |
|
a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682) |
|
d = md5ff(d, a, b, c, x[i + 13], 12, -40341101) |
|
c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290) |
|
b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329) |
|
|
|
a = md5gg(a, b, c, d, x[i + 1], 5, -165796510) |
|
d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632) |
|
c = md5gg(c, d, a, b, x[i + 11], 14, 643717713) |
|
b = md5gg(b, c, d, a, x[i], 20, -373897302) |
|
a = md5gg(a, b, c, d, x[i + 5], 5, -701558691) |
|
d = md5gg(d, a, b, c, x[i + 10], 9, 38016083) |
|
c = md5gg(c, d, a, b, x[i + 15], 14, -660478335) |
|
b = md5gg(b, c, d, a, x[i + 4], 20, -405537848) |
|
a = md5gg(a, b, c, d, x[i + 9], 5, 568446438) |
|
d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690) |
|
c = md5gg(c, d, a, b, x[i + 3], 14, -187363961) |
|
b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501) |
|
a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467) |
|
d = md5gg(d, a, b, c, x[i + 2], 9, -51403784) |
|
c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473) |
|
b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734) |
|
|
|
a = md5hh(a, b, c, d, x[i + 5], 4, -378558) |
|
d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463) |
|
c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562) |
|
b = md5hh(b, c, d, a, x[i + 14], 23, -35309556) |
|
a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060) |
|
d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353) |
|
c = md5hh(c, d, a, b, x[i + 7], 16, -155497632) |
|
b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640) |
|
a = md5hh(a, b, c, d, x[i + 13], 4, 681279174) |
|
d = md5hh(d, a, b, c, x[i], 11, -358537222) |
|
c = md5hh(c, d, a, b, x[i + 3], 16, -722521979) |
|
b = md5hh(b, c, d, a, x[i + 6], 23, 76029189) |
|
a = md5hh(a, b, c, d, x[i + 9], 4, -640364487) |
|
d = md5hh(d, a, b, c, x[i + 12], 11, -421815835) |
|
c = md5hh(c, d, a, b, x[i + 15], 16, 530742520) |
|
b = md5hh(b, c, d, a, x[i + 2], 23, -995338651) |
|
|
|
a = md5ii(a, b, c, d, x[i], 6, -198630844) |
|
d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415) |
|
c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905) |
|
b = md5ii(b, c, d, a, x[i + 5], 21, -57434055) |
|
a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571) |
|
d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606) |
|
c = md5ii(c, d, a, b, x[i + 10], 15, -1051523) |
|
b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799) |
|
a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359) |
|
d = md5ii(d, a, b, c, x[i + 15], 10, -30611744) |
|
c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380) |
|
b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649) |
|
a = md5ii(a, b, c, d, x[i + 4], 6, -145523070) |
|
d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379) |
|
c = md5ii(c, d, a, b, x[i + 2], 15, 718787259) |
|
b = md5ii(b, c, d, a, x[i + 9], 21, -343485551) |
|
|
|
a = safeAdd(a, olda) |
|
b = safeAdd(b, oldb) |
|
c = safeAdd(c, oldc) |
|
d = safeAdd(d, oldd) |
|
} |
|
return [a, b, c, d] |
|
} |
|
|
|
/* |
|
* Convert an array of little-endian words to a string |
|
*/ |
|
function binl2rstr (input) { |
|
var i |
|
var output = '' |
|
var length32 = input.length * 32 |
|
for (i = 0; i < length32; i += 8) { |
|
output += String.fromCharCode((input[i >> 5] >>> (i % 32)) & 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 i |
|
var output = [] |
|
output[(input.length >> 2) - 1] = undefined |
|
for (i = 0; i < output.length; i += 1) { |
|
output[i] = 0 |
|
} |
|
var length8 = input.length * 8 |
|
for (i = 0; i < length8; i += 8) { |
|
output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << (i % 32) |
|
} |
|
return output |
|
} |
|
|
|
/* |
|
* Calculate the MD5 of a raw string |
|
*/ |
|
function rstrMD5 (s) { |
|
return binl2rstr(binlMD5(rstr2binl(s), s.length * 8)) |
|
} |
|
|
|
/* |
|
* Calculate the HMAC-MD5, of a key and some data (raw strings) |
|
*/ |
|
function rstrHMACMD5 (key, data) { |
|
var i |
|
var bkey = rstr2binl(key) |
|
var ipad = [] |
|
var opad = [] |
|
var hash |
|
ipad[15] = opad[15] = undefined |
|
if (bkey.length > 16) { |
|
bkey = binlMD5(bkey, key.length * 8) |
|
} |
|
for (i = 0; i < 16; i += 1) { |
|
ipad[i] = bkey[i] ^ 0x36363636 |
|
opad[i] = bkey[i] ^ 0x5c5c5c5c |
|
} |
|
hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8) |
|
return binl2rstr(binlMD5(opad.concat(hash), 512 + 128)) |
|
} |
|
|
|
/* |
|
* Convert a raw string to a hex string |
|
*/ |
|
function rstr2hex (input) { |
|
var hexTab = '0123456789abcdef' |
|
var output = '' |
|
var x |
|
var i |
|
for (i = 0; i < input.length; i += 1) { |
|
x = input.charCodeAt(i) |
|
output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f) |
|
} |
|
return output |
|
} |
|
|
|
/* |
|
* Encode a string as utf-8 |
|
*/ |
|
function str2rstrUTF8 (input) { |
|
return unescape(encodeURIComponent(input)) |
|
} |
|
|
|
/* |
|
* Take string arguments and return either raw or hex encoded strings |
|
*/ |
|
function rawMD5 (s) { |
|
return rstrMD5(str2rstrUTF8(s)) |
|
} |
|
function hexMD5 (s) { |
|
return rstr2hex(rawMD5(s)) |
|
} |
|
function rawHMACMD5 (k, d) { |
|
return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d)) |
|
} |
|
function hexHMACMD5 (k, d) { |
|
return rstr2hex(rawHMACMD5(k, d)) |
|
} |
|
|
|
function md5 (string, key, raw) { |
|
if (!key) { |
|
if (!raw) { |
|
return hexMD5(string) |
|
} |
|
return rawMD5(string) |
|
} |
|
if (!raw) { |
|
return hexHMACMD5(key, string) |
|
} |
|
return rawHMACMD5(key, string) |
|
} |
|
|
|
if (typeof define === 'function' && define.amd) { |
|
define(function () { |
|
return md5 |
|
}) |
|
} else if (typeof module === 'object' && module.exports) { |
|
module.exports = md5 |
|
} else { |
|
$.md5 = md5 |
|
} |
|
})(this)
|
|
|