【金秋打卡】第20天 破解JavaScript高级玩法 第六讲
标签：
JavaScript
课程名称： 破解JavaScript高级玩法
课程章节： 从函数到函数式编程之路
主讲老师： Cloud
课程内容：
今天学习的内容包括：
函数的学习
课程收获：
6.1 心得：
;(function (root, factory) {
if (typeof exports === "object") {
// CommonJS
module.exports = exports = factory();
}
else if (typeof define === "function" && define.amd) {
// AMD
define([], factory);
}
else {
// Global (browser)
root.CryptoJS = factory();
}
}(this, function () {
/**
* 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));
(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);
}
}());
(function (Math) {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var Hasher = C_lib.Hasher;
var C_algo = C.algo;
// Constants table
var T = [];
// Compute constants
(function () {
for (var i = 0; i < 64; i++) {
T[i] = (Math.abs(Math.sin(i + 1)) * 0x100000000) | 0;
}
}());
/**
* MD5 hash algorithm.
*/
var MD5 = C_algo.MD5 = Hasher.extend({
_doReset: function () {
this._hash = new WordArray.init([
0x67452301, 0xefcdab89,
0x98badcfe, 0x10325476
]);
},
_doProcessBlock: function (M, offset) {
// Swap endian
for (var i = 0; i < 16; i++) {
// Shortcuts
var offset_i = offset + i;
var M_offset_i = M[offset_i];
M[offset_i] = (
(((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
(((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
);
}
// Shortcuts
var H = this._hash.words;
var M_offset_0 = M[offset + 0];
var M_offset_1 = M[offset + 1];
var M_offset_2 = M[offset + 2];
var M_offset_3 = M[offset + 3];
var M_offset_4 = M[offset + 4];
var M_offset_5 = M[offset + 5];
var M_offset_6 = M[offset + 6];
var M_offset_7 = M[offset + 7];
var M_offset_8 = M[offset + 8];
var M_offset_9 = M[offset + 9];
var M_offset_10 = M[offset + 10];
var M_offset_11 = M[offset + 11];
var M_offset_12 = M[offset + 12];
var M_offset_13 = M[offset + 13];
var M_offset_14 = M[offset + 14];
var M_offset_15 = M[offset + 15];
// Working varialbes
var a = H[0];
var b = H[1];
var c = H[2];
var d = H[3];
// Computation
a = FF(a, b, c, d, M_offset_0, 7, T[0]);
d = FF(d, a, b, c, M_offset_1, 12, T[1]);
c = FF(c, d, a, b, M_offset_2, 17, T[2]);
b = FF(b, c, d, a, M_offset_3, 22, T[3]);
a = FF(a, b, c, d, M_offset_4, 7, T[4]);
d = FF(d, a, b, c, M_offset_5, 12, T[5]);
c = FF(c, d, a, b, M_offset_6, 17, T[6]);
b = FF(b, c, d, a, M_offset_7, 22, T[7]);
a = FF(a, b, c, d, M_offset_8, 7, T[8]);
d = FF(d, a, b, c, M_offset_9, 12, T[9]);
c = FF(c, d, a, b, M_offset_10, 17, T[10]);
b = FF(b, c, d, a, M_offset_11, 22, T[11]);
a = FF(a, b, c, d, M_offset_12, 7, T[12]);
d = FF(d, a, b, c, M_offset_13, 12, T[13]);
c = FF(c, d, a, b, M_offset_14, 17, T[14]);
b = FF(b, c, d, a, M_offset_15, 22, T[15]);
a = GG(a, b, c, d, M_offset_1, 5, T[16]);
d = GG(d, a, b, c, M_offset_6, 9, T[17]);
c = GG(c, d, a, b, M_offset_11, 14, T[18]);
b = GG(b, c, d, a, M_offset_0, 20, T[19]);
a = GG(a, b, c, d, M_offset_5, 5, T[20]);
d = GG(d, a, b, c, M_offset_10, 9, T[21]);
c = GG(c, d, a, b, M_offset_15, 14, T[22]);
b = GG(b, c, d, a, M_offset_4, 20, T[23]);
a = GG(a, b, c, d, M_offset_9, 5, T[24]);
d = GG(d, a, b, c, M_offset_14, 9, T[25]);
c = GG(c, d, a, b, M_offset_3, 14, T[26]);
b = GG(b, c, d, a, M_offset_8, 20, T[27]);
a = GG(a, b, c, d, M_offset_13, 5, T[28]);
d = GG(d, a, b, c, M_offset_2, 9, T[29]);
c = GG(c, d, a, b, M_offset_7, 14, T[30]);
b = GG(b, c, d, a, M_offset_12, 20, T[31]);
a = HH(a, b, c, d, M_offset_5, 4, T[32]);
d = HH(d, a, b, c, M_offset_8, 11, T[33]);
c = HH(c, d, a, b, M_offset_11, 16, T[34]);
b = HH(b, c, d, a, M_offset_14, 23, T[35]);
a = HH(a, b, c, d, M_offset_1, 4, T[36]);
d = HH(d, a, b, c, M_offset_4, 11, T[37]);
c = HH(c, d, a, b, M_offset_7, 16, T[38]);
