<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
<script src="core.js"></script>
<script src="cipher-core.js"></script>
<script src="aes.js"></script>
<script src="tripledes.js"></script>
<script src="enc-base64.js"></script>
<script src="script.js"></script>
</head>
<body>
<h1>Hello Plunker!</h1>
</body>
</html>
var text = "#rawString#";
var key = CryptoJS.enc.Base64.parse("#base64Key#");
var iv = CryptoJS.enc.Base64.parse("#base64IV#");
console.log("Initial String:: "+text);
var encrypted = CryptoJS.AES.encrypt(text, key, {iv: iv});
console.log("Encrypted String:: "+encrypted.toString());
var decrypted = CryptoJS.AES.decrypt(encrypted, key, {iv: iv});
console.log("Decrypted String:: "+decrypted.toString(CryptoJS.enc.Utf8));
/* Styles go here */
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var BlockCipher = C_lib.BlockCipher;
var C_algo = C.algo;
// Lookup tables
var SBOX = [];
var INV_SBOX = [];
var SUB_MIX_0 = [];
var SUB_MIX_1 = [];
var SUB_MIX_2 = [];
var SUB_MIX_3 = [];
var INV_SUB_MIX_0 = [];
var INV_SUB_MIX_1 = [];
var INV_SUB_MIX_2 = [];
var INV_SUB_MIX_3 = [];
// Compute lookup tables
(function () {
// Compute double table
var d = [];
for (var i = 0; i < 256; i++) {
if (i < 128) {
d[i] = i << 1;
} else {
d[i] = (i << 1) ^ 0x11b;
}
}
// Walk GF(2^8)
var x = 0;
var xi = 0;
for (var i = 0; i < 256; i++) {
// Compute sbox
var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);
sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;
SBOX[x] = sx;
INV_SBOX[sx] = x;
// Compute multiplication
var x2 = d[x];
var x4 = d[x2];
var x8 = d[x4];
// Compute sub bytes, mix columns tables
var t = (d[sx] * 0x101) ^ (sx * 0x1010100);
SUB_MIX_0[x] = (t << 24) | (t >>> 8);
SUB_MIX_1[x] = (t << 16) | (t >>> 16);
SUB_MIX_2[x] = (t << 8) | (t >>> 24);
SUB_MIX_3[x] = t;
// Compute inv sub bytes, inv mix columns tables
var t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);
INV_SUB_MIX_0[sx] = (t << 24) | (t >>> 8);
INV_SUB_MIX_1[sx] = (t << 16) | (t >>> 16);
INV_SUB_MIX_2[sx] = (t << 8) | (t >>> 24);
INV_SUB_MIX_3[sx] = t;
// Compute next counter
if (!x) {
x = xi = 1;
} else {
x = x2 ^ d[d[d[x8 ^ x2]]];
xi ^= d[d[xi]];
}
}
}());
// Precomputed Rcon lookup
var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];
/**
* AES block cipher algorithm.
*/
var AES = C_algo.AES = BlockCipher.extend({
_doReset: function () {
// Skip reset of nRounds has been set before and key did not change
if (this._nRounds && this._keyPriorReset === this._key) {
return;
}
// Shortcuts
var key = this._keyPriorReset = this._key;
var keyWords = key.words;
var keySize = key.sigBytes / 4;
// Compute number of rounds
var nRounds = this._nRounds = keySize + 6;
// Compute number of key schedule rows
var ksRows = (nRounds + 1) * 4;
// Compute key schedule
var keySchedule = this._keySchedule = [];
for (var ksRow = 0; ksRow < ksRows; ksRow++) {
if (ksRow < keySize) {
keySchedule[ksRow] = keyWords[ksRow];
} else {
var t = keySchedule[ksRow - 1];
if (!(ksRow % keySize)) {
// Rot word
t = (t << 8) | (t >>> 24);
// Sub word
t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff];
// Mix Rcon
t ^= RCON[(ksRow / keySize) | 0] << 24;
} else if (keySize > 6 && ksRow % keySize == 4) {
// Sub word
t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff];
}
keySchedule[ksRow] = keySchedule[ksRow - keySize] ^ t;
}
}
// Compute inv key schedule
var invKeySchedule = this._invKeySchedule = [];
for (var invKsRow = 0; invKsRow < ksRows; invKsRow++) {
var ksRow = ksRows - invKsRow;
if (invKsRow % 4) {
var t = keySchedule[ksRow];
} else {
var t = keySchedule[ksRow - 4];
}
if (invKsRow < 4 || ksRow <= 4) {
invKeySchedule[invKsRow] = t;
} else {
invKeySchedule[invKsRow] = INV_SUB_MIX_0[SBOX[t >>> 24]] ^ INV_SUB_MIX_1[SBOX[(t >>> 16) & 0xff]] ^
INV_SUB_MIX_2[SBOX[(t >>> 8) & 0xff]] ^ INV_SUB_MIX_3[SBOX[t & 0xff]];
}
}
},
encryptBlock: function (M, offset) {
this._doCryptBlock(M, offset, this._keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX);
},
decryptBlock: function (M, offset) {
// Swap 2nd and 4th rows
var t = M[offset + 1];
M[offset + 1] = M[offset + 3];
M[offset + 3] = t;
this._doCryptBlock(M, offset, this._invKeySchedule, INV_SUB_MIX_0, INV_SUB_MIX_1, INV_SUB_MIX_2, INV_SUB_MIX_3, INV_SBOX);
// Inv swap 2nd and 4th rows
var t = M[offset + 1];
M[offset + 1] = M[offset + 3];
M[offset + 3] = t;
},
_doCryptBlock: function (M, offset, keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX) {
// Shortcut
var nRounds = this._nRounds;
// Get input, add round key
var s0 = M[offset] ^ keySchedule[0];
var s1 = M[offset + 1] ^ keySchedule[1];
var s2 = M[offset + 2] ^ keySchedule[2];
var s3 = M[offset + 3] ^ keySchedule[3];
// Key schedule row counter
var ksRow = 4;
// Rounds
for (var round = 1; round < nRounds; round++) {
// Shift rows, sub bytes, mix columns, add round key
var t0 = SUB_MIX_0[s0 >>> 24] ^ SUB_MIX_1[(s1 >>> 16) & 0xff] ^ SUB_MIX_2[(s2 >>> 8) & 0xff] ^ SUB_MIX_3[s3 & 0xff] ^ keySchedule[ksRow++];
var t1 = SUB_MIX_0[s1 >>> 24] ^ SUB_MIX_1[(s2 >>> 16) & 0xff] ^ SUB_MIX_2[(s3 >>> 8) & 0xff] ^ SUB_MIX_3[s0 & 0xff] ^ keySchedule[ksRow++];
var t2 = SUB_MIX_0[s2 >>> 24] ^ SUB_MIX_1[(s3 >>> 16) & 0xff] ^ SUB_MIX_2[(s0 >>> 8) & 0xff] ^ SUB_MIX_3[s1 & 0xff] ^ keySchedule[ksRow++];
var t3 = SUB_MIX_0[s3 >>> 24] ^ SUB_MIX_1[(s0 >>> 16) & 0xff] ^ SUB_MIX_2[(s1 >>> 8) & 0xff] ^ SUB_MIX_3[s2 & 0xff] ^ keySchedule[ksRow++];
// Update state
s0 = t0;
s1 = t1;
s2 = t2;
s3 = t3;
}
// Shift rows, sub bytes, add round key
var t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++];
var t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++];
var t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++];
var t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++];
// Set output
M[offset] = t0;
M[offset + 1] = t1;
M[offset + 2] = t2;
M[offset + 3] = t3;
},
keySize: 256/32
});
/**
* Shortcut functions to the cipher's object interface.
*
* @example
*
* var ciphertext = CryptoJS.AES.encrypt(message, key, cfg);
* var plaintext = CryptoJS.AES.decrypt(ciphertext, key, cfg);
*/
C.AES = BlockCipher._createHelper(AES);
}());
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var C_enc = C.enc;
/**
* Base64 encoding strategy.
*/
var Base64 = C_enc.Base64 = {
/**
* Converts a word array to a Base64 string.
*
* @param {WordArray} wordArray The word array.
*
* @return {string} The Base64 string.
*
* @static
*
* @example
*
* var base64String = CryptoJS.enc.Base64.stringify(wordArray);
*/
stringify: function (wordArray) {
// Shortcuts
var words = wordArray.words;
var sigBytes = wordArray.sigBytes;
var map = this._map;
// Clamp excess bits
wordArray.clamp();
// Convert
var base64Chars = [];
for (var i = 0; i < sigBytes; i += 3) {
var byte1 = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
var byte2 = (words[(i + 1) >>> 2] >>> (24 - ((i + 1) % 4) * 8)) & 0xff;
var byte3 = (words[(i + 2) >>> 2] >>> (24 - ((i + 2) % 4) * 8)) & 0xff;
var triplet = (byte1 << 16) | (byte2 << 8) | byte3;
for (var j = 0; (j < 4) && (i + j * 0.75 < sigBytes); j++) {
base64Chars.push(map.charAt((triplet >>> (6 * (3 - j))) & 0x3f));
}
}
// Add padding
var paddingChar = map.charAt(64);
if (paddingChar) {
while (base64Chars.length % 4) {
base64Chars.push(paddingChar);
}
}
return base64Chars.join('');
},
/**
* Converts a Base64 string to a word array.
