Unmiified js files, mostly
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/*
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CryptoJS v3.1.2
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code.google.com/p/crypto-js
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(c) 2009-2013 by Jeff Mott. All rights reserved.
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code.google.com/p/crypto-js/wiki/License
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*/
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/**
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* Cipher core components.
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*/
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CryptoJS.lib.Cipher || (function (undefined) {
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// Shortcuts
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var C = CryptoJS;
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var C_lib = C.lib;
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var Base = C_lib.Base;
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var WordArray = C_lib.WordArray;
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var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm;
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var C_enc = C.enc;
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var Utf8 = C_enc.Utf8;
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var Base64 = C_enc.Base64;
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var C_algo = C.algo;
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var EvpKDF = C_algo.EvpKDF;
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/**
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* Abstract base cipher template.
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*
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* @property {number} keySize This cipher's key size. Default: 4 (128 bits)
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* @property {number} ivSize This cipher's IV size. Default: 4 (128 bits)
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* @property {number} _ENC_XFORM_MODE A constant representing encryption mode.
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* @property {number} _DEC_XFORM_MODE A constant representing decryption mode.
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*/
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var Cipher = C_lib.Cipher = BufferedBlockAlgorithm.extend({
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/**
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* Configuration options.
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*
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* @property {WordArray} iv The IV to use for this operation.
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*/
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cfg: Base.extend(),
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/**
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* Creates this cipher in encryption mode.
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*
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* @param {WordArray} key The key.
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* @param {Object} cfg (Optional) The configuration options to use for this operation.
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*
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* @return {Cipher} A cipher instance.
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*
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* @static
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*
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* @example
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*
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* var cipher = CryptoJS.algo.AES.createEncryptor(keyWordArray, { iv: ivWordArray });
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*/
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createEncryptor: function (key, cfg) {
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return this.create(this._ENC_XFORM_MODE, key, cfg);
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},
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/**
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* Creates this cipher in decryption mode.
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*
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* @param {WordArray} key The key.
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* @param {Object} cfg (Optional) The configuration options to use for this operation.
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*
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* @return {Cipher} A cipher instance.
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*
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* @static
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*
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* @example
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*
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* var cipher = CryptoJS.algo.AES.createDecryptor(keyWordArray, { iv: ivWordArray });
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*/
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createDecryptor: function (key, cfg) {
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return this.create(this._DEC_XFORM_MODE, key, cfg);
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},
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/**
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* Initializes a newly created cipher.
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*
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* @param {number} xformMode Either the encryption or decryption transormation mode constant.
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* @param {WordArray} key The key.
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* @param {Object} cfg (Optional) The configuration options to use for this operation.
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*
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* @example
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*
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* var cipher = CryptoJS.algo.AES.create(CryptoJS.algo.AES._ENC_XFORM_MODE, keyWordArray, { iv: ivWordArray });
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*/
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init: function (xformMode, key, cfg) {
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// Apply config defaults
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this.cfg = this.cfg.extend(cfg);
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// Store transform mode and key
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this._xformMode = xformMode;
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this._key = key;
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// Set initial values
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this.reset();
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},
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/**
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* Resets this cipher to its initial state.
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*
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* @example
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*
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* cipher.reset();
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*/
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reset: function () {
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// Reset data buffer
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BufferedBlockAlgorithm.reset.call(this);
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// Perform concrete-cipher logic
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this._doReset();
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},
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/**
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* Adds data to be encrypted or decrypted.
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*
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* @param {WordArray|string} dataUpdate The data to encrypt or decrypt.
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*
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* @return {WordArray} The data after processing.
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*
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* @example
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*
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* var encrypted = cipher.process('data');
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* var encrypted = cipher.process(wordArray);
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*/
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process: function (dataUpdate) {
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// Append
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this._append(dataUpdate);
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// Process available blocks
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return this._process();
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},
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/**
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* Finalizes the encryption or decryption process.
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* Note that the finalize operation is effectively a destructive, read-once operation.
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*
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* @param {WordArray|string} dataUpdate The final data to encrypt or decrypt.
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*
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* @return {WordArray} The data after final processing.
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*
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* @example
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*
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* var encrypted = cipher.finalize();
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* var encrypted = cipher.finalize('data');
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* var encrypted = cipher.finalize(wordArray);
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*/
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finalize: function (dataUpdate) {
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// Final data update
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if (dataUpdate) {
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this._append(dataUpdate);
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}
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// Perform concrete-cipher logic
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var finalProcessedData = this._doFinalize();
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return finalProcessedData;
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},
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keySize: 128/32,
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ivSize: 128/32,
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_ENC_XFORM_MODE: 1,
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_DEC_XFORM_MODE: 2,
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/**
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* Creates shortcut functions to a cipher's object interface.
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*
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* @param {Cipher} cipher The cipher to create a helper for.
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*
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* @return {Object} An object with encrypt and decrypt shortcut functions.
