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2346 lines
81 KiB
2346 lines
81 KiB
!(function () { |
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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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* CryptoJS core components. |
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*/ |
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BI.CRYPT_TYPE = BI.CRYPT_TYPE || {}; |
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BI.CRYPT_TYPE.AES = "aes"; |
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|
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var CryptoJS = CryptoJS || (function (Math, undefined) { |
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/** |
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* CryptoJS namespace. |
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*/ |
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var C = {}; |
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|
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/** |
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* Library namespace. |
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*/ |
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var C_lib = C.lib = {}; |
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|
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/** |
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* Base object for prototypal inheritance. |
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*/ |
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var Base = C_lib.Base = (function () { |
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function F () { |
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} |
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|
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return { |
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/** |
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* Creates a new object that inherits from this object. |
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* |
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* @param {Object} overrides Properties to copy into the new object. |
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* |
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* @return {Object} The new object. |
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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 MyType = CryptoJS.lib.Base.extend({ |
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* field: 'value', |
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* |
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* method: function () { |
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* } |
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* }); |
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*/ |
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extend: function (overrides) { |
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// Spawn |
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F.prototype = this; |
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var subtype = new F(); |
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|
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// Augment |
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if (overrides) { |
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subtype.mixIn(overrides); |
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} |
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|
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// Create default initializer |
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if (!subtype.hasOwnProperty('init')) { |
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subtype.init = function () { |
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subtype.$super.init.apply(this, arguments); |
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}; |
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} |
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// Initializer's prototype is the subtype object |
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subtype.init.prototype = subtype; |
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|
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// Reference supertype |
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subtype.$super = this; |
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return subtype; |
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}, |
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/** |
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* Extends this object and runs the init method. |
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* Arguments to create() will be passed to init(). |
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* |
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* @return {Object} The new object. |
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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 instance = MyType.create(); |
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*/ |
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create: function () { |
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var instance = this.extend(); |
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instance.init.apply(instance, arguments); |
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return instance; |
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}, |
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|
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/** |
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* Initializes a newly created object. |
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* Override this method to add some logic when your objects are created. |
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* |
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* @example |
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* |
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* var MyType = CryptoJS.lib.Base.extend({ |
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* init: function () { |
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* // ... |
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* } |
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* }); |
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*/ |
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init: function () { |
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}, |
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|
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/** |
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* Copies properties into this object. |
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* |
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* @param {Object} properties The properties to mix in. |
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* |
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* @example |
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* |
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* MyType.mixIn({ |
