274 lines
7.8 KiB
JavaScript
274 lines
7.8 KiB
JavaScript
|
/*
|
||
|
|
* JavaScript MD5
|
||
|
|
* https://github.com/blueimp/JavaScript-MD5
|
||
|
|
*
|
||
|
|
* Copyright 2011, Sebastian Tschan
|
||
|
|
* https://blueimp.net
|
||
|
|
*
|
||
|
|
* Licensed under the MIT license:
|
||
|
|
* http://www.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 unescape, define, module */
|
||
|
|
|
||
|
|
; (function ($) {
|
||
|
|
'use strict'
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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))
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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)
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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 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 = md5_ff(a, b, c, d, x[i], 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], 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], 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], 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 [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 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 i
|
||
|
|
var bkey = rstr2binl(key)
|
||
|
|
var ipad = []
|
||
|
|
var opad = []
|
||
|
|
var hash
|
||
|
|
ipad[15] = opad[15] = undefined
|
||
|
|
if (bkey.length > 16) {
|
||
|
|
bkey = binl_md5(bkey, key.length * 8)
|
||
|
|
}
|
||
|
|
for (i = 0; i < 16; i += 1) {
|
||
|
|
ipad[i] = bkey[i] ^ 0x36363636
|
||
|
|
opad[i] = bkey[i] ^ 0x5C5C5C5C
|
||
|
|
}
|
||
|
|
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) {
|
||
|
|
var hex_tab = '0123456789abcdef'
|
||
|
|
var output = ''
|
||
|
|
var x
|
||
|
|
var i
|
||
|
|
for (i = 0; i < input.length; i += 1) {
|
||
|
|
x = input.charCodeAt(i)
|
||
|
|
output += hex_tab.charAt((x >>> 4) & 0x0F) +
|
||
|
|
hex_tab.charAt(x & 0x0F)
|
||
|
|
}
|
||
|
|
return output
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Encode a string as utf-8
|
||
|
|
*/
|
||
|
|
function str2rstr_utf8(input) {
|
||
|
|
return unescape(encodeURIComponent(input))
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Take string arguments and return either raw or hex encoded strings
|
||
|
|
*/
|
||
|
|
function raw_md5(s) {
|
||
|
|
return rstr_md5(str2rstr_utf8(s))
|
||
|
|
}
|
||
|
|
function hex_md5(s) {
|
||
|
|
return rstr2hex(raw_md5(s))
|
||
|
|
}
|
||
|
|
function raw_hmac_md5(k, d) {
|
||
|
|
return rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))
|
||
|
|
}
|
||
|
|
function hex_hmac_md5(k, d) {
|
||
|
|
return rstr2hex(raw_hmac_md5(k, d))
|
||
|
|
}
|
||
|
|
|
||
|
|
function md5(string, key, raw) {
|
||
|
|
if (!key) {
|
||
|
|
if (!raw) {
|
||
|
|
return hex_md5(string)
|
||
|
|
}
|
||
|
|
return raw_md5(string)
|
||
|
|
}
|
||
|
|
if (!raw) {
|
||
|
|
return hex_hmac_md5(key, string)
|
||
|
|
}
|
||
|
|
return raw_hmac_md5(key, string)
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = md5;
|
||
|
|
}(this))
|