*
* @param {string} base64Str The Base64 string.
*
* @return {WordArray} The word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.enc.Base64.parse(base64String);
*/
parse: function (base64Str) {
// Shortcuts
var base64StrLength = base64Str.length;
var map = this._map;
var reverseMap = this._reverseMap;
if (!reverseMap) {
reverseMap = this._reverseMap = [];
for (var j = 0; j < map.length; j++) {
reverseMap[map.charCodeAt(j)] = j;
}
}
// Ignore padding
var paddingChar = map.charAt(64);
if (paddingChar) {
var paddingIndex = base64Str.indexOf(paddingChar);
if (paddingIndex !== -1) {
base64StrLength = paddingIndex;
}
}
// Convert
return parseLoop(base64Str, base64StrLength, reverseMap);
},
_map: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='
};
function parseLoop(base64Str, base64StrLength, reverseMap) {
var words = [];
var nBytes = 0;
for (var i = 0; i < base64StrLength; i++) {
if (i % 4) {
var bits1 = reverseMap[base64Str.charCodeAt(i - 1)] << ((i % 4) * 2);
var bits2 = reverseMap[base64Str.charCodeAt(i)] >>> (6 - (i % 4) * 2);
words[nBytes >>> 2] |= (bits1 | bits2) << (24 - (nBytes % 4) * 8);
nBytes++;
}
}
return WordArray.create(words, nBytes);
}
}());
/**
* CryptoJS core components.
*/
var CryptoJS = CryptoJS || (function (Math, undefined) {
/*
* Local polyfil of Object.create
*/
var create = Object.create || (function () {
function F() {};
return function (obj) {
var subtype;
F.prototype = obj;
subtype = new F();
F.prototype = null;
return subtype;
};
}())
/**
* CryptoJS namespace.
*/
var C = {};
/**
* Library namespace.
*/
var C_lib = C.lib = {};
/**
* Base object for prototypal inheritance.
*/
var Base = C_lib.Base = (function () {
return {
/**
* Creates a new object that inherits from this object.
*
* @param {Object} overrides Properties to copy into the new object.
*
* @return {Object} The new object.
*
* @static
*
* @example
*
* var MyType = CryptoJS.lib.Base.extend({
* field: 'value',
*
* method: function () {
* }
* });
*/
extend: function (overrides) {
// Spawn
var subtype = create(this);
// Augment
if (overrides) {
subtype.mixIn(overrides);
}
// Create default initializer
if (!subtype.hasOwnProperty('init') || this.init === subtype.init) {
subtype.init = function () {
subtype.$super.init.apply(this, arguments);
};
}
// Initializer's prototype is the subtype object
subtype.init.prototype = subtype;
// Reference supertype
subtype.$super = this;
return subtype;
},
/**
* Extends this object and runs the init method.
* Arguments to create() will be passed to init().
*
* @return {Object} The new object.
*
* @static
*
* @example
*
* var instance = MyType.create();
*/
create: function () {
var instance = this.extend();
instance.init.apply(instance, arguments);
return instance;
},
/**
* Initializes a newly created object.
* Override this method to add some logic when your objects are created.
*
* @example
*
* var MyType = CryptoJS.lib.Base.extend({
* init: function () {
* // ...
* }
* });
*/
init: function () {
},
/**
* Copies properties into this object.
*
* @param {Object} properties The properties to mix in.
*
* @example
*
* MyType.mixIn({
* field: 'value'
* });
*/
mixIn: function (properties) {
for (var propertyName in properties) {
if (properties.hasOwnProperty(propertyName)) {
this[propertyName] = properties[propertyName];
}
}
// IE won't copy toString using the loop above
if (properties.hasOwnProperty('toString')) {
this.toString = properties.toString;
}
},
/**
* Creates a copy of this object.
*
* @return {Object} The clone.
*
* @example
*
* var clone = instance.clone();
*/
clone: function () {
return this.init.prototype.extend(this);
}
};
}());
/**
* An array of 32-bit words.
*
* @property {Array} words The array of 32-bit words.
* @property {number} sigBytes The number of significant bytes in this word array.
*/
var WordArray = C_lib.WordArray = Base.extend({
/**
* Initializes a newly created word array.
*
* @param {Array} words (Optional) An array of 32-bit words.
* @param {number} sigBytes (Optional) The number of significant bytes in the words.
*
* @example
*
* var wordArray = CryptoJS.lib.WordArray.create();
* var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607]);
* var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607], 6);
*/
init: function (words, sigBytes) {
words = this.words = words || [];
if (sigBytes != undefined) {
this.sigBytes = sigBytes;
} else {
this.sigBytes = words.length * 4;
}
},
/**
* Converts this word array to a string.
*
* @param {Encoder} encoder (Optional) The encoding strategy to use. Default: CryptoJS.enc.Hex
*
* @return {string} The stringified word array.
*
* @example
*
* var string = wordArray + '';
* var string = wordArray.toString();
* var string = wordArray.toString(CryptoJS.enc.Utf8);
*/
toString: function (encoder) {
return (encoder || Hex).stringify(this);
},
/**
* Concatenates a word array to this word array.
*
* @param {WordArray} wordArray The word array to append.
*
* @return {WordArray} This word array.
*
* @example
*
* wordArray1.concat(wordArray2);
*/
concat: function (wordArray) {
// Shortcuts
var thisWords = this.words;
var thatWords = wordArray.words;
var thisSigBytes = this.sigBytes;
var thatSigBytes = wordArray.sigBytes;
// Clamp excess bits
this.clamp();
// Concat
if (thisSigBytes % 4) {
// Copy one byte at a time
for (var i = 0; i < thatSigBytes; i++) {
var thatByte = (thatWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
thisWords[(thisSigBytes + i) >>> 2] |= thatByte << (24 - ((thisSigBytes + i) % 4) * 8);
}
} else {
// Copy one word at a time
for (var i = 0; i < thatSigBytes; i += 4) {
thisWords[(thisSigBytes + i) >>> 2] = thatWords[i >>> 2];
}
}
this.sigBytes += thatSigBytes;
// Chainable
return this;
},
/**
* Removes insignificant bits.
*
* @example
*
* wordArray.clamp();
*/
clamp: function () {
// Shortcuts
var words = this.words;
var sigBytes = this.sigBytes;
// Clamp
words[sigBytes >>> 2] &= 0xffffffff << (32 - (sigBytes % 4) * 8);
words.length = Math.ceil(sigBytes / 4);
},
/**
* Creates a copy of this word array.
*
* @return {WordArray} The clone.
*
* @example
*
* var clone = wordArray.clone();
*/
clone: function () {
var clone = Base.clone.call(this);
clone.words = this.words.slice(0);
return clone;
},
/**
* Creates a word array filled with random bytes.
*
* @param {number} nBytes The number of random bytes to generate.
*
* @return {WordArray} The random word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.lib.WordArray.random(16);
*/
random: function (nBytes) {
var words = [];
var r = (function (m_w) {
var m_w = m_w;
var m_z = 0x3ade68b1;
var mask = 0xffffffff;
return function () {
m_z = (0x9069 * (m_z & 0xFFFF) + (m_z >> 0x10)) & mask;
m_w = (0x4650 * (m_w & 0xFFFF) + (m_w >> 0x10)) & mask;
var result = ((m_z << 0x10) + m_w) & mask;
result /= 0x100000000;
result += 0.5;
return result * (Math.random() > .5 ? 1 : -1);
}
});
for (var i = 0, rcache; i < nBytes; i += 4) {
var _r = r((rcache || Math.random()) * 0x100000000);
rcache = _r() * 0x3ade67b7;
words.push((_r() * 0x100000000) | 0);
}
return new WordArray.init(words, nBytes);
}
});
/**
* Encoder namespace.
*/
var C_enc = C.enc = {};
/**
* Hex encoding strategy.
*/
var Hex = C_enc.Hex = {
/**
* Converts a word array to a hex string.
*
* @param {WordArray} wordArray The word array.
*
* @return {string} The hex string.
*
* @static
*
* @example
*
* var hexString = CryptoJS.enc.Hex.stringify(wordArray);
*/
stringify: function (wordArray) {
// Shortcuts
var words = wordArray.words;
var sigBytes = wordArray.sigBytes;
// Convert
var hexChars = [];
for (var i = 0; i < sigBytes; i++) {
var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
hexChars.push((bite >>> 4).toString(16));
hexChars.push((bite & 0x0f).toString(16));
}
return hexChars.join('');
},
/**
* Converts a hex string to a word array.