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* field: 'value' |
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* }); |
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*/ |
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mixIn: function (properties) { |
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for (var propertyName in properties) { |
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if (properties.hasOwnProperty(propertyName)) { |
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this[propertyName] = properties[propertyName]; |
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} |
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} |
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|
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// IE won't copy toString using the loop above |
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if (properties.hasOwnProperty('toString')) { |
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this.toString = properties.toString; |
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} |
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}, |
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|
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/** |
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* Creates a copy of this object. |
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* |
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* @return {Object} The clone. |
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* |
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* @example |
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* |
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* var clone = instance.clone(); |
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*/ |
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clone: function () { |
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return this.init.prototype.extend(this); |
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} |
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}; |
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}()); |
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|
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/** |
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* An array of 32-bit words. |
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* |
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* @property {Array} words The array of 32-bit words. |
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* @property {number} sigBytes The number of significant bytes in this word array. |
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*/ |
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var WordArray = C_lib.WordArray = Base.extend({ |
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/** |
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* Initializes a newly created word array. |
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* |
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* @param {Array} words (Optional) An array of 32-bit words. |
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* @param {number} sigBytes (Optional) The number of significant bytes in the words. |
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* |
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* @example |
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* |
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* var wordArray = CryptoJS.lib.WordArray.create(); |
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* var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607]); |
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* var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607], 6); |
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*/ |
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init: function (words, sigBytes) { |
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words = this.words = words || []; |
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|
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if (sigBytes != undefined) { |
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this.sigBytes = sigBytes; |
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} else { |
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this.sigBytes = words.length * 4; |
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} |
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}, |
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/** |
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* Converts this word array to a string. |
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* |
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* @param {Encoder} encoder (Optional) The encoding strategy to use. Default: CryptoJS.enc.Hex |
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* |
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* @return {string} The stringified word array. |
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* |
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* @example |
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* |
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* var string = wordArray + ''; |
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* var string = wordArray.toString(); |
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* var string = wordArray.toString(CryptoJS.enc.Utf8); |
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*/ |
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toString: function (encoder) { |
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return (encoder || Hex).stringify(this); |
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}, |
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|
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/** |
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* Concatenates a word array to this word array. |
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* |
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* @param {WordArray} wordArray The word array to append. |
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* |
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* @return {WordArray} This word array. |
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* |
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* @example |
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* |
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* wordArray1.concat(wordArray2); |
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*/ |
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concat: function (wordArray) { |
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// Shortcuts |
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var thisWords = this.words; |
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var thatWords = wordArray.words; |
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var thisSigBytes = this.sigBytes; |
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var thatSigBytes = wordArray.sigBytes; |
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|
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// Clamp excess bits |
