Mercurial > sat_docs
diff scripts/minifier/otr/dep/crypto.js @ 12:1596660ddf72
Add minifier script for otr.js and its dependencies
author | souliane <souliane@mailoo.org> |
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date | Wed, 03 Sep 2014 19:38:05 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/scripts/minifier/otr/dep/crypto.js Wed Sep 03 19:38:05 2014 +0200 @@ -0,0 +1,2434 @@ +;(function (root, factory) { + + if (typeof define === "function" && define.amd) { + define(factory) + } else if (typeof module !== 'undefined' && module.exports) { + module.exports = factory() + } else { + root.CryptoJS = factory() + } + +}(this, function () { + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +/** + * CryptoJS core components. + */ +var CryptoJS = CryptoJS || (function (Math, undefined) { + /** + * CryptoJS namespace. + */ + var C = {}; + + /** + * Library namespace. + */ + var C_lib = C.lib = {}; + + /** + * Base object for prototypal inheritance. + */ + var Base = C_lib.Base = (function () { + function F() {} + + 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 + F.prototype = this; + var subtype = new F(); + + // Augment + if (overrides) { + subtype.mixIn(overrides); + } + + // Create default initializer + if (!subtype.hasOwnProperty('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 if (thatWords.length > 0xffff) { + // Copy one word at a time + for (var i = 0; i < thatSigBytes; i += 4) { + thisWords[(thisSigBytes + i) >>> 2] = thatWords[i >>> 2]; + } + } else { + // Copy all words at once + thisWords.push.apply(thisWords, thatWords); + } + 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 = []; + for (var i = 0; i < nBytes; i += 4) { + words.push((Math.random() * 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)); + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +(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; + + // Ignore padding + var paddingChar = map.charAt(64); + if (paddingChar) { + var paddingIndex = base64Str.indexOf(paddingChar); + if (paddingIndex != -1) { + base64StrLength = paddingIndex; + } + } + + // Convert + var words = []; + var nBytes = 0; + for (var i = 0; i < base64StrLength; i++) { + if (i % 4) { + var bits1 = map.indexOf(base64Str.charAt(i - 1)) << ((i % 4) * 2); + var bits2 = map.indexOf(base64Str.charAt(i)) >>> (6 - (i % 4) * 2); + words[nBytes >>> 2] |= (bits1 | bits2) << (24 - (nBytes % 4) * 8); + nBytes++; + } + } + + return WordArray.create(words, nBytes); + }, + + _map: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=' + }; +}()); + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +/** + * 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; + } + }); +}()); + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +(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 () { + // Shortcuts + var key = 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); +}()); + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +(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); +}()); + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +(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)); + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +(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; + } + }); +}()); + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +/** + * A noop padding strategy. + */ +CryptoJS.pad.NoPadding = { + pad: function () { + }, + + unpad: function () { + } +}; + +/* +CryptoJS v3.1.2 +code.google.com/p/crypto-js +(c) 2009-2013 by Jeff Mott. All rights reserved. +code.google.com/p/crypto-js/wiki/License +*/ +/** + * Counter block mode. + */ +CryptoJS.mode.CTR = (function () { + var CTR = CryptoJS.lib.BlockCipherMode.extend(); + + var Encryptor = CTR.Encryptor = CTR.extend({ + processBlock: function (words, offset) { + // Shortcuts + var cipher = this._cipher + var blockSize = cipher.blockSize; + var iv = this._iv; + var counter = this._counter; + + // Generate keystream + if (iv) { + counter = this._counter = iv.slice(0); + + // Remove IV for subsequent blocks + this._iv = undefined; + } + var keystream = counter.slice(0); + cipher.encryptBlock(keystream, 0); + + // Increment counter + counter[blockSize - 1] = (counter[blockSize - 1] + 1) | 0 + + // Encrypt + for (var i = 0; i < blockSize; i++) { + words[offset + i] ^= keystream[i]; + } + } + }); + + CTR.Decryptor = Encryptor; + + return CTR; +}()); + + + return CryptoJS + +}))