*
* @param {string} hexStr The hex string.
*
* @return {WordArray} The word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.enc.Hex.parse(hexString);
*/
parse: function (hexStr) {
// Shortcut
var hexStrLength = hexStr.length;
// Convert
var words = [];
for (var i = 0; i < hexStrLength; i += 2) {
words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4);
}
return new WordArray.init(words, hexStrLength / 2);
}
};
/**
* Latin1 encoding strategy.
*/
var Latin1 = C_enc.Latin1 = {
/**
* Converts a word array to a Latin1 string.
*
* @param {WordArray} wordArray The word array.
*
* @return {string} The Latin1 string.
*
* @static
*
* @example
*
* var latin1String = CryptoJS.enc.Latin1.stringify(wordArray);
*/
stringify: function (wordArray) {
// Shortcuts
var words = wordArray.words;
var sigBytes = wordArray.sigBytes;
// Convert
var latin1Chars = [];
for (var i = 0; i < sigBytes; i++) {
var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
latin1Chars.push(String.fromCharCode(bite));
}
return latin1Chars.join('');
},
/**
* Converts a Latin1 string to a word array.
*
* @param {string} latin1Str The Latin1 string.
*
* @return {WordArray} The word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.enc.Latin1.parse(latin1String);
*/
parse: function (latin1Str) {
// Shortcut
var latin1StrLength = latin1Str.length;
// Convert
var words = [];
for (var i = 0; i < latin1StrLength; i++) {
words[i >>> 2] |= (latin1Str.charCodeAt(i) & 0xff) << (24 - (i % 4) * 8);
}
return new WordArray.init(words, latin1StrLength);
}
};
/**
* UTF-8 encoding strategy.
*/
var Utf8 = C_enc.Utf8 = {
/**
* Converts a word array to a UTF-8 string.
*
* @param {WordArray} wordArray The word array.
*
* @return {string} The UTF-8 string.
*
* @static
*
* @example
*
* var utf8String = CryptoJS.enc.Utf8.stringify(wordArray);
*/
stringify: function (wordArray) {
try {
return decodeURIComponent(escape(Latin1.stringify(wordArray)));
} catch (e) {
throw new Error('Malformed UTF-8 data');
}
},
/**
* Converts a UTF-8 string to a word array.
*
* @param {string} utf8Str The UTF-8 string.
*
* @return {WordArray} The word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.enc.Utf8.parse(utf8String);
*/
parse: function (utf8Str) {
return Latin1.parse(unescape(encodeURIComponent(utf8Str)));
}
};
/**
* Abstract buffered block algorithm template.
*
* The property blockSize must be implemented in a concrete subtype.
*
* @property {number} _minBufferSize The number of blocks that should be kept unprocessed in the buffer. Default: 0
*/
var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm = Base.extend({
/**
* Resets this block algorithm's data buffer to its initial state.
*
* @example
*
* bufferedBlockAlgorithm.reset();
*/
reset: function () {
// Initial values
this._data = new WordArray.init();
this._nDataBytes = 0;
},
/**
* Adds new data to this block algorithm's buffer.
*
* @param {WordArray|string} data The data to append. Strings are converted to a WordArray using UTF-8.
*
* @example
*
* bufferedBlockAlgorithm._append('data');
* bufferedBlockAlgorithm._append(wordArray);
*/
_append: function (data) {
// Convert string to WordArray, else assume WordArray already
if (typeof data == 'string') {
data = Utf8.parse(data);
}
// Append
this._data.concat(data);
this._nDataBytes += data.sigBytes;
},
/**
* Processes available data blocks.
*
* This method invokes _doProcessBlock(offset), which must be implemented by a concrete subtype.
*
* @param {boolean} doFlush Whether all blocks and partial blocks should be processed.
*
* @return {WordArray} The processed data.
*
* @example
*
* var processedData = bufferedBlockAlgorithm._process();
* var processedData = bufferedBlockAlgorithm._process(!!'flush');
*/
_process: function (doFlush) {
// Shortcuts
var data = this._data;
var dataWords = data.words;
var dataSigBytes = data.sigBytes;
var blockSize = this.blockSize;
var blockSizeBytes = blockSize * 4;
// Count blocks ready
var nBlocksReady = dataSigBytes / blockSizeBytes;
if (doFlush) {
// Round up to include partial blocks
nBlocksReady = Math.ceil(nBlocksReady);
} else {
// Round down to include only full blocks,
// less the number of blocks that must remain in the buffer
nBlocksReady = Math.max((nBlocksReady | 0) - this._minBufferSize, 0);
}
// Count words ready
var nWordsReady = nBlocksReady * blockSize;
// Count bytes ready
var nBytesReady = Math.min(nWordsReady * 4, dataSigBytes);
// Process blocks
if (nWordsReady) {
for (var offset = 0; offset < nWordsReady; offset += blockSize) {
// Perform concrete-algorithm logic
this._doProcessBlock(dataWords, offset);
}
// Remove processed words
var processedWords = dataWords.splice(0, nWordsReady);
data.sigBytes -= nBytesReady;
}
// Return processed words
return new WordArray.init(processedWords, nBytesReady);
},
/**
* Creates a copy of this object.
*
* @return {Object} The clone.
*
* @example
*
* var clone = bufferedBlockAlgorithm.clone();
*/
clone: function () {
var clone = Base.clone.call(this);
clone._data = this._data.clone();
return clone;
},
_minBufferSize: 0
});
/**
* Abstract hasher template.
*
* @property {number} blockSize The number of 32-bit words this hasher operates on. Default: 16 (512 bits)
*/
var Hasher = C_lib.Hasher = BufferedBlockAlgorithm.extend({
/**
* Configuration options.
*/
cfg: Base.extend(),
/**
* Initializes a newly created hasher.
*
* @param {Object} cfg (Optional) The configuration options to use for this hash computation.
*
* @example
*
* var hasher = CryptoJS.algo.SHA256.create();
*/
init: function (cfg) {
// Apply config defaults
this.cfg = this.cfg.extend(cfg);
// Set initial values
this.reset();
},
/**
* Resets this hasher to its initial state.
*
* @example
*
* hasher.reset();
*/
reset: function () {
// Reset data buffer
BufferedBlockAlgorithm.reset.call(this);
// Perform concrete-hasher logic
this._doReset();
},
/**
* Updates this hasher with a message.
*
* @param {WordArray|string} messageUpdate The message to append.
*
* @return {Hasher} This hasher.
*
* @example
*
* hasher.update('message');
* hasher.update(wordArray);
*/
update: function (messageUpdate) {
// Append
this._append(messageUpdate);
// Update the hash
this._process();
// Chainable
return this;
},
/**
* Finalizes the hash computation.
* Note that the finalize operation is effectively a destructive, read-once operation.
*
* @param {WordArray|string} messageUpdate (Optional) A final message update.
*
* @return {WordArray} The hash.
*
* @example
*
* var hash = hasher.finalize();
* var hash = hasher.finalize('message');
* var hash = hasher.finalize(wordArray);
*/
finalize: function (messageUpdate) {
// Final message update
if (messageUpdate) {
this._append(messageUpdate);
}
// Perform concrete-hasher logic
var hash = this._doFinalize();
return hash;
},
blockSize: 512/32,
/**
* Creates a shortcut function to a hasher's object interface.
*
* @param {Hasher} hasher The hasher to create a helper for.
*
* @return {Function} The shortcut function.
*
* @static
*
* @example
*
* var SHA256 = CryptoJS.lib.Hasher._createHelper(CryptoJS.algo.SHA256);
*/
_createHelper: function (hasher) {
return function (message, cfg) {
return new hasher.init(cfg).finalize(message);
};
},
/**
* Creates a shortcut function to the HMAC's object interface.
*
* @param {Hasher} hasher The hasher to use in this HMAC helper.
*
* @return {Function} The shortcut function.
*
* @static
*
* @example
*
* var HmacSHA256 = CryptoJS.lib.Hasher._createHmacHelper(CryptoJS.algo.SHA256);
*/
_createHmacHelper: function (hasher) {
return function (message, key) {
return new C_algo.HMAC.init(hasher, key).finalize(message);
};
}
});
/**
* Algorithm namespace.
*/
var C_algo = C.algo = {};
return C;
}(Math));
/**
* Cipher core components.
*/
CryptoJS.lib.Cipher || (function (undefined) {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var Base = C_lib.Base;
var WordArray = C_lib.WordArray;
var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm;
var C_enc = C.enc;
var Utf8 = C_enc.Utf8;
var Base64 = C_enc.Base64;
var C_algo = C.algo;
var EvpKDF = C_algo.EvpKDF;
/**
* Abstract base cipher template.