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*
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* @static
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*
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* @example
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*
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* var AES = CryptoJS.lib.Cipher._createHelper(CryptoJS.algo.AES);
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*/
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_createHelper: (function () {
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function selectCipherStrategy(key) {
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if (typeof key == 'string') {
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return PasswordBasedCipher;
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} else {
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return SerializableCipher;
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}
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}
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return function (cipher) {
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return {
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encrypt: function (message, key, cfg) {
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return selectCipherStrategy(key).encrypt(cipher, message, key, cfg);
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},
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decrypt: function (ciphertext, key, cfg) {
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return selectCipherStrategy(key).decrypt(cipher, ciphertext, key, cfg);
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}
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};
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};
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}())
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});
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/**
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* Abstract base stream cipher template.
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*
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* @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 1 (32 bits)
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*/
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var StreamCipher = C_lib.StreamCipher = Cipher.extend({
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_doFinalize: function () {
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// Process partial blocks
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var finalProcessedBlocks = this._process(!!'flush');
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return finalProcessedBlocks;
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},
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blockSize: 1
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});
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/**
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* Mode namespace.
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*/
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var C_mode = C.mode = {};
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/**
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* Abstract base block cipher mode template.
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*/
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var BlockCipherMode = C_lib.BlockCipherMode = Base.extend({
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/**
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* Creates this mode for encryption.
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*
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* @param {Cipher} cipher A block cipher instance.
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* @param {Array} iv The IV words.
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*
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* @static
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*
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* @example
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*
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* var mode = CryptoJS.mode.CBC.createEncryptor(cipher, iv.words);
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*/
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createEncryptor: function (cipher, iv) {
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return this.Encryptor.create(cipher, iv);
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},
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/**
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* Creates this mode for decryption.
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*
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* @param {Cipher} cipher A block cipher instance.
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* @param {Array} iv The IV words.
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*
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* @static
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*
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* @example
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*
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* var mode = CryptoJS.mode.CBC.createDecryptor(cipher, iv.words);
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*/
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createDecryptor: function (cipher, iv) {
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return this.Decryptor.create(cipher, iv);
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},
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/**
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* Initializes a newly created mode.
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*
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* @param {Cipher} cipher A block cipher instance.
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* @param {Array} iv The IV words.
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*
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* @example
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*
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* var mode = CryptoJS.mode.CBC.Encryptor.create(cipher, iv.words);
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*/
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init: function (cipher, iv) {
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this._cipher = cipher;
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this._iv = iv;
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}
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});
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/**
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* Cipher Block Chaining mode.
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*/
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var CBC = C_mode.CBC = (function () {
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/**
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* Abstract base CBC mode.
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*/
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var CBC = BlockCipherMode.extend();
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/**
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* CBC encryptor.
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*/
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CBC.Encryptor = CBC.extend({
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/**
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* Processes the data block at offset.
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*
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* @param {Array} words The data words to operate on.
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* @param {number} offset The offset where the block starts.
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*
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* @example
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*
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* mode.processBlock(data.words, offset);
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*/
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processBlock: function (words, offset) {
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// Shortcuts
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var cipher = this._cipher;
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var blockSize = cipher.blockSize;
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// XOR and encrypt
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xorBlock.call(this, words, offset, blockSize);
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cipher.encryptBlock(words, offset);
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// Remember this block to use with next block
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this._prevBlock = words.slice(offset, offset + blockSize);
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}
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});
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/**
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* CBC decryptor.
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*/
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CBC.Decryptor = CBC.extend({
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/**
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* Processes the data block at offset.
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*
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* @param {Array} words The data words to operate on.
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* @param {number} offset The offset where the block starts.
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*
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* @example
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*
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* mode.processBlock(data.words, offset);
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*/
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processBlock: function (words, offset) {
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// Shortcuts
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var cipher = this._cipher;
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var blockSize = cipher.blockSize;
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// Remember this block to use with next block
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var thisBlock = words.slice(offset, offset + blockSize);
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// Decrypt and XOR
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cipher.decryptBlock(words, offset);
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xorBlock.call(this, words, offset, blockSize);
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// This block becomes the previous block
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this._prevBlock = thisBlock;
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}
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});
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function xorBlock(words, offset, blockSize) {
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// Shortcut
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var iv = this._iv;
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// Choose mixing block
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if (iv) {
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var block = iv;
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// Remove IV for subsequent blocks
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this._iv = undefined;
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} else {
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var block = this._prevBlock;
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}
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// XOR blocks
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for (var i = 0; i < blockSize; i++) {
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words[offset + i] ^= block[i];
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}
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}
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return CBC;
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}());
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/**
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* Padding namespace.
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*/
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var C_pad = C.pad = {};
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/**
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* PKCS #5/7 padding strategy.
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*/
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var Pkcs7 = C_pad.Pkcs7 = {
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/**
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* Pads data using the algorithm defined in PKCS #5/7.
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*
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* @param {WordArray} data The data to pad.
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* @param {number} blockSize The multiple that the data should be padded to.
