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/** 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.*/

functionsafeAdd (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.*/

functionbitRotateLeft (num, cnt) {return (num << cnt) | (num >>> (32 -cnt))

}/** These functions implement the four basic operations the algorithm uses.*/

functionmd5cmn (q, a, b, x, s, t) {returnsafeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b)

}functionmd5ff (a, b, c, d, x, s, t) {return md5cmn((b & c) | (~b &d), a, b, x, s, t)

}functionmd5gg (a, b, c, d, x, s, t) {return md5cmn((b & d) | (c & ~d), a, b, x, s, t)

}functionmd5hh (a, b, c, d, x, s, t) {return md5cmn(b ^ c ^d, a, b, x, s, t)

}functionmd5ii (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.*/

functionbinlMD5 (x, len) {/*append padding*/x[len>> 5] |= 0x80 << (len % 32)

x[((len+ 64) >>> 9 << 4) + 14] =lenvarivaroldavaroldbvaroldcvarolddvar 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*/

functionbinl2rstr (input) {varivar output = ‘‘

var length32 = input.length * 32

for (i = 0; i < length32; i += 8) {

output+= String.fromCharCode((input[i >> 5] >>> (i % 32)) & 0xff)

}returnoutput

}/** Convert a raw string to an array of little-endian words

* Characters >255 have their high-byte silently ignored.*/

functionrstr2binl (input) {varivar output =[]

output[(input.length>> 2) - 1] =undefinedfor (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)

}returnoutput

}/** Calculate the MD5 of a raw string*/

functionrstrMD5 (s) {return binl2rstr(binlMD5(rstr2binl(s), s.length * 8))

}/** Calculate the HMAC-MD5, of a key and some data (raw strings)*/

functionrstrHMACMD5 (key, data) {varivar bkey =rstr2binl(key)var ipad =[]var opad =[]varhash

ipad[15] = opad[15] =undefinedif (bkey.length > 16) {

bkey= binlMD5(bkey, key.length * 8)

}for (i = 0; i < 16; i += 1) {

ipad[i]= bkey[i] ^ 0x36363636opad[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*/

functionrstr2hex (input) {var hexTab = ‘0123456789abcdef‘

var output = ‘‘

varxvarifor (i = 0; i < input.length; i += 1) {

x=input.charCodeAt(i)

output+= hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f)

}returnoutput

}/** Encode a string as utf-8*/

functionstr2rstrUTF8 (input) {returnunescape(encodeURIComponent(input))

}/** Take string arguments and return either raw or hex encoded strings*/

functionrawMD5 (s) {returnrstrMD5(str2rstrUTF8(s))

}functionhexMD5 (s) {returnrstr2hex(rawMD5(s))

}functionrawHMACMD5 (k, d) {returnrstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d))

}functionhexHMACMD5 (k, d) {returnrstr2hex(rawHMACMD5(k, d))

}functionmd5 (string, key, raw) {if (!key) {if (!raw) {returnhexMD5(string)

}returnrawMD5(string)

}if (!raw) {returnhexHMACMD5(key, string)

}returnrawHMACMD5(key, string)

}if (typeof define === ‘function‘ &&define.amd) {

define(function() {returnmd5

})

}else if (typeof module === ‘object‘ &&module.exports) {

module.exports=md5

}else{

$.md5=md5

}

})(this)