*
* @property {number} keySize This cipher's key size. Default: 4 (128 bits)
* @property {number} ivSize This cipher's IV size. Default: 4 (128 bits)
* @property {number} _ENC_XFORM_MODE A constant representing encryption mode.
* @property {number} _DEC_XFORM_MODE A constant representing decryption mode.
*/
var Cipher = C_lib.Cipher = BufferedBlockAlgorithm.extend({
/**
* Configuration options.
*
* @property {WordArray} iv The IV to use for this operation.
*/
cfg: Base.extend(),
/**
* Creates this cipher in encryption mode.
*
* @param {WordArray} key The key.
* @param {Object} cfg (Optional) The configuration options to use for this operation.
*
* @return {Cipher} A cipher instance.
*
* @static
*
* @example
*
* var cipher = CryptoJS.algo.AES.createEncryptor(keyWordArray, { iv: ivWordArray });
*/
createEncryptor: function (key, cfg) {
return this.create(this._ENC_XFORM_MODE, key, cfg);
},
/**
* Creates this cipher in decryption mode.
*
* @param {WordArray} key The key.
* @param {Object} cfg (Optional) The configuration options to use for this operation.
*
* @return {Cipher} A cipher instance.
*
* @static
*
* @example
*
* var cipher = CryptoJS.algo.AES.createDecryptor(keyWordArray, { iv: ivWordArray });
*/
createDecryptor: function (key, cfg) {
return this.create(this._DEC_XFORM_MODE, key, cfg);
},
/**
* Initializes a newly created cipher.
*
* @param {number} xformMode Either the encryption or decryption transormation mode constant.
* @param {WordArray} key The key.
* @param {Object} cfg (Optional) The configuration options to use for this operation.
*
* @example
*
* var cipher = CryptoJS.algo.AES.create(CryptoJS.algo.AES._ENC_XFORM_MODE, keyWordArray, { iv: ivWordArray });
*/
init: function (xformMode, key, cfg) {
// Apply config defaults
this.cfg = this.cfg.extend(cfg);
// Store transform mode and key
this._xformMode = xformMode;
this._key = key;
// Set initial values
this.reset();
},
/**
* Resets this cipher to its initial state.
*
* @example
*
* cipher.reset();
*/
reset: function () {
// Reset data buffer
BufferedBlockAlgorithm.reset.call(this);
// Perform concrete-cipher logic
this._doReset();
},
/**
* Adds data to be encrypted or decrypted.
*
* @param {WordArray|string} dataUpdate The data to encrypt or decrypt.
*
* @return {WordArray} The data after processing.
*
* @example
*
* var encrypted = cipher.process('data');
* var encrypted = cipher.process(wordArray);
*/
process: function (dataUpdate) {
// Append
this._append(dataUpdate);
// Process available blocks
return this._process();
},
/**
* Finalizes the encryption or decryption process.
* Note that the finalize operation is effectively a destructive, read-once operation.
*
* @param {WordArray|string} dataUpdate The final data to encrypt or decrypt.
*
* @return {WordArray} The data after final processing.
*
* @example
*
* var encrypted = cipher.finalize();
* var encrypted = cipher.finalize('data');
* var encrypted = cipher.finalize(wordArray);
*/
finalize: function (dataUpdate) {
// Final data update
if (dataUpdate) {
this._append(dataUpdate);
}
// Perform concrete-cipher logic
var finalProcessedData = this._doFinalize();
return finalProcessedData;
},
keySize: 128/32,
ivSize: 128/32,
_ENC_XFORM_MODE: 1,
_DEC_XFORM_MODE: 2,
/**
* Creates shortcut functions to a cipher's object interface.
*
* @param {Cipher} cipher The cipher to create a helper for.
*
* @return {Object} An object with encrypt and decrypt shortcut functions.
*
* @static
*
* @example
*
* var AES = CryptoJS.lib.Cipher._createHelper(CryptoJS.algo.AES);
*/
_createHelper: (function () {
function selectCipherStrategy(key) {
if (typeof key == 'string') {
return PasswordBasedCipher;
} else {
return SerializableCipher;
}
}
return function (cipher) {
return {
encrypt: function (message, key, cfg) {
return selectCipherStrategy(key).encrypt(cipher, message, key, cfg);
},
decrypt: function (ciphertext, key, cfg) {
return selectCipherStrategy(key).decrypt(cipher, ciphertext, key, cfg);
}
};
};
}())
});
/**
* Abstract base stream cipher template.
*
* @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 1 (32 bits)
*/
var StreamCipher = C_lib.StreamCipher = Cipher.extend({
_doFinalize: function () {
// Process partial blocks
var finalProcessedBlocks = this._process(!!'flush');
return finalProcessedBlocks;
},
blockSize: 1
});
/**
* Mode namespace.
*/
var C_mode = C.mode = {};
/**
* Abstract base block cipher mode template.
*/
var BlockCipherMode = C_lib.BlockCipherMode = Base.extend({
/**
* Creates this mode for encryption.
*
* @param {Cipher} cipher A block cipher instance.
* @param {Array} iv The IV words.
*
* @static
*
* @example
*
* var mode = CryptoJS.mode.CBC.createEncryptor(cipher, iv.words);
*/
createEncryptor: function (cipher, iv) {
return this.Encryptor.create(cipher, iv);
},
/**
* Creates this mode for decryption.
*
* @param {Cipher} cipher A block cipher instance.
* @param {Array} iv The IV words.
*
* @static
*
* @example
*
* var mode = CryptoJS.mode.CBC.createDecryptor(cipher, iv.words);
*/
createDecryptor: function (cipher, iv) {
return this.Decryptor.create(cipher, iv);
},
/**
* Initializes a newly created mode.
*
* @param {Cipher} cipher A block cipher instance.
* @param {Array} iv The IV words.
*
* @example
*
* var mode = CryptoJS.mode.CBC.Encryptor.create(cipher, iv.words);
*/
init: function (cipher, iv) {
this._cipher = cipher;
this._iv = iv;
}
});
/**
* Cipher Block Chaining mode.
*/
var CBC = C_mode.CBC = (function () {
/**
* Abstract base CBC mode.
*/
var CBC = BlockCipherMode.extend();
/**
* CBC encryptor.
*/
CBC.Encryptor = CBC.extend({
/**
* Processes the data block at offset.
*
* @param {Array} words The data words to operate on.
* @param {number} offset The offset where the block starts.
*
* @example
*
* mode.processBlock(data.words, offset);
*/
processBlock: function (words, offset) {
// Shortcuts
var cipher = this._cipher;
var blockSize = cipher.blockSize;
// XOR and encrypt
xorBlock.call(this, words, offset, blockSize);
cipher.encryptBlock(words, offset);
// Remember this block to use with next block
this._prevBlock = words.slice(offset, offset + blockSize);
}
});
/**
* CBC decryptor.
*/
CBC.Decryptor = CBC.extend({
/**
* Processes the data block at offset.
*
* @param {Array} words The data words to operate on.
* @param {number} offset The offset where the block starts.
*
* @example
*
* mode.processBlock(data.words, offset);
*/
processBlock: function (words, offset) {
// Shortcuts
var cipher = this._cipher;
var blockSize = cipher.blockSize;
// Remember this block to use with next block
var thisBlock = words.slice(offset, offset + blockSize);
// Decrypt and XOR
cipher.decryptBlock(words, offset);
xorBlock.call(this, words, offset, blockSize);
// This block becomes the previous block
this._prevBlock = thisBlock;
}
});
function xorBlock(words, offset, blockSize) {
// Shortcut
var iv = this._iv;
// Choose mixing block
if (iv) {
var block = iv;
// Remove IV for subsequent blocks
this._iv = undefined;
} else {
var block = this._prevBlock;
}
// XOR blocks
for (var i = 0; i < blockSize; i++) {
words[offset + i] ^= block[i];
}
}
return CBC;
}());
/**
* Padding namespace.
*/
var C_pad = C.pad = {};
/**
* PKCS #5/7 padding strategy.
*/
var Pkcs7 = C_pad.Pkcs7 = {
/**
* Pads data using the algorithm defined in PKCS #5/7.
*
* @param {WordArray} data The data to pad.
* @param {number} blockSize The multiple that the data should be padded to.
*
* @static
*
* @example
*
* CryptoJS.pad.Pkcs7.pad(wordArray, 4);
*/
pad: function (data, blockSize) {
// Shortcut
var blockSizeBytes = blockSize * 4;
// Count padding bytes
var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes;
// Create padding word
var paddingWord = (nPaddingBytes << 24) | (nPaddingBytes << 16) | (nPaddingBytes << 8) | nPaddingBytes;
// Create padding
var paddingWords = [];
for (var i = 0; i < nPaddingBytes; i += 4) {
paddingWords.push(paddingWord);
}
var padding = WordArray.create(paddingWords, nPaddingBytes);
// Add padding
data.concat(padding);
},
/**
* Unpads data that had been padded using the algorithm defined in PKCS #5/7.