b = HH(b, c, d, a, M_offset_10, 23, T[39]);
a = HH(a, b, c, d, M_offset_13, 4, T[40]);
d = HH(d, a, b, c, M_offset_0, 11, T[41]);
c = HH(c, d, a, b, M_offset_3, 16, T[42]);
b = HH(b, c, d, a, M_offset_6, 23, T[43]);
a = HH(a, b, c, d, M_offset_9, 4, T[44]);
d = HH(d, a, b, c, M_offset_12, 11, T[45]);
c = HH(c, d, a, b, M_offset_15, 16, T[46]);
b = HH(b, c, d, a, M_offset_2, 23, T[47]);
a = II(a, b, c, d, M_offset_0, 6, T[48]);
d = II(d, a, b, c, M_offset_7, 10, T[49]);
c = II(c, d, a, b, M_offset_14, 15, T[50]);
b = II(b, c, d, a, M_offset_5, 21, T[51]);
a = II(a, b, c, d, M_offset_12, 6, T[52]);
d = II(d, a, b, c, M_offset_3, 10, T[53]);
c = II(c, d, a, b, M_offset_10, 15, T[54]);
b = II(b, c, d, a, M_offset_1, 21, T[55]);
a = II(a, b, c, d, M_offset_8, 6, T[56]);
d = II(d, a, b, c, M_offset_15, 10, T[57]);
c = II(c, d, a, b, M_offset_6, 15, T[58]);
b = II(b, c, d, a, M_offset_13, 21, T[59]);
a = II(a, b, c, d, M_offset_4, 6, T[60]);
d = II(d, a, b, c, M_offset_11, 10, T[61]);
c = II(c, d, a, b, M_offset_2, 15, T[62]);
b = II(b, c, d, a, M_offset_9, 21, T[63]);
// Intermediate hash value
H[0] = (H[0] + a) | 0;
H[1] = (H[1] + b) | 0;
H[2] = (H[2] + c) | 0;
H[3] = (H[3] + d) | 0;
},
_doFinalize: function () {
// Shortcuts
var data = this._data;
var dataWords = data.words;
var nBitsTotal = this._nDataBytes * 8;
var nBitsLeft = data.sigBytes * 8;
// Add padding
dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
var nBitsTotalH = Math.floor(nBitsTotal / 0x100000000);
var nBitsTotalL = nBitsTotal;
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = (
(((nBitsTotalH << 8) | (nBitsTotalH >>> 24)) & 0x00ff00ff) |
(((nBitsTotalH << 24) | (nBitsTotalH >>> 8)) & 0xff00ff00)
);
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
(((nBitsTotalL << 8) | (nBitsTotalL >>> 24)) & 0x00ff00ff) |
(((nBitsTotalL << 24) | (nBitsTotalL >>> 8)) & 0xff00ff00)
);
data.sigBytes = (dataWords.length + 1) * 4;
// Hash final blocks
this._process();
// Shortcuts
var hash = this._hash;
var H = hash.words;
// Swap endian
for (var i = 0; i < 4; i++) {
// Shortcut
var H_i = H[i];
H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
(((H_i << 24) | (H_i >>> 8)) & 0xff00ff00);
}
// Return final computed hash
return hash;
},
clone: function () {
var clone = Hasher.clone.call(this);
clone._hash = this._hash.clone();
return clone;
}
});
function FF(a, b, c, d, x, s, t) {
var n = a + ((b & c) | (~b & d)) + x + t;
return ((n << s) | (n >>> (32 - s))) + b;
}
function GG(a, b, c, d, x, s, t) {
var n = a + ((b & d) | (c & ~d)) + x + t;
return ((n << s) | (n >>> (32 - s))) + b;
}
function HH(a, b, c, d, x, s, t) {
var n = a + (b ^ c ^ d) + x + t;
return ((n << s) | (n >>> (32 - s))) + b;
}
function II(a, b, c, d, x, s, t) {
var n = a + (c ^ (b | ~d)) + x + t;
return ((n << s) | (n >>> (32 - s))) + b;
}
/**
* Shortcut function to the hasher's object interface.
*
* @param {WordArray|string} message The message to hash.
*
* @return {WordArray} The hash.
*
* @static
*
* @example
*
* var hash = CryptoJS.MD5('message');
* var hash = CryptoJS.MD5(wordArray);
*/
C.MD5 = Hasher._createHelper(MD5);
/**
* Shortcut function to the HMAC's object interface.
*
* @param {WordArray|string} message The message to hash.
* @param {WordArray|string} key The secret key.
*
* @return {WordArray} The HMAC.
*
* @static
*
* @example
*
* var hmac = CryptoJS.HmacMD5(message, key);
*/
C.HmacMD5 = Hasher._createHmacHelper(MD5);
}(Math));
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var Hasher = C_lib.Hasher;
var C_algo = C.algo;
// Reusable object
var W = [];
/**
* SHA-1 hash algorithm.