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this.clamp(); |
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// Concat |
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if (thisSigBytes % 4) { |
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// Copy one byte at a time |
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for (var i = 0; i < thatSigBytes; i++) { |
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var thatByte = (thatWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; |
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thisWords[(thisSigBytes + i) >>> 2] |= thatByte << (24 - ((thisSigBytes + i) % 4) * 8); |
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} |
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} else if (thatWords.length > 0xffff) { |
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// Copy one word at a time |
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for (var i = 0; i < thatSigBytes; i += 4) { |
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thisWords[(thisSigBytes + i) >>> 2] = thatWords[i >>> 2]; |
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} |
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} else { |
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// Copy all words at once |
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thisWords.push.apply(thisWords, thatWords); |
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} |
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this.sigBytes += thatSigBytes; |
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|
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// Chainable |
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return this; |
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}, |
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|
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/** |
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* Removes insignificant bits. |
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* |
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* @example |
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* |
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* wordArray.clamp(); |
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*/ |
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clamp: function () { |
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// Shortcuts |
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var words = this.words; |
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var sigBytes = this.sigBytes; |
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|
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// Clamp |
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words[sigBytes >>> 2] &= 0xffffffff << (32 - (sigBytes % 4) * 8); |
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words.length = Math.ceil(sigBytes / 4); |
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}, |
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/** |
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* Creates a copy of this word array. |
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* |
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* @return {WordArray} The clone. |
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* |
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* @example |
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* |
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* var clone = wordArray.clone(); |
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*/ |
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clone: function () { |
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var clone = Base.clone.call(this); |
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clone.words = this.words.slice(0); |
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return clone; |
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}, |
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/** |
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* Creates a word array filled with random bytes. |
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* |
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* @param {number} nBytes The number of random bytes to generate. |
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* |
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* @return {WordArray} The random word array. |
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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 wordArray = CryptoJS.lib.WordArray.random(16); |
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*/ |
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random: function (nBytes) { |
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var words = []; |
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for (var i = 0; i < nBytes; i += 4) { |
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words.push((Math.random() * 0x100000000) | 0); |
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} |
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return new WordArray.init(words, nBytes); |
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} |
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}); |
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/** |
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* Encoder namespace. |
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*/ |
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var C_enc = C.enc = {}; |
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|
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/** |
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* Hex encoding strategy. |
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*/ |
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var Hex = C_enc.Hex = { |
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/** |
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* Converts a word array to a hex string. |
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* |
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* @param {WordArray} wordArray The word array. |
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* |
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* @return {string} The hex string. |
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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 hexString = CryptoJS.enc.Hex.stringify(wordArray); |
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*/ |
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stringify: function (wordArray) { |
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// Shortcuts |
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var words = wordArray.words; |
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var sigBytes = wordArray.sigBytes; |
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|
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// Convert |
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var hexChars = []; |
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for (var i = 0; i < sigBytes; i++) { |
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var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; |