*
* @param {WordArray} data The data to unpad.
*
* @static
*
* @example
*
* CryptoJS.pad.Pkcs7.unpad(wordArray);
*/
unpad: function (data) {
// Get number of padding bytes from last byte
var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff;
// Remove padding
data.sigBytes -= nPaddingBytes;
}
};
/**
* Abstract base block cipher template.
*
* @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 4 (128 bits)
*/
var BlockCipher = C_lib.BlockCipher = Cipher.extend({
/**
* Configuration options.
*
* @property {Mode} mode The block mode to use. Default: CBC
* @property {Padding} padding The padding strategy to use. Default: Pkcs7
*/
cfg: Cipher.cfg.extend({
mode: CBC,
padding: Pkcs7
}),
reset: function () {
// Reset cipher
Cipher.reset.call(this);
// Shortcuts
var cfg = this.cfg;
var iv = cfg.iv;
var mode = cfg.mode;
// Reset block mode
if (this._xformMode == this._ENC_XFORM_MODE) {
var modeCreator = mode.createEncryptor;
} else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
var modeCreator = mode.createDecryptor;
// Keep at least one block in the buffer for unpadding
this._minBufferSize = 1;
}
this._mode = modeCreator.call(mode, this, iv && iv.words);
},
_doProcessBlock: function (words, offset) {
this._mode.processBlock(words, offset);
},
_doFinalize: function () {
// Shortcut
var padding = this.cfg.padding;
// Finalize
if (this._xformMode == this._ENC_XFORM_MODE) {
// Pad data
padding.pad(this._data, this.blockSize);
// Process final blocks
var finalProcessedBlocks = this._process(!!'flush');
} else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
// Process final blocks
var finalProcessedBlocks = this._process(!!'flush');
// Unpad data
padding.unpad(finalProcessedBlocks);
}
return finalProcessedBlocks;
},
blockSize: 128/32
});
/**
* A collection of cipher parameters.
*
* @property {WordArray} ciphertext The raw ciphertext.
* @property {WordArray} key The key to this ciphertext.
* @property {WordArray} iv The IV used in the ciphering operation.
* @property {WordArray} salt The salt used with a key derivation function.
* @property {Cipher} algorithm The cipher algorithm.
* @property {Mode} mode The block mode used in the ciphering operation.
* @property {Padding} padding The padding scheme used in the ciphering operation.
* @property {number} blockSize The block size of the cipher.
* @property {Format} formatter The default formatting strategy to convert this cipher params object to a string.
*/
var CipherParams = C_lib.CipherParams = Base.extend({
/**
* Initializes a newly created cipher params object.
*
* @param {Object} cipherParams An object with any of the possible cipher parameters.
*
* @example
*
* var cipherParams = CryptoJS.lib.CipherParams.create({
* ciphertext: ciphertextWordArray,
* key: keyWordArray,
* iv: ivWordArray,
* salt: saltWordArray,
* algorithm: CryptoJS.algo.AES,
* mode: CryptoJS.mode.CBC,
* padding: CryptoJS.pad.PKCS7,
* blockSize: 4,
* formatter: CryptoJS.format.OpenSSL
* });
*/
init: function (cipherParams) {
this.mixIn(cipherParams);
},
/**
* Converts this cipher params object to a string.
*
* @param {Format} formatter (Optional) The formatting strategy to use.
*
* @return {string} The stringified cipher params.
*
* @throws Error If neither the formatter nor the default formatter is set.
*
* @example
*
* var string = cipherParams + '';
* var string = cipherParams.toString();
* var string = cipherParams.toString(CryptoJS.format.OpenSSL);
*/
toString: function (formatter) {
return (formatter || this.formatter).stringify(this);
}
});
/**
* Format namespace.
*/
var C_format = C.format = {};
/**
* OpenSSL formatting strategy.
*/
var OpenSSLFormatter = C_format.OpenSSL = {
/**
* Converts a cipher params object to an OpenSSL-compatible string.
*
* @param {CipherParams} cipherParams The cipher params object.
*
* @return {string} The OpenSSL-compatible string.
*
* @static
*
* @example
*
* var openSSLString = CryptoJS.format.OpenSSL.stringify(cipherParams);
*/
stringify: function (cipherParams) {
// Shortcuts
var ciphertext = cipherParams.ciphertext;
var salt = cipherParams.salt;
// Format
if (salt) {
var wordArray = WordArray.create([0x53616c74, 0x65645f5f]).concat(salt).concat(ciphertext);
} else {
var wordArray = ciphertext;
}
return wordArray.toString(Base64);
},
/**
* Converts an OpenSSL-compatible string to a cipher params object.
*
* @param {string} openSSLStr The OpenSSL-compatible string.
*
* @return {CipherParams} The cipher params object.
*
* @static
*
* @example
*
* var cipherParams = CryptoJS.format.OpenSSL.parse(openSSLString);
*/
parse: function (openSSLStr) {
// Parse base64
var ciphertext = Base64.parse(openSSLStr);
// Shortcut
var ciphertextWords = ciphertext.words;
// Test for salt
if (ciphertextWords[0] == 0x53616c74 && ciphertextWords[1] == 0x65645f5f) {
// Extract salt
var salt = WordArray.create(ciphertextWords.slice(2, 4));
// Remove salt from ciphertext
ciphertextWords.splice(0, 4);
ciphertext.sigBytes -= 16;
}
return CipherParams.create({ ciphertext: ciphertext, salt: salt });
}
};
/**
* A cipher wrapper that returns ciphertext as a serializable cipher params object.
*/
var SerializableCipher = C_lib.SerializableCipher = Base.extend({
/**
* Configuration options.
*
* @property {Formatter} format The formatting strategy to convert cipher param objects to and from a string. Default: OpenSSL
*/
cfg: Base.extend({
format: OpenSSLFormatter
}),
/**
* Encrypts a message.
*
* @param {Cipher} cipher The cipher algorithm to use.
* @param {WordArray|string} message The message to encrypt.
* @param {WordArray} key The key.
* @param {Object} cfg (Optional) The configuration options to use for this operation.
*
* @return {CipherParams} A cipher params object.
*
* @static
*
* @example
*
* var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key);
* var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv });
* var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv, format: CryptoJS.format.OpenSSL });
*/
encrypt: function (cipher, message, key, cfg) {
// Apply config defaults
cfg = this.cfg.extend(cfg);
// Encrypt
var encryptor = cipher.createEncryptor(key, cfg);
var ciphertext = encryptor.finalize(message);
// Shortcut
var cipherCfg = encryptor.cfg;
// Create and return serializable cipher params
return CipherParams.create({
ciphertext: ciphertext,
key: key,
iv: cipherCfg.iv,
algorithm: cipher,
mode: cipherCfg.mode,
padding: cipherCfg.padding,
blockSize: cipher.blockSize,
formatter: cfg.format
});
},
/**
* Decrypts serialized ciphertext.
*
* @param {Cipher} cipher The cipher algorithm to use.
* @param {CipherParams|string} ciphertext The ciphertext to decrypt.
* @param {WordArray} key The key.
* @param {Object} cfg (Optional) The configuration options to use for this operation.
*
* @return {WordArray} The plaintext.
*
* @static
*
* @example
*
* var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, key, { iv: iv, format: CryptoJS.format.OpenSSL });
* var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, key, { iv: iv, format: CryptoJS.format.OpenSSL });
*/
decrypt: function (cipher, ciphertext, key, cfg) {
// Apply config defaults
cfg = this.cfg.extend(cfg);
// Convert string to CipherParams
ciphertext = this._parse(ciphertext, cfg.format);
// Decrypt
var plaintext = cipher.createDecryptor(key, cfg).finalize(ciphertext.ciphertext);
return plaintext;
},
/**
* Converts serialized ciphertext to CipherParams,
* else assumed CipherParams already and returns ciphertext unchanged.
*
* @param {CipherParams|string} ciphertext The ciphertext.
* @param {Formatter} format The formatting strategy to use to parse serialized ciphertext.
*
* @return {CipherParams} The unserialized ciphertext.
*
* @static
*
* @example
*
* var ciphertextParams = CryptoJS.lib.SerializableCipher._parse(ciphertextStringOrParams, format);
*/
_parse: function (ciphertext, format) {
if (typeof ciphertext == 'string') {
return format.parse(ciphertext, this);
} else {
return ciphertext;
}
}
});
/**
* Key derivation function namespace.
*/
var C_kdf = C.kdf = {};
/**
* OpenSSL key derivation function.
*/
var OpenSSLKdf = C_kdf.OpenSSL = {
/**
* Derives a key and IV from a password.