*/
var SHA1 = C_algo.SHA1 = Hasher.extend({
_doReset: function () {
this._hash = new WordArray.init([
0x67452301, 0xefcdab89,
0x98badcfe, 0x10325476,
0xc3d2e1f0
]);
},
_doProcessBlock: function (M, offset) {
// Shortcut
var H = this._hash.words;
// Working variables
var a = H[0];
var b = H[1];
var c = H[2];
var d = H[3];
var e = H[4];
// Computation
for (var i = 0; i < 80; i++) {
if (i < 16) {
W[i] = M[offset + i] | 0;
} else {
var n = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];
W[i] = (n << 1) | (n >>> 31);
}
var t = ((a << 5) | (a >>> 27)) + e + W[i];
if (i < 20) {
t += ((b & c) | (~b & d)) + 0x5a827999;
} else if (i < 40) {
t += (b ^ c ^ d) + 0x6ed9eba1;
} else if (i < 60) {
t += ((b & c) | (b & d) | (c & d)) - 0x70e44324;
} else /* if (i < 80) */ {
t += (b ^ c ^ d) - 0x359d3e2a;
}
e = d;
d = c;
c = (b << 30) | (b >>> 2);
b = a;
a = t;
}
// Intermediate hash value
H[0] = (H[0] + a) | 0;
H[1] = (H[1] + b) | 0;
H[2] = (H[2] + c) | 0;
H[3] = (H[3] + d) | 0;
H[4] = (H[4] + e) | 0;
},
_doFinalize: function () {
// Shortcuts
var data = this._data;
var dataWords = data.words;
var nBitsTotal = this._nDataBytes * 8;
var nBitsLeft = data.sigBytes * 8;
// Add padding
dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
data.sigBytes = dataWords.length * 4;
// Hash final blocks
this._process();
// Return final computed hash
return this._hash;
},
clone: function () {
var clone = Hasher.clone.call(this);
clone._hash = this._hash.clone();
return clone;
}
});
/**
* Shortcut function to the hasher's object interface.
*
* @param {WordArray|string} message The message to hash.
*
* @return {WordArray} The hash.
*
* @static
*
* @example
*
* var hash = CryptoJS.SHA1('message');
* var hash = CryptoJS.SHA1(wordArray);
*/
C.SHA1 = Hasher._createHelper(SHA1);
/**
* Shortcut function to the HMAC's object interface.
*
* @param {WordArray|string} message The message to hash.
* @param {WordArray|string} key The secret key.
*
* @return {WordArray} The HMAC.
*
* @static
*
* @example
*
* var hmac = CryptoJS.HmacSHA1(message, key);
*/
C.HmacSHA1 = Hasher._createHmacHelper(SHA1);
}());
(function (Math) {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var Hasher = C_lib.Hasher;
var C_algo = C.algo;
// Initialization and round constants tables
var H = [];
var K = [];
// Compute constants
(function () {
function isPrime(n) {
var sqrtN = Math.sqrt(n);
for (var factor = 2; factor <= sqrtN; factor++) {
if (!(n % factor)) {
return false;
}
}
return true;
}
function getFractionalBits(n) {
return ((n - (n | 0)) * 0x100000000) | 0;
}
var n = 2;
var nPrime = 0;
while (nPrime < 64) {
if (isPrime(n)) {
if (nPrime < 8) {
H[nPrime] = getFractionalBits(Math.pow(n, 1 / 2));
}
K[nPrime] = getFractionalBits(Math.pow(n, 1 / 3));
nPrime++;
}
n++;
}
}());
// Reusable object
var W = [];
/**
* SHA-256 hash algorithm.
*/
var SHA256 = C_algo.SHA256 = Hasher.extend({
_doReset: function () {
this._hash = new WordArray.init(H.slice(0));
},
_doProcessBlock: function (M, offset) {
// Shortcut
var H = this._hash.words;
// Working variables
var a = H[0];
var b = H[1];
var c = H[2];
var d = H[3];
var e = H[4];
var f = H[5];
var g = H[6];
var h = H[7];
// Computation
for (var i = 0; i < 64; i++) {
if (i < 16) {
W[i] = M[offset + i] | 0;
} else {
var gamma0x = W[i - 15];
var gamma0 = ((gamma0x << 25) | (gamma0x >>> 7)) ^
((gamma0x << 14) | (gamma0x >>> 18)) ^
(gamma0x >>> 3);
var gamma1x = W[i - 2];
var gamma1 = ((gamma1x << 15) | (gamma1x >>> 17)) ^
((gamma1x << 13) | (gamma1x >>> 19)) ^
(gamma1x >>> 10);
W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16];
}
var ch = (e & f) ^ (~e & g);
var maj = (a & b) ^ (a & c) ^ (b & c);
var sigma0 = ((a << 30) | (a >>> 2)) ^ ((a << 19) | (a >>> 13)) ^ ((a << 10) | (a >>> 22));
var sigma1 = ((e << 26) | (e >>> 6)) ^ ((e << 21) | (e >>> 11)) ^ ((e << 7) | (e >>> 25));
var t1 = h + sigma1 + ch + K[i] + W[i];
var t2 = sigma0 + maj;
h = g;
g = f;
f = e;
e = (d + t1) | 0;
d = c;
c = b;
b = a;
a = (t1 + t2) | 0;
}
// Intermediate hash value
H[0] = (H[0] + a) | 0;
H[1] = (H[1] + b) | 0;
H[2] = (H[2] + c) | 0;
H[3] = (H[3] + d) | 0;
H[4] = (H[4] + e) | 0;
H[5] = (H[5] + f) | 0;
H[6] = (H[6] + g) | 0;
H[7] = (H[7] + h) | 0;
},
_doFinalize: function () {
// Shortcuts
var data = this._data;
var dataWords = data.words;
var nBitsTotal = this._nDataBytes * 8;
var nBitsLeft = data.sigBytes * 8;
// Add padding
dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
data.sigBytes = dataWords.length * 4;
// Hash final blocks
this._process();
// Return final computed hash
return this._hash;
},
clone: function () {
var clone = Hasher.clone.call(this);
clone._hash = this._hash.clone();
return clone;
}
});
/**
* Shortcut function to the hasher's object interface.
*
* @param {WordArray|string} message The message to hash.
*
* @return {WordArray} The hash.