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hexChars.push((bite >>> 4).toString(16)); |
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hexChars.push((bite & 0x0f).toString(16)); |
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} |
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return hexChars.join(''); |
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}, |
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/** |
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* Converts a hex string to a word array. |
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* |
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* @param {string} hexStr The hex string. |
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* |
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* @return {WordArray} The word array. |
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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 wordArray = CryptoJS.enc.Hex.parse(hexString); |
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*/ |
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parse: function (hexStr) { |
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// Shortcut |
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var hexStrLength = hexStr.length; |
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|
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// Convert |
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var words = []; |
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for (var i = 0; i < hexStrLength; i += 2) { |
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words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4); |
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} |
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return new WordArray.init(words, hexStrLength / 2); |
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} |
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}; |
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/** |
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* Latin1 encoding strategy. |
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*/ |
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var Latin1 = C_enc.Latin1 = { |
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/** |
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* Converts a word array to a Latin1 string. |
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* |
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* @param {WordArray} wordArray The word array. |
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* |
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* @return {string} The Latin1 string. |
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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 latin1String = CryptoJS.enc.Latin1.stringify(wordArray); |
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*/ |
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stringify: function (wordArray) { |
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// Shortcuts |
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var words = wordArray.words; |
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var sigBytes = wordArray.sigBytes; |
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|
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// Convert |
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var latin1Chars = []; |
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for (var i = 0; i < sigBytes; i++) { |
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var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; |
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latin1Chars.push(String.fromCharCode(bite)); |
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} |
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return latin1Chars.join(''); |
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}, |
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/** |
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* Converts a Latin1 string to a word array. |
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* |
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* @param {string} latin1Str The Latin1 string. |
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* |
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* @return {WordArray} The word array. |
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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 wordArray = CryptoJS.enc.Latin1.parse(latin1String); |
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*/ |
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parse: function (latin1Str) { |
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// Shortcut |
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var latin1StrLength = latin1Str.length; |
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|
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// Convert |
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var words = []; |
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for (var i = 0; i < latin1StrLength; i++) { |
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words[i >>> 2] |= (latin1Str.charCodeAt(i) & 0xff) << (24 - (i % 4) * 8); |
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} |
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return new WordArray.init(words, latin1StrLength); |
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} |
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}; |
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|
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/** |
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* UTF-8 encoding strategy. |
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*/ |
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var Utf8 = C_enc.Utf8 = { |
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/** |
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* Converts a word array to a UTF-8 string. |
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* |
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* @param {WordArray} wordArray The word array. |
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* |
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* @return {string} The UTF-8 string. |
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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 utf8String = CryptoJS.enc.Utf8.stringify(wordArray); |
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*/ |
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stringify: function (wordArray) { |
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try { |
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return decodeURIComponent(escape(Latin1.stringify(wordArray))); |
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} catch (e) { |
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throw new Error('Malformed UTF-8 data'); |
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} |
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}, |
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|
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/** |