*
* @param {string} password The password to derive from.
* @param {number} keySize The size in words of the key to generate.
* @param {number} ivSize The size in words of the IV to generate.
* @param {WordArray|string} salt (Optional) A 64-bit salt to use. If omitted, a salt will be generated randomly.
*
* @return {CipherParams} A cipher params object with the key, IV, and salt.
*
* @static
*
* @example
*
* var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32);
* var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32, 'saltsalt');
*/
execute: function (password, keySize, ivSize, salt) {
// Generate random salt
if (!salt) {
salt = WordArray.random(64/8);
}
// Derive key and IV
var key = EvpKDF.create({ keySize: keySize + ivSize }).compute(password, salt);
// Separate key and IV
var iv = WordArray.create(key.words.slice(keySize), ivSize * 4);
key.sigBytes = keySize * 4;
// Return params
return CipherParams.create({ key: key, iv: iv, salt: salt });
}
};
/**
* A serializable cipher wrapper that derives the key from a password,
* and returns ciphertext as a serializable cipher params object.
*/
var PasswordBasedCipher = C_lib.PasswordBasedCipher = SerializableCipher.extend({
/**
* Configuration options.
*
* @property {KDF} kdf The key derivation function to use to generate a key and IV from a password. Default: OpenSSL
*/
cfg: SerializableCipher.cfg.extend({
kdf: OpenSSLKdf
}),
/**
* Encrypts a message using a password.
*
* @param {Cipher} cipher The cipher algorithm to use.
* @param {WordArray|string} message The message to encrypt.
* @param {string} password The password.
* @param {Object} cfg (Optional) The configuration options to use for this operation.
*
* @return {CipherParams} A cipher params object.
*
* @static
*
* @example
*
* var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password');
* var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password', { format: CryptoJS.format.OpenSSL });
*/
encrypt: function (cipher, message, password, cfg) {
// Apply config defaults
cfg = this.cfg.extend(cfg);
// Derive key and other params
var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize);
// Add IV to config
cfg.iv = derivedParams.iv;
// Encrypt
var ciphertext = SerializableCipher.encrypt.call(this, cipher, message, derivedParams.key, cfg);
// Mix in derived params
ciphertext.mixIn(derivedParams);
return ciphertext;
},
/**
* Decrypts serialized ciphertext using a password.
*
* @param {Cipher} cipher The cipher algorithm to use.
* @param {CipherParams|string} ciphertext The ciphertext to decrypt.
* @param {string} password The password.
* @param {Object} cfg (Optional) The configuration options to use for this operation.
*
* @return {WordArray} The plaintext.
*
* @static
*
* @example
*
* var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, 'password', { format: CryptoJS.format.OpenSSL });
* var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, 'password', { format: CryptoJS.format.OpenSSL });
*/
decrypt: function (cipher, ciphertext, password, cfg) {
// Apply config defaults
cfg = this.cfg.extend(cfg);
// Convert string to CipherParams
ciphertext = this._parse(ciphertext, cfg.format);
// Derive key and other params
var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize, ciphertext.salt);
// Add IV to config
cfg.iv = derivedParams.iv;
// Decrypt
var plaintext = SerializableCipher.decrypt.call(this, cipher, ciphertext, derivedParams.key, cfg);
return plaintext;
}
});
}());
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var BlockCipher = C_lib.BlockCipher;
var C_algo = C.algo;
// Permuted Choice 1 constants
var PC1 = [
57, 49, 41, 33, 25, 17, 9, 1,
58, 50, 42, 34, 26, 18, 10, 2,
59, 51, 43, 35, 27, 19, 11, 3,
60, 52, 44, 36, 63, 55, 47, 39,
31, 23, 15, 7, 62, 54, 46, 38,
30, 22, 14, 6, 61, 53, 45, 37,
29, 21, 13, 5, 28, 20, 12, 4
];
// Permuted Choice 2 constants
var PC2 = [
14, 17, 11, 24, 1, 5,
3, 28, 15, 6, 21, 10,
23, 19, 12, 4, 26, 8,
16, 7, 27, 20, 13, 2,
41, 52, 31, 37, 47, 55,
30, 40, 51, 45, 33, 48,
44, 49, 39, 56, 34, 53,
46, 42, 50, 36, 29, 32
];
// Cumulative bit shift constants
var BIT_SHIFTS = [1, 2, 4, 6, 8, 10, 12, 14, 15, 17, 19, 21, 23, 25, 27, 28];
// SBOXes and round permutation constants
var SBOX_P = [
{
0x0: 0x808200,
0x10000000: 0x8000,
0x20000000: 0x808002,
0x30000000: 0x2,
0x40000000: 0x200,
0x50000000: 0x808202,
0x60000000: 0x800202,
0x70000000: 0x800000,
0x80000000: 0x202,
0x90000000: 0x800200,
0xa0000000: 0x8200,
0xb0000000: 0x808000,
0xc0000000: 0x8002,
0xd0000000: 0x800002,
0xe0000000: 0x0,
0xf0000000: 0x8202,
0x8000000: 0x0,
0x18000000: 0x808202,
0x28000000: 0x8202,
0x38000000: 0x8000,
0x48000000: 0x808200,
0x58000000: 0x200,
0x68000000: 0x808002,
0x78000000: 0x2,
0x88000000: 0x800200,
0x98000000: 0x8200,
0xa8000000: 0x808000,
0xb8000000: 0x800202,
0xc8000000: 0x800002,
0xd8000000: 0x8002,
0xe8000000: 0x202,
0xf8000000: 0x800000,
0x1: 0x8000,
0x10000001: 0x2,
0x20000001: 0x808200,
0x30000001: 0x800000,
0x40000001: 0x808002,
0x50000001: 0x8200,
0x60000001: 0x200,
0x70000001: 0x800202,
0x80000001: 0x808202,
0x90000001: 0x808000,
0xa0000001: 0x800002,
0xb0000001: 0x8202,
0xc0000001: 0x202,
0xd0000001: 0x800200,
0xe0000001: 0x8002,
0xf0000001: 0x0,
0x8000001: 0x808202,
0x18000001: 0x808000,
0x28000001: 0x800000,
0x38000001: 0x200,
0x48000001: 0x8000,
0x58000001: 0x800002,
0x68000001: 0x2,
0x78000001: 0x8202,
0x88000001: 0x8002,
0x98000001: 0x800202,
0xa8000001: 0x202,
0xb8000001: 0x808200,
0xc8000001: 0x800200,
0xd8000001: 0x0,
0xe8000001: 0x8200,
0xf8000001: 0x808002
},
{
0x0: 0x40084010,
0x1000000: 0x4000,
0x2000000: 0x80000,
0x3000000: 0x40080010,
0x4000000: 0x40000010,
0x5000000: 0x40084000,
0x6000000: 0x40004000,
0x7000000: 0x10,
0x8000000: 0x84000,
0x9000000: 0x40004010,
0xa000000: 0x40000000,
0xb000000: 0x84010,
0xc000000: 0x80010,
0xd000000: 0x0,
0xe000000: 0x4010,
0xf000000: 0x40080000,
0x800000: 0x40004000,
0x1800000: 0x84010,
0x2800000: 0x10,
0x3800000: 0x40004010,
0x4800000: 0x40084010,
0x5800000: 0x40000000,
0x6800000: 0x80000,
0x7800000: 0x40080010,
0x8800000: 0x80010,
0x9800000: 0x0,
0xa800000: 0x4000,
0xb800000: 0x40080000,