*
* @static
*
* @example
*
* var hash = CryptoJS.SHA256('message');
* var hash = CryptoJS.SHA256(wordArray);
*/
C.SHA256 = Hasher._createHelper(SHA256);
/**
* Shortcut function to the HMAC's object interface.
*
* @param {WordArray|string} message The message to hash.
* @param {WordArray|string} key The secret key.
*
* @return {WordArray} The HMAC.
*
* @static
*
* @example
*
* var hmac = CryptoJS.HmacSHA256(message, key);
*/
C.HmacSHA256 = Hasher._createHmacHelper(SHA256);
}(Math));
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var C_enc = C.enc;
/**
* UTF-16 BE encoding strategy.
*/
var Utf16BE = C_enc.Utf16 = C_enc.Utf16BE = {
/**
* Converts a word array to a UTF-16 BE string.
*
* @param {WordArray} wordArray The word array.
*
* @return {string} The UTF-16 BE string.
*
* @static
*
* @example
*
* var utf16String = CryptoJS.enc.Utf16.stringify(wordArray);
*/
stringify: function (wordArray) {
// Shortcuts
var words = wordArray.words;
var sigBytes = wordArray.sigBytes;
// Convert
var utf16Chars = [];
for (var i = 0; i < sigBytes; i += 2) {
var codePoint = (words[i >>> 2] >>> (16 - (i % 4) * 8)) & 0xffff;
utf16Chars.push(String.fromCharCode(codePoint));
}
return utf16Chars.join('');
},
/**
* Converts a UTF-16 BE string to a word array.
*
* @param {string} utf16Str The UTF-16 BE string.
*
* @return {WordArray} The word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.enc.Utf16.parse(utf16String);
*/
parse: function (utf16Str) {
// Shortcut
var utf16StrLength = utf16Str.length;
// Convert
var words = [];
for (var i = 0; i < utf16StrLength; i++) {
words[i >>> 1] |= utf16Str.charCodeAt(i) << (16 - (i % 2) * 16);
}
return WordArray.create(words, utf16StrLength * 2);
}
};
/**
* UTF-16 LE encoding strategy.
*/
C_enc.Utf16LE = {
/**
* Converts a word array to a UTF-16 LE string.
*
* @param {WordArray} wordArray The word array.
*
* @return {string} The UTF-16 LE string.
*
* @static
*
* @example
*
* var utf16Str = CryptoJS.enc.Utf16LE.stringify(wordArray);
*/
stringify: function (wordArray) {
// Shortcuts
var words = wordArray.words;
var sigBytes = wordArray.sigBytes;
// Convert
var utf16Chars = [];
for (var i = 0; i < sigBytes; i += 2) {
var codePoint = swapEndian((words[i >>> 2] >>> (16 - (i % 4) * 8)) & 0xffff);
utf16Chars.push(String.fromCharCode(codePoint));
}
return utf16Chars.join('');
},
/**
* Converts a UTF-16 LE string to a word array.
*
* @param {string} utf16Str The UTF-16 LE string.
*
* @return {WordArray} The word array.
*
* @static
*
* @example
*
* var wordArray = CryptoJS.enc.Utf16LE.parse(utf16Str);
*/
parse: function (utf16Str) {
// Shortcut
var utf16StrLength = utf16Str.length;
// Convert
var words = [];
for (var i = 0; i < utf16StrLength; i++) {
words[i >>> 1] |= swapEndian(utf16Str.charCodeAt(i) << (16 - (i % 2) * 16));
}
return WordArray.create(words, utf16StrLength * 2);
}
};
function swapEndian(word) {
return ((word << 8) & 0xff00ff00) | ((word >>> 8) & 0x00ff00ff);
}
}());
(function () {
// Check if typed arrays are supported
if (typeof ArrayBuffer != 'function') {
return;
}
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
// Reference original init
var superInit = WordArray.init;
// Augment WordArray.init to handle typed arrays
var subInit = WordArray.init = function (typedArray) {
// Convert buffers to uint8
if (typedArray instanceof ArrayBuffer) {
typedArray = new Uint8Array(typedArray);
}
// Convert other array views to uint8
if (
typedArray instanceof Int8Array ||
(typeof Uint8ClampedArray !== "undefined" && typedArray instanceof Uint8ClampedArray) ||
typedArray instanceof Int16Array ||
typedArray instanceof Uint16Array ||
typedArray instanceof Int32Array ||
typedArray instanceof Uint32Array ||
typedArray instanceof Float32Array ||
typedArray instanceof Float64Array
) {
typedArray = new Uint8Array(typedArray.buffer, typedArray.byteOffset, typedArray.byteLength);
}
// Handle Uint8Array
if (typedArray instanceof Uint8Array) {
// Shortcut
var typedArrayByteLength = typedArray.byteLength;
// Extract bytes
var words = [];
for (var i = 0; i < typedArrayByteLength; i++) {
words[i >>> 2] |= typedArray[i] << (24 - (i % 4) * 8);
}
// Initialize this word array
superInit.call(this, words, typedArrayByteLength);
} else {
// Else call normal init
superInit.apply(this, arguments);
}
};
subInit.prototype = WordArray;
}());
/** @preserve
(c) 2012 by Cédric Mesnil. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
(function (Math) {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var Hasher = C_lib.Hasher;
var C_algo = C.algo;
// Constants table
var _zl = WordArray.create([
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13]);
var _zr = WordArray.create([
5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11]);
var _sl = WordArray.create([
11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 ]);
var _sr = WordArray.create([
8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 ]);
var _hl = WordArray.create([ 0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E]);
var _hr = WordArray.create([ 0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000]);
/**
* RIPEMD160 hash algorithm.