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* Converts a UTF-8 string to a word array. |
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* |
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* @param {string} utf8Str The UTF-8 string. |
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* |
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* @return {WordArray} The word array. |
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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 wordArray = CryptoJS.enc.Utf8.parse(utf8String); |
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*/ |
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parse: function (utf8Str) { |
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return Latin1.parse(unescape(encodeURIComponent(utf8Str))); |
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} |
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}; |
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|
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/** |
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* Abstract buffered block algorithm template. |
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* |
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* The property blockSize must be implemented in a concrete subtype. |
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* |
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* @property {number} _minBufferSize The number of blocks that should be kept unprocessed in the buffer. Default: 0 |
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*/ |
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var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm = Base.extend({ |
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/** |
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* Resets this block algorithm's data buffer to its initial state. |
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* |
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* @example |
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* |
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* bufferedBlockAlgorithm.reset(); |
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*/ |
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reset: function () { |
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// Initial values |
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this._data = new WordArray.init(); |
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this._nDataBytes = 0; |
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}, |
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|
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/** |
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* Adds new data to this block algorithm's buffer. |
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* |
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* @param {WordArray|string} data The data to append. Strings are converted to a WordArray using UTF-8. |
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* |
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* @example |
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* |
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* bufferedBlockAlgorithm._append('data'); |
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* bufferedBlockAlgorithm._append(wordArray); |
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*/ |
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_append: function (data) { |
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// Convert string to WordArray, else assume WordArray already |
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if (typeof data == 'string') { |
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data = Utf8.parse(data); |
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} |
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|
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// Append |
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this._data.concat(data); |
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this._nDataBytes += data.sigBytes; |
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}, |
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|
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/** |
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* Processes available data blocks. |
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* |
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* This method invokes _doProcessBlock(offset), which must be implemented by a concrete subtype. |
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* |
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* @param {boolean} doFlush Whether all blocks and partial blocks should be processed. |
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* |
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* @return {WordArray} The processed data. |
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* |
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* @example |
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* |
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* var processedData = bufferedBlockAlgorithm._process(); |
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* var processedData = bufferedBlockAlgorithm._process(!!'flush'); |
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*/ |
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_process: function (doFlush) { |
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// Shortcuts |
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var data = this._data; |
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var dataWords = data.words; |
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var dataSigBytes = data.sigBytes; |
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var blockSize = this.blockSize; |
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var blockSizeBytes = blockSize * 4; |
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|
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// Count blocks ready |
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var nBlocksReady = dataSigBytes / blockSizeBytes; |
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if (doFlush) { |
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// Round up to include partial blocks |
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nBlocksReady = Math.ceil(nBlocksReady); |
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} else { |
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// Round down to include only full blocks, |
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// less the number of blocks that must remain in the buffer |
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nBlocksReady = Math.max((nBlocksReady | 0) - this._minBufferSize, 0); |
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} |
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|
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// Count words ready |
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var nWordsReady = nBlocksReady * blockSize; |
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|
