/*CryptoJS v3.1.2code.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.

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