0xc800000: 0x40000010,
0xd800000: 0x84000,
0xe800000: 0x40084000,
0xf800000: 0x4010,
0x10000000: 0x0,
0x11000000: 0x40080010,
0x12000000: 0x40004010,
0x13000000: 0x40084000,
0x14000000: 0x40080000,
0x15000000: 0x10,
0x16000000: 0x84010,
0x17000000: 0x4000,
0x18000000: 0x4010,
0x19000000: 0x80000,
0x1a000000: 0x80010,
0x1b000000: 0x40000010,
0x1c000000: 0x84000,
0x1d000000: 0x40004000,
0x1e000000: 0x40000000,
0x1f000000: 0x40084010,
0x10800000: 0x84010,
0x11800000: 0x80000,
0x12800000: 0x40080000,
0x13800000: 0x4000,
0x14800000: 0x40004000,
0x15800000: 0x40084010,
0x16800000: 0x10,
0x17800000: 0x40000000,
0x18800000: 0x40084000,
0x19800000: 0x40000010,
0x1a800000: 0x40004010,
0x1b800000: 0x80010,
0x1c800000: 0x0,
0x1d800000: 0x4010,
0x1e800000: 0x40080010,
0x1f800000: 0x84000
},
{
0x0: 0x104,
0x100000: 0x0,
0x200000: 0x4000100,
0x300000: 0x10104,
0x400000: 0x10004,
0x500000: 0x4000004,
0x600000: 0x4010104,
0x700000: 0x4010000,
0x800000: 0x4000000,
0x900000: 0x4010100,
0xa00000: 0x10100,
0xb00000: 0x4010004,
0xc00000: 0x4000104,
0xd00000: 0x10000,
0xe00000: 0x4,
0xf00000: 0x100,
0x80000: 0x4010100,
0x180000: 0x4010004,
0x280000: 0x0,
0x380000: 0x4000100,
0x480000: 0x4000004,
0x580000: 0x10000,
0x680000: 0x10004,
0x780000: 0x104,
0x880000: 0x4,
0x980000: 0x100,
0xa80000: 0x4010000,
0xb80000: 0x10104,
0xc80000: 0x10100,
0xd80000: 0x4000104,
0xe80000: 0x4010104,
0xf80000: 0x4000000,
0x1000000: 0x4010100,
0x1100000: 0x10004,
0x1200000: 0x10000,
0x1300000: 0x4000100,
0x1400000: 0x100,
0x1500000: 0x4010104,
0x1600000: 0x4000004,
0x1700000: 0x0,
0x1800000: 0x4000104,
0x1900000: 0x4000000,
0x1a00000: 0x4,
0x1b00000: 0x10100,
0x1c00000: 0x4010000,
0x1d00000: 0x104,
0x1e00000: 0x10104,
0x1f00000: 0x4010004,
0x1080000: 0x4000000,
0x1180000: 0x104,
0x1280000: 0x4010100,
0x1380000: 0x0,
0x1480000: 0x10004,
0x1580000: 0x4000100,
0x1680000: 0x100,
0x1780000: 0x4010004,
0x1880000: 0x10000,
0x1980000: 0x4010104,
0x1a80000: 0x10104,
0x1b80000: 0x4000004,
0x1c80000: 0x4000104,
0x1d80000: 0x4010000,
0x1e80000: 0x4,
0x1f80000: 0x10100
},
{
0x0: 0x80401000,
0x10000: 0x80001040,
0x20000: 0x401040,
0x30000: 0x80400000,
0x40000: 0x0,
0x50000: 0x401000,
0x60000: 0x80000040,
0x70000: 0x400040,
0x80000: 0x80000000,
0x90000: 0x400000,
0xa0000: 0x40,
0xb0000: 0x80001000,
0xc0000: 0x80400040,
0xd0000: 0x1040,
0xe0000: 0x1000,
0xf0000: 0x80401040,
0x8000: 0x80001040,
0x18000: 0x40,
0x28000: 0x80400040,
0x38000: 0x80001000,
0x48000: 0x401000,
0x58000: 0x80401040,
0x68000: 0x0,
0x78000: 0x80400000,
0x88000: 0x1000,
0x98000: 0x80401000,
0xa8000: 0x400000,
0xb8000: 0x1040,
0xc8000: 0x80000000,
0xd8000: 0x400040,
0xe8000: 0x401040,
0xf8000: 0x80000040,
0x100000: 0x400040,
0x110000: 0x401000,
0x120000: 0x80000040,
0x130000: 0x0,
0x140000: 0x1040,
0x150000: 0x80400040,
0x160000: 0x80401000,
0x170000: 0x80001040,
0x180000: 0x80401040,
0x190000: 0x80000000,
0x1a0000: 0x80400000,
0x1b0000: 0x401040,
0x1c0000: 0x80001000,
0x1d0000: 0x400000,
0x1e0000: 0x40,
0x1f0000: 0x1000,
0x108000: 0x80400000,
0x118000: 0x80401040,
0x128000: 0x0,
0x138000: 0x401000,
0x148000: 0x400040,
0x158000: 0x80000000,
0x168000: 0x80001040,
0x178000: 0x40,
0x188000: 0x80000040,
0x198000: 0x1000,
0x1a8000: 0x80001000,
0x1b8000: 0x80400040,
0x1c8000: 0x1040,
0x1d8000: 0x80401000,
0x1e8000: 0x400000,
0x1f8000: 0x401040
},
{
0x0: 0x80,
0x1000: 0x1040000,
0x2000: 0x40000,
0x3000: 0x20000000,
0x4000: 0x20040080,
0x5000: 0x1000080,
0x6000: 0x21000080,
0x7000: 0x40080,
0x8000: 0x1000000,
0x9000: 0x20040000,
0xa000: 0x20000080,
0xb000: 0x21040080,
0xc000: 0x21040000,
0xd000: 0x0,
0xe000: 0x1040080,
0xf000: 0x21000000,
0x800: 0x1040080,
0x1800: 0x21000080,
0x2800: 0x80,
0x3800: 0x1040000,
0x4800: 0x40000,
0x5800: 0x20040080,
0x6800: 0x21040000,
0x7800: 0x20000000,
0x8800: 0x20040000,
0x9800: 0x0,
0xa800: 0x21040080,
0xb800: 0x1000080,
0xc800: 0x20000080,
0xd800: 0x21000000,
0xe800: 0x1000000,
0xf800: 0x40080,
0x10000: 0x40000,
0x11000: 0x80,
0x12000: 0x20000000,
0x13000: 0x21000080,
0x14000: 0x1000080,
0x15000: 0x21040000,
0x16000: 0x20040080,
0x17000: 0x1000000,
0x18000: 0x21040080,
0x19000: 0x21000000,
0x1a000: 0x1040000,
0x1b000: 0x20040000,
0x1c000: 0x40080,
0x1d000: 0x20000080,
0x1e000: 0x0,
0x1f000: 0x1040080,
0x10800: 0x21000080,
0x11800: 0x1000000,
0x12800: 0x1040000,
0x13800: 0x20040080,
0x14800: 0x20000000,
0x15800: 0x1040080,
0x16800: 0x80,
0x17800: 0x21040000,
0x18800: 0x40080,
0x19800: 0x21040080,
0x1a800: 0x0,
0x1b800: 0x21000000,
0x1c800: 0x1000080,
0x1d800: 0x40000,
0x1e800: 0x20040000,
0x1f800: 0x20000080
},
{
0x0: 0x10000008,
0x100: 0x2000,
0x200: 0x10200000,
0x300: 0x10202008,
0x400: 0x10002000,
0x500: 0x200000,
0x600: 0x200008,
0x700: 0x10000000,
0x800: 0x0,
0x900: 0x10002008,
0xa00: 0x202000,
0xb00: 0x8,
0xc00: 0x10200008,
0xd00: 0x202008,
0xe00: 0x2008,
0xf00: 0x10202000,
0x80: 0x10200000,
0x180: 0x10202008,
0x280: 0x8,
0x380: 0x200000,
0x480: 0x202008,
0x580: 0x10000008,
0x680: 0x10002000,
0x780: 0x2008,
0x880: 0x200008,
0x980: 0x2000,
0xa80: 0x10002008,
0xb80: 0x10200008,
0xc80: 0x0,
0xd80: 0x10202000,
0xe80: 0x202000,
0xf80: 0x10000000,
0x1000: 0x10002000,
0x1100: 0x10200008,
0x1200: 0x10202008,
0x1300: 0x2008,
0x1400: 0x200000,
0x1500: 0x10000000,
0x1600: 0x10000008,
0x1700: 0x202000,
0x1800: 0x202008,
0x1900: 0x0,
0x1a00: 0x8,
0x1b00: 0x10200000,
0x1c00: 0x2000,
0x1d00: 0x10002008,
0x1e00: 0x10202000,
0x1f00: 0x200008,
0x1080: 0x8,
0x1180: 0x202000,
0x1280: 0x200000,
0x1380: 0x10000008,
0x1480: 0x10002000,
0x1580: 0x2008,
0x1680: 0x10202008,
0x1780: 0x10200000,
0x1880: 0x10202000,
0x1980: 0x10200008,
0x1a80: 0x2000,
0x1b80: 0x202008,
0x1c80: 0x200008,
0x1d80: 0x0,
0x1e80: 0x10000000,
0x1f80: 0x10002008
},
{
0x0: 0x100000,
0x10: 0x2000401,
0x20: 0x400,
0x30: 0x100401,
0x40: 0x2100401,
0x50: 0x0,
0x60: 0x1,
0x70: 0x2100001,
0x80: 0x2000400,
0x90: 0x100001,
0xa0: 0x2000001,
0xb0: 0x2100400,
0xc0: 0x2100000,
0xd0: 0x401,
0xe0: 0x100400,
0xf0: 0x2000000,
0x8: 0x2100001,
0x18: 0x0,
0x28: 0x2000401,
0x38: 0x2100400,
0x48: 0x100000,
0x58: 0x2000001,
0x68: 0x2000000,
0x78: 0x401,
0x88: 0x100401,
0x98: 0x2000400,
0xa8: 0x2100000,
0xb8: 0x100001,
0xc8: 0x400,
0xd8: 0x2100401,