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// Count bytes ready |
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var nBytesReady = Math.min(nWordsReady * 4, dataSigBytes); |
|
|
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// Process blocks |
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if (nWordsReady) { |
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for (var offset = 0; offset < nWordsReady; offset += blockSize) { |
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// Perform concrete-algorithm logic |
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this._doProcessBlock(dataWords, offset); |
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} |
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|
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// Remove processed words |
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var processedWords = dataWords.splice(0, nWordsReady); |
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data.sigBytes -= nBytesReady; |
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} |
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|
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// Return processed words |
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return new WordArray.init(processedWords, nBytesReady); |
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}, |
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|
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/** |
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* Creates a copy of this object. |
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* |
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* @return {Object} The clone. |
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* |
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* @example |
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* |
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* var clone = bufferedBlockAlgorithm.clone(); |
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*/ |
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clone: function () { |
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var clone = Base.clone.call(this); |
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clone._data = this._data.clone(); |
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|
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return clone; |
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}, |
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|
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_minBufferSize: 0 |
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}); |
|
|
|
/** |
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* Abstract hasher template. |
|
* |
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* @property {number} blockSize The number of 32-bit words this hasher operates on. Default: 16 (512 bits) |
|
*/ |
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var Hasher = C_lib.Hasher = BufferedBlockAlgorithm.extend({ |
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/** |
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* Configuration options. |
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*/ |
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cfg: Base.extend(), |
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|
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/** |
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* Initializes a newly created hasher. |
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* |
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* @param {Object} cfg (Optional) The configuration options to use for this hash computation. |
|
* |
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* @example |
|
* |
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* var hasher = CryptoJS.algo.SHA256.create(); |
|
*/ |
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init: function (cfg) { |
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// Apply config defaults |
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this.cfg = this.cfg.extend(cfg); |
|
|
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// Set initial values |
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this.reset(); |
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}, |
|
|
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/** |
|
* Resets this hasher to its initial state. |
|
* |
|
* @example |
|
* |
|
* hasher.reset(); |
|
*/ |
|
reset: function () { |
|
// Reset data buffer |
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BufferedBlockAlgorithm.reset.call(this); |
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|
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// Perform concrete-hasher logic |
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this._doReset(); |
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}, |
|
|
|
/** |
|
* Updates this hasher with a message. |
|
* |
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* @param {WordArray|string} messageUpdate The message to append. |
|
* |
|
* @return {Hasher} This hasher. |
|
* |
|
* @example |
|
* |
|
* hasher.update('message'); |
|
* hasher.update(wordArray); |
|
*/ |
|
update: function (messageUpdate) { |
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// Append |
|
this._append(messageUpdate); |
|
|
|
// Update the hash |
|
this._process(); |
|
|
|
// Chainable |
|
return this; |
|
}, |
|
|
|
/** |
|
* Finalizes the hash computation. |
|
* Note that the finalize operation is effectively a destructive, read-once operation. |
|
* |
|
* @param {WordArray|string} messageUpdate (Optional) A final message update. |
|
* |
|
* @return {WordArray} The hash. |
|
* |
|
* @example |
|
* |
|
* var hash = hasher.finalize(); |
|
* var hash = hasher.finalize('message'); |
|
* var hash = hasher.finalize(wordArray); |
|
*/ |
|
finalize: function (messageUpdate) { |
|
// Final message update |
|
if (messageUpdate) { |
|
this._append(messageUpdate); |
|
} |
|
|
|
// Perform concrete-hasher logic |
|
var hash = this._doFinalize(); |
|
|
|
return hash; |
|
}, |
|
|
|
blockSize: 512 / 32, |
|
|
|
/** |
|
* Creates a shortcut function to a hasher's object interface. |
|
* |
|
* @param {Hasher} hasher The hasher to create a helper for. |
|
* |
|
* @return {Function} The shortcut function. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var SHA256 = CryptoJS.lib.Hasher._createHelper(CryptoJS.algo.SHA256); |
|
*/ |
|
_createHelper: function (hasher) { |
|
return function (message, cfg) { |
|
return new hasher.init(cfg).finalize(message); |
|
}; |
|
}, |
|
|
|
/** |
|
* Creates a shortcut function to the HMAC's object interface. |
|
* |
|
* @param {Hasher} hasher The hasher to use in this HMAC helper. |
|
* |
|
* @return {Function} The shortcut function. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var HmacSHA256 = CryptoJS.lib.Hasher._createHmacHelper(CryptoJS.algo.SHA256); |
|
*/ |
|
_createHmacHelper: function (hasher) { |
|
return function (message, key) { |
|
return new C_algo.HMAC.init(hasher, key).finalize(message); |
|
}; |
|
} |
|
}); |
|
|
|
/** |
|
* Algorithm namespace. |
|
*/ |
|
var C_algo = C.algo = {}; |
|
|
|
return C; |