*/
var RIPEMD160 = C_algo.RIPEMD160 = Hasher.extend({
_doReset: function () {
this._hash = WordArray.create([0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0]);
},
_doProcessBlock: function (M, offset) {
// Swap endian
for (var i = 0; i < 16; i++) {
// Shortcuts
var offset_i = offset + i;
var M_offset_i = M[offset_i];
// Swap
M[offset_i] = (
(((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
(((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
);
}
// Shortcut
var H = this._hash.words;
var hl = _hl.words;
var hr = _hr.words;
var zl = _zl.words;
var zr = _zr.words;
var sl = _sl.words;
var sr = _sr.words;
// Working variables
var al, bl, cl, dl, el;
var ar, br, cr, dr, er;
ar = al = H[0];
br = bl = H[1];
cr = cl = H[2];
dr = dl = H[3];
er = el = H[4];
// Computation
var t;
for (var i = 0; i < 80; i += 1) {
t = (al + M[offset+zl[i]])|0;
if (i<16){
t += f1(bl,cl,dl) + hl[0];
} else if (i<32) {
t += f2(bl,cl,dl) + hl[1];
} else if (i<48) {
t += f3(bl,cl,dl) + hl[2];
} else if (i<64) {
t += f4(bl,cl,dl) + hl[3];
} else {// if (i<80) {
t += f5(bl,cl,dl) + hl[4];
}
t = t|0;
t = rotl(t,sl[i]);
t = (t+el)|0;
al = el;
el = dl;
dl = rotl(cl, 10);
cl = bl;
bl = t;
t = (ar + M[offset+zr[i]])|0;
if (i<16){
t += f5(br,cr,dr) + hr[0];
} else if (i<32) {
t += f4(br,cr,dr) + hr[1];
} else if (i<48) {
t += f3(br,cr,dr) + hr[2];
} else if (i<64) {
t += f2(br,cr,dr) + hr[3];
} else {// if (i<80) {
t += f1(br,cr,dr) + hr[4];
}
t = t|0;
t = rotl(t,sr[i]) ;
t = (t+er)|0;
ar = er;
er = dr;
dr = rotl(cr, 10);
cr = br;
br = t;
}
// Intermediate hash value
t = (H[1] + cl + dr)|0;
H[1] = (H[2] + dl + er)|0;
H[2] = (H[3] + el + ar)|0;
H[3] = (H[4] + al + br)|0;
H[4] = (H[0] + bl + cr)|0;
H[0] = t;
},
_doFinalize: function () {
// Shortcuts
var data = this._data;
var dataWords = data.words;
var nBitsTotal = this._nDataBytes * 8;
var nBitsLeft = data.sigBytes * 8;
// Add padding
dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
(((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
(((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
);
data.sigBytes = (dataWords.length + 1) * 4;
// Hash final blocks
this._process();
// Shortcuts
var hash = this._hash;
var H = hash.words;
// Swap endian
for (var i = 0; i < 5; i++) {
// Shortcut
var H_i = H[i];
// Swap
H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
(((H_i << 24) | (H_i >>> 8)) & 0xff00ff00);
}
// Return final computed hash
return hash;
},
clone: function () {
var clone = Hasher.clone.call(this);
clone._hash = this._hash.clone();
return clone;
}
});
function f1(x, y, z) {
return ((x) ^ (y) ^ (z));
}
function f2(x, y, z) {
return (((x)&(y)) | ((~x)&(z)));
}
function f3(x, y, z) {
return (((x) | (~(y))) ^ (z));
}
function f4(x, y, z) {
return (((x) & (z)) | ((y)&(~(z))));
}
function f5(x, y, z) {
return ((x) ^ ((y) |(~(z))));
}
function rotl(x,n) {
return (x<<n) | (x>>>(32-n));
}
/**
* Shortcut function to the hasher's object interface.
*
* @param {WordArray|string} message The message to hash.
*
* @return {WordArray} The hash.
*
* @static
*
* @example
*
* var hash = CryptoJS.RIPEMD160('message');
* var hash = CryptoJS.RIPEMD160(wordArray);
*/
C.RIPEMD160 = Hasher._createHelper(RIPEMD160);
/**
* Shortcut function to the HMAC's object interface.
*
* @param {WordArray|string} message The message to hash.
* @param {WordArray|string} key The secret key.
*
* @return {WordArray} The HMAC.
*
* @static
*
* @example
*
* var hmac = CryptoJS.HmacRIPEMD160(message, key);
*/
C.HmacRIPEMD160 = Hasher._createHmacHelper(RIPEMD160);
}(Math));
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var Base = C_lib.Base;
var C_enc = C.enc;
var Utf8 = C_enc.Utf8;
var C_algo = C.algo;
/**
* HMAC algorithm.
*/
var HMAC = C_algo.HMAC = Base.extend({
/**
* Initializes a newly created HMAC.
*
* @param {Hasher} hasher The hash algorithm to use.
* @param {WordArray|string} key The secret key.