0xe8: 0x1,
0xf8: 0x100400,
0x100: 0x2000000,
0x110: 0x100000,
0x120: 0x2000401,
0x130: 0x2100001,
0x140: 0x100001,
0x150: 0x2000400,
0x160: 0x2100400,
0x170: 0x100401,
0x180: 0x401,
0x190: 0x2100401,
0x1a0: 0x100400,
0x1b0: 0x1,
0x1c0: 0x0,
0x1d0: 0x2100000,
0x1e0: 0x2000001,
0x1f0: 0x400,
0x108: 0x100400,
0x118: 0x2000401,
0x128: 0x2100001,
0x138: 0x1,
0x148: 0x2000000,
0x158: 0x100000,
0x168: 0x401,
0x178: 0x2100400,
0x188: 0x2000001,
0x198: 0x2100000,
0x1a8: 0x0,
0x1b8: 0x2100401,
0x1c8: 0x100401,
0x1d8: 0x400,
0x1e8: 0x2000400,
0x1f8: 0x100001
},
{
0x0: 0x8000820,
0x1: 0x20000,
0x2: 0x8000000,
0x3: 0x20,
0x4: 0x20020,
0x5: 0x8020820,
0x6: 0x8020800,
0x7: 0x800,
0x8: 0x8020000,
0x9: 0x8000800,
0xa: 0x20800,
0xb: 0x8020020,
0xc: 0x820,
0xd: 0x0,
0xe: 0x8000020,
0xf: 0x20820,
0x80000000: 0x800,
0x80000001: 0x8020820,
0x80000002: 0x8000820,
0x80000003: 0x8000000,
0x80000004: 0x8020000,
0x80000005: 0x20800,
0x80000006: 0x20820,
0x80000007: 0x20,
0x80000008: 0x8000020,
0x80000009: 0x820,
0x8000000a: 0x20020,
0x8000000b: 0x8020800,
0x8000000c: 0x0,
0x8000000d: 0x8020020,
0x8000000e: 0x8000800,
0x8000000f: 0x20000,
0x10: 0x20820,
0x11: 0x8020800,
0x12: 0x20,
0x13: 0x800,
0x14: 0x8000800,
0x15: 0x8000020,
0x16: 0x8020020,
0x17: 0x20000,
0x18: 0x0,
0x19: 0x20020,
0x1a: 0x8020000,
0x1b: 0x8000820,
0x1c: 0x8020820,
0x1d: 0x20800,
0x1e: 0x820,
0x1f: 0x8000000,
0x80000010: 0x20000,
0x80000011: 0x800,
0x80000012: 0x8020020,
0x80000013: 0x20820,
0x80000014: 0x20,
0x80000015: 0x8020000,
0x80000016: 0x8000000,
0x80000017: 0x8000820,
0x80000018: 0x8020820,
0x80000019: 0x8000020,
0x8000001a: 0x8000800,
0x8000001b: 0x0,
0x8000001c: 0x20800,
0x8000001d: 0x820,
0x8000001e: 0x20020,
0x8000001f: 0x8020800
}
];
// Masks that select the SBOX input
var SBOX_MASK = [
0xf8000001, 0x1f800000, 0x01f80000, 0x001f8000,
0x0001f800, 0x00001f80, 0x000001f8, 0x8000001f
];
/**
* DES block cipher algorithm.
*/
var DES = C_algo.DES = BlockCipher.extend({
_doReset: function () {
// Shortcuts
var key = this._key;
var keyWords = key.words;
// Select 56 bits according to PC1
var keyBits = [];
for (var i = 0; i < 56; i++) {
var keyBitPos = PC1[i] - 1;
keyBits[i] = (keyWords[keyBitPos >>> 5] >>> (31 - keyBitPos % 32)) & 1;
}
// Assemble 16 subkeys
var subKeys = this._subKeys = [];
for (var nSubKey = 0; nSubKey < 16; nSubKey++) {
// Create subkey
var subKey = subKeys[nSubKey] = [];
// Shortcut
var bitShift = BIT_SHIFTS[nSubKey];
// Select 48 bits according to PC2
for (var i = 0; i < 24; i++) {
// Select from the left 28 key bits
subKey[(i / 6) | 0] |= keyBits[((PC2[i] - 1) + bitShift) % 28] << (31 - i % 6);
// Select from the right 28 key bits
subKey[4 + ((i / 6) | 0)] |= keyBits[28 + (((PC2[i + 24] - 1) + bitShift) % 28)] << (31 - i % 6);
}
// Since each subkey is applied to an expanded 32-bit input,
// the subkey can be broken into 8 values scaled to 32-bits,
// which allows the key to be used without expansion
subKey[0] = (subKey[0] << 1) | (subKey[0] >>> 31);
for (var i = 1; i < 7; i++) {
subKey[i] = subKey[i] >>> ((i - 1) * 4 + 3);
}
subKey[7] = (subKey[7] << 5) | (subKey[7] >>> 27);
}
// Compute inverse subkeys
var invSubKeys = this._invSubKeys = [];
for (var i = 0; i < 16; i++) {
invSubKeys[i] = subKeys[15 - i];
}
},
encryptBlock: function (M, offset) {
this._doCryptBlock(M, offset, this._subKeys);
},
decryptBlock: function (M, offset) {
this._doCryptBlock(M, offset, this._invSubKeys);
},
_doCryptBlock: function (M, offset, subKeys) {
// Get input
this._lBlock = M[offset];
this._rBlock = M[offset + 1];
// Initial permutation
exchangeLR.call(this, 4, 0x0f0f0f0f);
exchangeLR.call(this, 16, 0x0000ffff);
exchangeRL.call(this, 2, 0x33333333);
exchangeRL.call(this, 8, 0x00ff00ff);
exchangeLR.call(this, 1, 0x55555555);
// Rounds
for (var round = 0; round < 16; round++) {
// Shortcuts
var subKey = subKeys[round];
var lBlock = this._lBlock;
var rBlock = this._rBlock;
// Feistel function
var f = 0;
for (var i = 0; i < 8; i++) {
f |= SBOX_P[i][((rBlock ^ subKey[i]) & SBOX_MASK[i]) >>> 0];
}
this._lBlock = rBlock;
this._rBlock = lBlock ^ f;
}
// Undo swap from last round
var t = this._lBlock;
this._lBlock = this._rBlock;
this._rBlock = t;
// Final permutation
exchangeLR.call(this, 1, 0x55555555);
exchangeRL.call(this, 8, 0x00ff00ff);
exchangeRL.call(this, 2, 0x33333333);
exchangeLR.call(this, 16, 0x0000ffff);
exchangeLR.call(this, 4, 0x0f0f0f0f);
// Set output
M[offset] = this._lBlock;
M[offset + 1] = this._rBlock;
},
keySize: 64/32,
ivSize: 64/32,
blockSize: 64/32
});
// Swap bits across the left and right words
function exchangeLR(offset, mask) {
var t = ((this._lBlock >>> offset) ^ this._rBlock) & mask;
this._rBlock ^= t;
this._lBlock ^= t << offset;
}
function exchangeRL(offset, mask) {
var t = ((this._rBlock >>> offset) ^ this._lBlock) & mask;
this._lBlock ^= t;
this._rBlock ^= t << offset;
}
/**
* Shortcut functions to the cipher's object interface.
*
* @example
*
* var ciphertext = CryptoJS.DES.encrypt(message, key, cfg);
* var plaintext = CryptoJS.DES.decrypt(ciphertext, key, cfg);
*/
C.DES = BlockCipher._createHelper(DES);
/**
* Triple-DES block cipher algorithm.
*/
var TripleDES = C_algo.TripleDES = BlockCipher.extend({
_doReset: function () {
// Shortcuts
var key = this._key;
var keyWords = key.words;
// Create DES instances
this._des1 = DES.createEncryptor(WordArray.create(keyWords.slice(0, 2)));
this._des2 = DES.createEncryptor(WordArray.create(keyWords.slice(2, 4)));
this._des3 = DES.createEncryptor(WordArray.create(keyWords.slice(4, 6)));
},
encryptBlock: function (M, offset) {
this._des1.encryptBlock(M, offset);
this._des2.decryptBlock(M, offset);
this._des3.encryptBlock(M, offset);
},
decryptBlock: function (M, offset) {
this._des3.decryptBlock(M, offset);
this._des2.encryptBlock(M, offset);
this._des1.decryptBlock(M, offset);
},
keySize: 192/32,
ivSize: 64/32,
blockSize: 64/32
});
/**
* Shortcut functions to the cipher's object interface.
*
* @example
*
* var ciphertext = CryptoJS.TripleDES.encrypt(message, key, cfg);
* var plaintext = CryptoJS.TripleDES.decrypt(ciphertext, key, cfg);
*/
C.TripleDES = BlockCipher._createHelper(TripleDES);
}());