|
}(Math)); |
|
|
|
/* |
|
CryptoJS v3.1.2 |
|
code.google.com/p/crypto-js |
|
(c) 2009-2013 by Jeff Mott. All rights reserved. |
|
code.google.com/p/crypto-js/wiki/License |
|
*/ |
|
(function () { |
|
// Shortcuts |
|
var C = CryptoJS; |
|
var C_lib = C.lib; |
|
var WordArray = C_lib.WordArray; |
|
var C_enc = C.enc; |
|
|
|
/** |
|
* Base64 encoding strategy. |
|
*/ |
|
var Base64 = C_enc.Base64 = { |
|
/** |
|
* Converts a word array to a Base64 string. |
|
* |
|
* @param {WordArray} wordArray The word array. |
|
* |
|
* @return {string} The Base64 string. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var base64String = CryptoJS.enc.Base64.stringify(wordArray); |
|
*/ |
|
stringify: function (wordArray) { |
|
// Shortcuts |
|
var words = wordArray.words; |
|
var sigBytes = wordArray.sigBytes; |
|
var map = this._map; |
|
|
|
// Clamp excess bits |
|
wordArray.clamp(); |
|
|
|
// Convert |
|
var base64Chars = []; |
|
for (var i = 0; i < sigBytes; i += 3) { |
|
var byte1 = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff; |
|
var byte2 = (words[(i + 1) >>> 2] >>> (24 - ((i + 1) % 4) * 8)) & 0xff; |
|
var byte3 = (words[(i + 2) >>> 2] >>> (24 - ((i + 2) % 4) * 8)) & 0xff; |
|
|
|
var triplet = (byte1 << 16) | (byte2 << 8) | byte3; |
|
|
|
for (var j = 0; (j < 4) && (i + j * 0.75 < sigBytes); j++) { |
|
base64Chars.push(map.charAt((triplet >>> (6 * (3 - j))) & 0x3f)); |
|
} |
|
} |
|
|
|
// Add padding |
|
var paddingChar = map.charAt(64); |
|
if (paddingChar) { |
|
while (base64Chars.length % 4) { |
|
base64Chars.push(paddingChar); |
|
} |
|
} |
|
|
|
return base64Chars.join(''); |
|
}, |
|
|
|
/** |
|
* Converts a Base64 string to a word array. |
|
* |
|
* @param {string} base64Str The Base64 string. |
|
* |
|
* @return {WordArray} The word array. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var wordArray = CryptoJS.enc.Base64.parse(base64String); |
|
*/ |
|
parse: function (base64Str) { |
|
// Shortcuts |
|
var base64StrLength = base64Str.length; |
|
var map = this._map; |
|
|
|
// Ignore padding |
|
var paddingChar = map.charAt(64); |
|
if (paddingChar) { |
|
var paddingIndex = base64Str.indexOf(paddingChar); |
|
if (paddingIndex != -1) { |
|
base64StrLength = paddingIndex; |
|
} |
|
} |
|
|
|
// Convert |
|
var words = []; |
|
var nBytes = 0; |
|
for (var i = 0; i < base64StrLength; i++) { |
|
if (i % 4) { |
|
var bits1 = map.indexOf(base64Str.charAt(i - 1)) << ((i % 4) * 2); |
|
var bits2 = map.indexOf(base64Str.charAt(i)) >>> (6 - (i % 4) * 2); |
|
words[nBytes >>> 2] |= (bits1 | bits2) << (24 - (nBytes % 4) * 8); |
|
nBytes++; |
|
} |
|
} |
|
|
|
return WordArray.create(words, nBytes); |
|
}, |
|
|
|
_map: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=' |
|
}; |
|
}()); |
|
|
|
/* |
|
CryptoJS v3.1.2 |
|
code.google.com/p/crypto-js |
|
(c) 2009-2013 by Jeff Mott. All rights reserved. |
|
code.google.com/p/crypto-js/wiki/License |
|
*/ |
|
(function (Math) { |
|
// Shortcuts |
|
var C = CryptoJS; |
|
var C_lib = C.lib; |
|
var WordArray = C_lib.WordArray; |
|
var Hasher = C_lib.Hasher; |
|
var C_algo = C.algo; |
|
|
|
// Constants table |
|
var T = []; |
|
|
|
// Compute constants |
|
(function () { |
|
for (var i = 0; i < 64; i++) { |
|
T[i] = (Math.abs(Math.sin(i + 1)) * 0x100000000) | 0; |
|
} |
|
}()); |
|
|
|
/** |
|
* MD5 hash algorithm. |
|
*/ |
|
var MD5 = C_algo.MD5 = Hasher.extend({ |
|
_doReset: function () { |
|
this._hash = new WordArray.init([ |
|
0x67452301, 0xefcdab89, |
|
0x98badcfe, 0x10325476 |
|
]); |
|
}, |
|
|
|
_doProcessBlock: function (M, offset) { |
|
// Swap endian |
|
for (var i = 0; i < 16; i++) { |
|
// Shortcuts |
|
var offset_i = offset + i; |
|
var M_offset_i = M[offset_i]; |
|
|
|
M[offset_i] = ( |
|
(((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) | |
|
(((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00) |
|
); |
|
} |
|
|
|
// Shortcuts |
|
var H = this._hash.words; |
|
|
|
var M_offset_0 = M[offset + 0]; |
|
var M_offset_1 = M[offset + 1]; |
|
var M_offset_2 = M[offset + 2]; |
|
var M_offset_3 = M[offset + 3]; |
|
var M_offset_4 = M[offset + 4]; |
|
var M_offset_5 = M[offset + 5]; |
|
var M_offset_6 = M[offset + 6]; |
|
var M_offset_7 = M[offset + 7]; |
|
var M_offset_8 = M[offset + 8]; |
|
var M_offset_9 = M[offset + 9]; |
|
var M_offset_10 = M[offset + 10]; |
|
var M_offset_11 = M[offset + 11]; |
|
var M_offset_12 = M[offset + 12]; |
|
var M_offset_13 = M[offset + 13]; |
|
var M_offset_14 = M[offset + 14]; |
|
var M_offset_15 = M[offset + 15]; |
|
|
|
// Working varialbes |
|
var a = H[0]; |
|
var b = H[1]; |
|
var c = H[2]; |
|
var d = H[3]; |
|
|
|
// Computation |
|
a = FF(a, b, c, d, M_offset_0, 7, T[0]); |
|
d = FF(d, a, b, c, M_offset_1, 12, T[1]); |
|
c = FF(c, d, a, b, M_offset_2, 17, T[2]); |
|
b = FF(b, c, d, a, M_offset_3, 22, T[3]); |
|
a = FF(a, b, c, d, M_offset_4, 7, T[4]); |
|
d = FF(d, a, b, c, M_offset_5, 12, T[5]); |
|
c = FF(c, d, a, b, M_offset_6, 17, T[6]); |
|
b = FF(b, c, d, a, M_offset_7, 22, T[7]); |
|
a = FF(a, b, c, d, M_offset_8, 7, T[8]); |
|
d = FF(d, a, b, c, M_offset_9, 12, T[9]); |
|
c = FF(c, d, a, b, M_offset_10, 17, T[10]); |
|
b = FF(b, c, d, a, M_offset_11, 22, T[11]); |
|
a = FF(a, b, c, d, M_offset_12, 7, T[12]); |
|
d = FF(d, a, b, c, M_offset_13, 12, T[13]); |
|
c = FF(c, d, a, b, M_offset_14, 17, T[14]); |
|
b = FF(b, c, d, a, M_offset_15, 22, T[15]); |
|
|
|
a = GG(a, b, c, d, M_offset_1, 5, T[16]); |
|
d = GG(d, a, b, c, M_offset_6, 9, T[17]); |
|
c = GG(c, d, a, b, M_offset_11, 14, T[18]); |
|
b = GG(b, c, d, a, M_offset_0, 20, T[19]); |
|
a = GG(a, b, c, d, M_offset_5, 5, T[20]); |
|
d = GG(d, a, b, c, M_offset_10, 9, T[21]); |
|
c = GG(c, d, a, b, M_offset_15, 14, T[22]); |
|
b = GG(b, c, d, a, M_offset_4, 20, T[23]); |
|
a = GG(a, b, c, d, M_offset_9, 5, T[24]); |
|
d = GG(d, a, b, c, M_offset_14, 9, T[25]); |
|
c = GG(c, d, a, b, M_offset_3, 14, T[26]); |
|
b = GG(b, c, d, a, M_offset_8, 20, T[27]); |
|
a = GG(a, b, c, d, M_offset_13, 5, T[28]); |
|
d = GG(d, a, b, c, M_offset_2, 9, T[29]); |
|
c = GG(c, d, a, b, M_offset_7, 14, T[30]); |
|
b = GG(b, c, d, a, M_offset_12, 20, T[31]); |
|
|
|
a = HH(a, b, c, d, M_offset_5, 4, T[32]); |
|
d = HH(d, a, b, c, M_offset_8, 11, T[33]); |
|
c = HH(c, d, a, b, M_offset_11, 16, T[34]); |
|
b = HH(b, c, d, a, M_offset_14, 23, T[35]); |
|
a = HH(a, b, c, d, M_offset_1, 4, T[36]); |
|
d = HH(d, a, b, c, M_offset_4, 11, T[37]); |
|
c = HH(c, d, a, b, M_offset_7, 16, T[38]); |
|
b = HH(b, c, d, a, M_offset_10, 23, T[39]); |
|
a = HH(a, b, c, d, M_offset_13, 4, T[40]); |
|
d = HH(d, a, b, c, M_offset_0, 11, T[41]); |
|
c = HH(c, d, a, b, M_offset_3, 16, T[42]); |
|
b = HH(b, c, d, a, M_offset_6, 23, T[43]); |
|
a = HH(a, b, c, d, M_offset_9, 4, T[44]); |
|
d = HH(d, a, b, c, M_offset_12, 11, T[45]); |
|
c = HH(c, d, a, b, M_offset_15, 16, T[46]); |
|
b = HH(b, c, d, a, M_offset_2, 23, T[47]); |
|
|
|
a = II(a, b, c, d, M_offset_0, 6, T[48]); |
|
d = II(d, a, b, c, M_offset_7, 10, T[49]); |
|
c = II(c, d, a, b, M_offset_14, 15, T[50]); |
|
b = II(b, c, d, a, M_offset_5, 21, T[51]); |
|
a = II(a, b, c, d, M_offset_12, 6, T[52]); |
|
d = II(d, a, b, c, M_offset_3, 10, T[53]); |
|
c = II(c, d, a, b, M_offset_10, 15, T[54]); |
|
b = II(b, c, d, a, M_offset_1, 21, T[55]); |
|
a = II(a, b, c, d, M_offset_8, 6, T[56]); |