*
* @example
*
* var hmacHasher = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, key);
*/
init: function (hasher, key) {
// Init hasher
hasher = this._hasher = new hasher.init();
// Convert string to WordArray, else assume WordArray already
if (typeof key == 'string') {
key = Utf8.parse(key);
}
// Shortcuts
var hasherBlockSize = hasher.blockSize;
var hasherBlockSizeBytes = hasherBlockSize * 4;
// Allow arbitrary length keys
if (key.sigBytes > hasherBlockSizeBytes) {
key = hasher.finalize(key);
}
// Clamp excess bits
key.clamp();
// Clone key for inner and outer pads
var oKey = this._oKey = key.clone();
var iKey = this._iKey = key.clone();
// Shortcuts
var oKeyWords = oKey.words;
var iKeyWords = iKey.words;
// XOR keys with pad constants
for (var i = 0; i < hasherBlockSize; i++) {
oKeyWords[i] ^= 0x5c5c5c5c;
iKeyWords[i] ^= 0x36363636;
}
oKey.sigBytes = iKey.sigBytes = hasherBlockSizeBytes;
// Set initial values
this.reset();
},
/**
* Resets this HMAC to its initial state.
*
* @example
*
* hmacHasher.reset();
*/
reset: function () {
// Shortcut
var hasher = this._hasher;
// Reset
hasher.reset();
hasher.update(this._iKey);
},
/**
* Updates this HMAC with a message.
*
* @param {WordArray|string} messageUpdate The message to append.
*
* @return {HMAC} This HMAC instance.
*
* @example
*
* hmacHasher.update('message');
* hmacHasher.update(wordArray);
*/
update: function (messageUpdate) {
this._hasher.update(messageUpdate);
// Chainable
return this;
},
/**
* Finalizes the HMAC 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 HMAC.
*
* @example
*
* var hmac = hmacHasher.finalize();
* var hmac = hmacHasher.finalize('message');
* var hmac = hmacHasher.finalize(wordArray);
*/
finalize: function (messageUpdate) {
// Shortcut
var hasher = this._hasher;
// Compute HMAC
var innerHash = hasher.finalize(messageUpdate);
hasher.reset();
var hmac = hasher.finalize(this._oKey.clone().concat(innerHash));
return hmac;
}
});
}());
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var Base = C_lib.Base;
var WordArray = C_lib.WordArray;
var C_algo = C.algo;
var SHA1 = C_algo.SHA1;
var HMAC = C_algo.HMAC;
/**
* Password-Based Key Derivation Function 2 algorithm.
*/
var PBKDF2 = C_algo.PBKDF2 = Base.extend({
/**
* Configuration options.
*
* @property {number} keySize The key size in words to generate. Default: 4 (128 bits)
* @property {Hasher} hasher The hasher to use. Default: SHA1
* @property {number} iterations The number of iterations to perform. Default: 1
*/
cfg: Base.extend({
keySize: 128/32,
hasher: SHA1,
iterations: 1
}),
/**
* Initializes a newly created key derivation function.
*
* @param {Object} cfg (Optional) The configuration options to use for the derivation.
*
* @example
*
* var kdf = CryptoJS.algo.PBKDF2.create();
* var kdf = CryptoJS.algo.PBKDF2.create({ keySize: 8 });
* var kdf = CryptoJS.algo.PBKDF2.create({ keySize: 8, iterations: 1000 });
*/
init: function (cfg) {
this.cfg = this.cfg.extend(cfg);
},
/**
* Computes the Password-Based Key Derivation Function 2.
*
* @param {WordArray|string} password The password.
* @param {WordArray|string} salt A salt.
*
* @return {WordArray} The derived key.
*
* @example
*
* var key = kdf.compute(password, salt);
*/
compute: function (password, salt) {
// Shortcut
var cfg = this.cfg;
// Init HMAC
var hmac = HMAC.create(cfg.hasher, password);
// Initial values
var derivedKey = WordArray.create();
var blockIndex = WordArray.create([0x00000001]);
// Shortcuts
var derivedKeyWords = derivedKey.words;
var blockIndexWords = blockIndex.words;
var keySize = cfg.keySize;
var iterations = cfg.iterations;
// Generate key
while (derivedKeyWords.length < keySize) {
var block = hmac.update(salt).finalize(blockIndex);
hmac.reset();
// Shortcuts
var blockWords = block.words;
var blockWordsLength = blockWords.length;
// Iterations
var intermediate = block;
for (var i = 1; i < iterations; i++) {
intermediate = hmac.finalize(intermediate);
hmac.reset();
// Shortcut
var intermediateWords = intermediate.words;
// XOR intermediate with block
for (var j = 0; j < blockWordsLength; j++) {
blockWords[j] ^= intermediateWords[j];
}
}
derivedKey.concat(block);
blockIndexWords[0]++;
}
derivedKey.sigBytes = keySize * 4;
return derivedKey;
}
});
/**
* Computes the Password-Based Key Derivation Function 2.
*
* @param {WordArray|string} password The password.
* @param {WordArray|string} salt A salt.
* @param {Object} cfg (Optional) The configuration options to use for this computation.
*
* @return {WordArray} The derived key.
*
* @static
*
* @example
*
* var key = CryptoJS.PBKDF2(password, salt);
* var key = CryptoJS.PBKDF2(password, salt, { keySize: 8 });
* var key = CryptoJS.PBKDF2(password, salt, { keySize: 8, iterations: 1000 });
*/
C.PBKDF2 = function (password, salt, cfg) {
return PBKDF2.create(cfg).compute(password, salt);
};
}());
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var Base = C_lib.Base;
var WordArray = C_lib.WordArray;
var C_algo = C.algo;
var MD5 = C_algo.MD5;
/**
* This key derivation function is meant to conform with EVP_BytesToKey.
* www.openssl.org/docs/crypto/EVP_BytesToKey.html
*/
var EvpKDF = C_algo.EvpKDF = Base.extend({
/**
* Configuration options.
