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Diffstat (limited to 'library/cryptojs/components/core.js')
| -rw-r--r-- | library/cryptojs/components/core.js | 712 |
1 files changed, 0 insertions, 712 deletions
diff --git a/library/cryptojs/components/core.js b/library/cryptojs/components/core.js deleted file mode 100644 index 996aa07c0..000000000 --- a/library/cryptojs/components/core.js +++ /dev/null @@ -1,712 +0,0 @@ -/* -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));
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