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*
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* @static
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*
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* @example
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*
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* CryptoJS.pad.Pkcs7.pad(wordArray, 4);
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*/
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pad: function (data, blockSize) {
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// Shortcut
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var blockSizeBytes = blockSize * 4;
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// Count padding bytes
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var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes;
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// Create padding word
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var paddingWord = (nPaddingBytes << 24) | (nPaddingBytes << 16) | (nPaddingBytes << 8) | nPaddingBytes;
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// Create padding
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var paddingWords = [];
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for (var i = 0; i < nPaddingBytes; i += 4) {
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paddingWords.push(paddingWord);
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}
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var padding = WordArray.create(paddingWords, nPaddingBytes);
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// Add padding
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data.concat(padding);
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},
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/**
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* Unpads data that had been padded using the algorithm defined in PKCS #5/7.
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*
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* @param {WordArray} data The data to unpad.
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*
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* @static
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*
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* @example
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*
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* CryptoJS.pad.Pkcs7.unpad(wordArray);
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*/
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unpad: function (data) {
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// Get number of padding bytes from last byte
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var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff;
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// Remove padding
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data.sigBytes -= nPaddingBytes;
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}
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};
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/**
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* Abstract base block cipher template.
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*
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* @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 4 (128 bits)
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*/
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var BlockCipher = C_lib.BlockCipher = Cipher.extend({
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/**
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* Configuration options.
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*
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* @property {Mode} mode The block mode to use. Default: CBC
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* @property {Padding} padding The padding strategy to use. Default: Pkcs7
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*/
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cfg: Cipher.cfg.extend({
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mode: CBC,
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padding: Pkcs7
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}),
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reset: function () {
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// Reset cipher
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Cipher.reset.call(this);
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// Shortcuts
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var cfg = this.cfg;
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var iv = cfg.iv;
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var mode = cfg.mode;
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// Reset block mode
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if (this._xformMode == this._ENC_XFORM_MODE) {
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var modeCreator = mode.createEncryptor;
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} else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
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var modeCreator = mode.createDecryptor;
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// Keep at least one block in the buffer for unpadding
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this._minBufferSize = 1;
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}
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this._mode = modeCreator.call(mode, this, iv && iv.words);
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},
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_doProcessBlock: function (words, offset) {
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this._mode.processBlock(words, offset);
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},
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_doFinalize: function () {
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// Shortcut
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var padding = this.cfg.padding;
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// Finalize
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if (this._xformMode == this._ENC_XFORM_MODE) {
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// Pad data
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padding.pad(this._data, this.blockSize);
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// Process final blocks
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var finalProcessedBlocks = this._process(!!'flush');
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} else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
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// Process final blocks
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var finalProcessedBlocks = this._process(!!'flush');
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// Unpad data
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padding.unpad(finalProcessedBlocks);
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}
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return finalProcessedBlocks;
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},
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blockSize: 128/32
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});
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/**
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* A collection of cipher parameters.
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*
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* @property {WordArray} ciphertext The raw ciphertext.
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* @property {WordArray} key The key to this ciphertext.
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* @property {WordArray} iv The IV used in the ciphering operation.
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* @property {WordArray} salt The salt used with a key derivation function.
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* @property {Cipher} algorithm The cipher algorithm.
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* @property {Mode} mode The block mode used in the ciphering operation.
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* @property {Padding} padding The padding scheme used in the ciphering operation.
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* @property {number} blockSize The block size of the cipher.
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* @property {Format} formatter The default formatting strategy to convert this cipher params object to a string.
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*/
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var CipherParams = C_lib.CipherParams = Base.extend({
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/**
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* Initializes a newly created cipher params object.
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*
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* @param {Object} cipherParams An object with any of the possible cipher parameters.
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*
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* @example
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*
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* var cipherParams = CryptoJS.lib.CipherParams.create({
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* ciphertext: ciphertextWordArray,
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* key: keyWordArray,
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* iv: ivWordArray,
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* salt: saltWordArray,
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* algorithm: CryptoJS.algo.AES,
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* mode: CryptoJS.mode.CBC,
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* padding: CryptoJS.pad.PKCS7,
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* blockSize: 4,
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* formatter: CryptoJS.format.OpenSSL
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* });
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*/
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init: function (cipherParams) {
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this.mixIn(cipherParams);
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},
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/**
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* Converts this cipher params object to a string.
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*
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* @param {Format} formatter (Optional) The formatting strategy to use.
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*
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* @return {string} The stringified cipher params.
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*
|
||||
* @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;
|
||||
}
|
||||
});
|
||||
}());
|
@ -0,0 +1,712 @@
|
||||
/*
|
||||
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));
|
@ -0,0 +1,109 @@
|
||||
/*
|
||||
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+/='
|
||||
};
|
||||
}());
|
@ -0,0 +1,44 @@
|
||||
/*
|
||||
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;
|
||||
}());
|
@ -0,0 +1,16 @@
|
||||
/*
|
||||
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 () {
|
||||
}
|
||||
};
|
Loading…
Reference in New Issue