*
* @property {number} keySize The key size in words to generate. Default: 4 (128 bits)
* @property {Hasher} hasher The hash algorithm to use. Default: MD5
* @property {number} iterations The number of iterations to perform. Default: 1
*/
cfg: Base.extend({
keySize: 128/32,
hasher: MD5,
iterations: 1
}),
/**
* Initializes a newly created key derivation function.
*
* @param {Object} cfg (Optional) The configuration options to use for the derivation.
*
* @example
*
* var kdf = CryptoJS.algo.EvpKDF.create();
* var kdf = CryptoJS.algo.EvpKDF.create({ keySize: 8 });
* var kdf = CryptoJS.algo.EvpKDF.create({ keySize: 8, iterations: 1000 });
*/
init: function (cfg) {
this.cfg = this.cfg.extend(cfg);
},
/**
* Derives a key from a password.
*
* @param {WordArray|string} password The password.
* @param {WordArray|string} salt A salt.
*
* @return {WordArray} The derived key.
*
* @example
*
* var key = kdf.compute(password, salt);
*/
compute: function (password, salt) {
// Shortcut
var cfg = this.cfg;
// Init hasher
var hasher = cfg.hasher.create();
// Initial values
var derivedKey = WordArray.create();
// Shortcuts
var derivedKeyWords = derivedKey.words;
var keySize = cfg.keySize;
var iterations = cfg.iterations;
// Generate key
while (derivedKeyWords.length < keySize) {
if (block) {
hasher.update(block);
}
var block = hasher.update(password).finalize(salt);
hasher.reset();
// Iterations
for (var i = 1; i < iterations; i++) {
block = hasher.finalize(block);
hasher.reset();
}
derivedKey.concat(block);
}
derivedKey.sigBytes = keySize * 4;
return derivedKey;
}
});
/**
* Derives a key from a password.
*
* @param {WordArray|string} password The password.
* @param {WordArray|string} salt A salt.
* @param {Object} cfg (Optional) The configuration options to use for this computation.
*
* @return {WordArray} The derived key.
*
* @static
*
* @example
*
* var key = CryptoJS.EvpKDF(password, salt);
* var key = CryptoJS.EvpKDF(password, salt, { keySize: 8 });
* var key = CryptoJS.EvpKDF(password, salt, { keySize: 8, iterations: 1000 });
*/
C.EvpKDF = function (password, salt, cfg) {
return EvpKDF.create(cfg).compute(password, salt);
};
}());
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var C_algo = C.algo;
var SHA256 = C_algo.SHA256;
/**
* SHA-224 hash algorithm.
*/
var SHA224 = C_algo.SHA224 = SHA256.extend({
_doReset: function () {
this._hash = new WordArray.init([
0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4
]);
},
_doFinalize: function () {
var hash = SHA256._doFinalize.call(this);
hash.sigBytes -= 4;
return hash;
}
});
/**
* Shortcut function to the hasher's object interface.
*
* @param {WordArray|string} message The message to hash.
*
* @return {WordArray} The hash.
*
* @static
*
* @example
*
* var hash = CryptoJS.SHA224('message');
* var hash = CryptoJS.SHA224(wordArray);
*/
C.SHA224 = SHA256._createHelper(SHA224);
/**
* Shortcut function to the HMAC's object interface.
*
* @param {WordArray|string} message The message to hash.
* @param {WordArray|string} key The secret key.
*
* @return {WordArray} The HMAC.
*
* @static
*
* @example
*
* var hmac = CryptoJS.HmacSHA224(message, key);
*/
C.HmacSHA224 = SHA256._createHmacHelper(SHA224);
}());
(function (undefined) {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var Base = C_lib.Base;
var X32WordArray = C_lib.WordArray;
/**
* x64 namespace.
*/
var C_x64 = C.x64 = {};
/**
* A 64-bit word.
*/
var X64Word = C_x64.Word = Base.extend({
/**
* Initializes a newly created 64-bit word.
*
* @param {number} high The high 32 bits.
* @param {number} low The low 32 bits.
*
* @example
*
* var x64Word = CryptoJS.x64.Word.create(0x00010203, 0x04050607);
*/
init: function (high, low) {
this.high = high;
this.low = low;
}
/**
* Bitwise NOTs this word.
*
* @return {X64Word} A new x64-Word object after negating.
*
* @example
*
* var negated = x64Word.not();
*/
// not: function () {
// var high = ~this.high;
// var low = ~this.low;
// return X64Word.create(high, low);
// },
/**
* Bitwise ANDs this word with the passed word.
*
* @param {X64Word} word The x64-Word to AND with this word.
*
* @return {X64Word} A new x64-Word object after ANDing.
*
* @example
*
* var anded = x64Word.and(anotherX64Word);
*/
// and: function (word) {
// var high = this.high & word.high;
// var low = this.low & word.low;
// return X64Word.create(high, low);
// },
/**
* Bitwise ORs this word with the passed word.
*
* @param {X64Word} word The x64-Word to OR with this word.
*
* @return {X64Word} A new x64-Word object after ORing.
*
* @example
*
* var ored = x64Word.or(anotherX64Word);
*/
// or: function (word) {
// var high = this.high | word.high;
// var low = this.low | word.low;
// return X64Word.create(high, low);
// },
/**
* Bitwise XORs this word with the passed word.
*
* @param {X64Word} word The x64-Word to XOR with this word.
*
* @return {X64Word} A new x64-Word object after XORing.
*
* @example
*
* var xored = x64Word.xor(anotherX64Word);
*/
// xor: function (word) {
// var high = this.high ^ word.high;
// var low = this.low ^ word.low;
// return X64Word.create(high, low);
// },
/**
* Shifts this word n bits to the left.
*
* @param {number} n The number of bits to shift.
*
* @return {X64Word} A new x64-Word object after shifting.
*
* @example
*
* var shifted = x64Word.shiftL(25);
*/
// shiftL: function (n) {
// if (n < 32) {
// var high = (this.high << n) | (this.low >>> (32 - n));
// var low = this.low << n;
// } else {
// var high = this.low << (n - 32);
// var low = 0;
// }
// return X64Word.create(high, low);
// },
/**
* Shifts this word n bits to the right.
*
* @param {number} n The number of bits to shift.
*
* @return {X64Word} A new x64-Word object after shifting.
*
* @example
*
* var shifted = x64Word.shiftR(7);
*/
// shiftR: function (n) {
// if (n < 32) {
// var low = (this.low >>> n) | (this.high << (32 - n));
// var high = this.high >>> n;
// } else {
// var low = this.high >>> (n - 32);
// var high = 0;
// }
// return X64Word.create(high, low);
// },
/**
* Rotates this word n bits to the left.
*
* @param {number} n The number of bits to rotate.
*
* @return {X64Word} A new x64-Word object after rotating.
*
* @example
*
* var rotated = x64Word.rotL(25);
*/
// rotL: function (n) {
// return this.shiftL(n).or(this.shiftR(64 - n));
// },
/**
* Rotates this word n bits to the right.
*
* @param {number} n The number of bits to rotate.
*
* @return {X64Word} A new x64-Word object after rotating.
*
* @example
*
* var rotated = x64Word.rotR(7);
*/
// rotR: function (n) {
// return this.shiftR(n).or(this.shiftL(64 - n));
// },
/**
* Adds this word with the passed word.
*
* @param {X64Word} word The x64-Word to add with this word.
*
* @return {X64Word} A new x64-Word object after adding.
*
* @example
*
* var added = x64Word.add(anotherX64Word);
*/
// add: function (word) {
// var low = (this.low + word.low) | 0;
// var carry = (low >>> 0) < (this.low >>> 0) ? 1 : 0;
// var high = (this.high + word.high + carry) | 0;
// return X64Word.create(high, low);
// }
});
/**
* An array of 64-bit words.
*
* @property {Array} words The array of CryptoJS.x64.Word objects.
* @property {number} sigBytes The number of significant bytes in this word array.
*/
var X64WordArray = C_x64.WordArray = Base.extend({
/**
* Initializes a newly created word array.
*
* @param {Array} words (Optional) An array of CryptoJS.x64.Word objects.
* @param {number} sigBytes (Optional) The number of significant bytes in the words.
*
* @example
*
* var wordArray = CryptoJS.x64.WordArray.create();
*
* var wordArray = CryptoJS.x64.WordArray.create([
* CryptoJS.x64.Word.create(0x00010203, 0x04050607),
* CryptoJS.x64.Word.create(0x18191a1b, 0x1c1d1e1f)
* ]);
*
* var wordArray = CryptoJS.x64.WordArray.create([
* CryptoJS.x64.Word.create(0x00010203, 0x04050607),
* CryptoJS.x64.Word.create(0x18191a1b, 0x1c1d1e1f)
* ], 10);
*/
init: function (words, sigBytes) {
words = this.words = words || [];
if (sigBytes != undefined) {
this.sigBytes = sigBytes;
} else {
this.sigBytes = words.length * 8;
}
},
/**
* Converts this 64-bit word array to a 32-bit word array.
*
* @return {CryptoJS.lib.WordArray} This word array's data as a 32-bit word array.
*
* @example
*
* var x32WordArray = x64WordArray.toX32();
*/
toX32: function () {
// Shortcuts
var x64Words = this.words;
var x64WordsLength = x64Words.length;
// Convert
var x32Words = [];
for (var i = 0; i < x64WordsLength; i++) {
var x64Word = x64Words[i];
x32Words.push(x64Word.high);
x32Words.push(x64Word.low);
}
return X32WordArray.create(x32Words, this.sigBytes);
},
/**
* Creates a copy of this word array.
*
* @return {X64WordArray} The clone.
*
* @example
*
* var clone = x64WordArray.clone();
*/
clone: function () {
var clone = Base.clone.call(this);
// Clone "words" array
var words = clone.words = this.words.slice(0);
// Clone each X64Word object
var wordsLength = words.length;
for (var i = 0; i < wordsLength; i++) {
words[i] = words[i].clone();
}
return clone;
}
});
}());
(function (Math) {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var Hasher = C_lib.Hasher;
var C_x64 = C.x64;
var X64Word = C_x64.Word;
var C_algo = C.algo;
// Constants tables
var RHO_OFFSETS = [];
var PI_INDEXES = [];
var ROUND_CONSTANTS = [];
// Compute Constants
(function () {
// Compute rho offset constants
var x = 1, y = 0;
for (var t = 0; t < 24; t++) {
RHO_OFFSETS[x + 5 * y] = ((t + 1) * (t + 2) / 2) % 64;
var newX = y % 5;
var newY = (2 * x + 3 * y) % 5;
x = newX;
y = newY;
}
// Compute pi index constants
for (var x = 0; x < 5; x++) {
for (var y = 0; y < 5; y++) {
PI_INDEXES[x + 5 * y] = y + ((2 * x + 3 * y) % 5) * 5;
}
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