|
d = II(d, a, b, c, M_offset_15, 10, T[57]); |
|
c = II(c, d, a, b, M_offset_6, 15, T[58]); |
|
b = II(b, c, d, a, M_offset_13, 21, T[59]); |
|
a = II(a, b, c, d, M_offset_4, 6, T[60]); |
|
d = II(d, a, b, c, M_offset_11, 10, T[61]); |
|
c = II(c, d, a, b, M_offset_2, 15, T[62]); |
|
b = II(b, c, d, a, M_offset_9, 21, T[63]); |
|
|
|
// Intermediate hash value |
|
H[0] = (H[0] + a) | 0; |
|
H[1] = (H[1] + b) | 0; |
|
H[2] = (H[2] + c) | 0; |
|
H[3] = (H[3] + d) | 0; |
|
}, |
|
|
|
_doFinalize: function () { |
|
// Shortcuts |
|
var data = this._data; |
|
var dataWords = data.words; |
|
|
|
var nBitsTotal = this._nDataBytes * 8; |
|
var nBitsLeft = data.sigBytes * 8; |
|
|
|
// Add padding |
|
dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32); |
|
|
|
var nBitsTotalH = Math.floor(nBitsTotal / 0x100000000); |
|
var nBitsTotalL = nBitsTotal; |
|
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = ( |
|
(((nBitsTotalH << 8) | (nBitsTotalH >>> 24)) & 0x00ff00ff) | |
|
(((nBitsTotalH << 24) | (nBitsTotalH >>> 8)) & 0xff00ff00) |
|
); |
|
dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = ( |
|
(((nBitsTotalL << 8) | (nBitsTotalL >>> 24)) & 0x00ff00ff) | |
|
(((nBitsTotalL << 24) | (nBitsTotalL >>> 8)) & 0xff00ff00) |
|
); |
|
|
|
data.sigBytes = (dataWords.length + 1) * 4; |
|
|
|
// Hash final blocks |
|
this._process(); |
|
|
|
// Shortcuts |
|
var hash = this._hash; |
|
var H = hash.words; |
|
|
|
// Swap endian |
|
for (var i = 0; i < 4; i++) { |
|
// Shortcut |
|
var H_i = H[i]; |
|
|
|
H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) | |
|
(((H_i << 24) | (H_i >>> 8)) & 0xff00ff00); |
|
} |
|
|
|
// Return final computed hash |
|
return hash; |
|
}, |
|
|
|
clone: function () { |
|
var clone = Hasher.clone.call(this); |
|
clone._hash = this._hash.clone(); |
|
|
|
return clone; |
|
} |
|
}); |
|
|
|
function FF (a, b, c, d, x, s, t) { |
|
var n = a + ((b & c) | (~b & d)) + x + t; |
|
return ((n << s) | (n >>> (32 - s))) + b; |
|
} |
|
|
|
function GG (a, b, c, d, x, s, t) { |
|
var n = a + ((b & d) | (c & ~d)) + x + t; |
|
return ((n << s) | (n >>> (32 - s))) + b; |
|
} |
|
|
|
function HH (a, b, c, d, x, s, t) { |
|
var n = a + (b ^ c ^ d) + x + t; |
|
return ((n << s) | (n >>> (32 - s))) + b; |
|
} |
|
|
|
function II (a, b, c, d, x, s, t) { |
|
var n = a + (c ^ (b | ~d)) + x + t; |
|
return ((n << s) | (n >>> (32 - s))) + b; |
|
} |
|
|
|
/** |
|
* Shortcut function to the hasher's object interface. |
|
* |
|
* @param {WordArray|string} message The message to hash. |
|
* |
|
* @return {WordArray} The hash. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var hash = CryptoJS.MD5('message'); |
|
* var hash = CryptoJS.MD5(wordArray); |
|
*/ |
|
C.MD5 = Hasher._createHelper(MD5); |
|
|
|
/** |
|
* Shortcut function to the HMAC's object interface. |
|
* |
|
* @param {WordArray|string} message The message to hash. |
|
* @param {WordArray|string} key The secret key. |
|
* |
|
* @return {WordArray} The HMAC. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var hmac = CryptoJS.HmacMD5(message, key); |
|
*/ |
|
C.HmacMD5 = Hasher._createHmacHelper(MD5); |
|
}(Math)); |
|
|
|
/* |
|
CryptoJS v3.1.2 |
|
code.google.com/p/crypto-js |
|
(c) 2009-2013 by Jeff Mott. All rights reserved. |
|
code.google.com/p/crypto-js/wiki/License |
|
*/ |
|
(function () { |
|
// Shortcuts |
|
var C = CryptoJS; |
|
var C_lib = C.lib; |
|
var Base = C_lib.Base; |
|
var WordArray = C_lib.WordArray; |
|
var C_algo = C.algo; |
|
var MD5 = C_algo.MD5; |
|
|
|
/** |
|
* This key derivation function is meant to conform with EVP_BytesToKey. |
|
* www.openssl.org/docs/crypto/EVP_BytesToKey.html |
|
*/ |
|
var EvpKDF = C_algo.EvpKDF = Base.extend({ |
|
/** |
|
* Configuration options. |
|
* |
|
* @property {number} keySize The key size in words to generate. Default: 4 (128 bits) |
|
* @property {Hasher} hasher The hash algorithm to use. Default: MD5 |
|
* @property {number} iterations The number of iterations to perform. Default: 1 |
|
*/ |
|
cfg: Base.extend({ |
|
keySize: 128 / 32, |
|
hasher: MD5, |
|
iterations: 1 |
|
}), |
|
|
|
/** |
|
* Initializes a newly created key derivation function. |
|
* |
|
* @param {Object} cfg (Optional) The configuration options to use for the derivation. |
|
* |
|
* @example |
|
* |
|
* var kdf = CryptoJS.algo.EvpKDF.create(); |
|
* var kdf = CryptoJS.algo.EvpKDF.create({ keySize: 8 }); |
|
* var kdf = CryptoJS.algo.EvpKDF.create({ keySize: 8, iterations: 1000 }); |
|
*/ |
|
init: function (cfg) { |
|
this.cfg = this.cfg.extend(cfg); |
|
}, |
|
|
|
/** |
|
* Derives a key from a password. |
|
* |
|
* @param {WordArray|string} password The password. |
|
* @param {WordArray|string} salt A salt. |
|
* |
|
* @return {WordArray} The derived key. |
|
* |
|
* @example |
|
* |
|
* var key = kdf.compute(password, salt); |
|
*/ |
|
compute: function (password, salt) { |
|
// Shortcut |
|
var cfg = this.cfg; |
|
|
|
// Init hasher |
|
var hasher = cfg.hasher.create(); |
|
|
|
// Initial values |
|
var derivedKey = WordArray.create(); |
|
|
|
// Shortcuts |
|
var derivedKeyWords = derivedKey.words; |
|
var keySize = cfg.keySize; |
|
var iterations = cfg.iterations; |
|
|
|
// Generate key |
|
while (derivedKeyWords.length < keySize) { |
|
if (block) { |
|
hasher.update(block); |
|
} |
|
var block = hasher.update(password).finalize(salt); |
|
hasher.reset(); |
|
|
|
// Iterations |
|
for (var i = 1; i < iterations; i++) { |
|
block = hasher.finalize(block); |
|
hasher.reset(); |
|
} |
|
|
|
derivedKey.concat(block); |
|
} |
|
derivedKey.sigBytes = keySize * 4; |
|
|
|
return derivedKey; |
|
} |
|
}); |
|
|
|
/** |
|
* Derives a key from a password. |
|
* |
|
* @param {WordArray|string} password The password. |
|
* @param {WordArray|string} salt A salt. |
|
* @param {Object} cfg (Optional) The configuration options to use for this computation. |
|
* |
|
* @return {WordArray} The derived key. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var key = CryptoJS.EvpKDF(password, salt); |
|
* var key = CryptoJS.EvpKDF(password, salt, { keySize: 8 }); |
|
* var key = CryptoJS.EvpKDF(password, salt, { keySize: 8, iterations: 1000 }); |
|
*/ |
|
C.EvpKDF = function (password, salt, cfg) { |
|
return EvpKDF.create(cfg).compute(password, salt); |
|
}; |
|
}()); |
|
|
|
|
|
/* |
|
CryptoJS v3.1.2 |
|
code.google.com/p/crypto-js |
|
(c) 2009-2013 by Jeff Mott. All rights reserved. |
|
code.google.com/p/crypto-js/wiki/License |
|
*/ |
|
/** |
|
* Cipher core components. |
|
*/ |
|
CryptoJS.lib.Cipher || (function (undefined) { |
|
// Shortcuts |
|
var C = CryptoJS; |
|
var C_lib = C.lib; |
|
var Base = C_lib.Base; |
|
var WordArray = C_lib.WordArray; |
|
var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm; |
|
var C_enc = C.enc; |
|
var Utf8 = C_enc.Utf8; |
|
var Base64 = C_enc.Base64; |
|
var C_algo = C.algo; |
|
var EvpKDF = C_algo.EvpKDF; |
|
|
|
/** |
|
* Abstract base cipher template. |
|
* |
|
* @property {number} keySize This cipher's key size. Default: 4 (128 bits) |
|
* @property {number} ivSize This cipher's IV size. Default: 4 (128 bits) |
|
* @property {number} _ENC_XFORM_MODE A constant representing encryption mode. |
|
* @property {number} _DEC_XFORM_MODE A constant representing decryption mode. |
|
*/ |
|
var Cipher = C_lib.Cipher = BufferedBlockAlgorithm.extend({ |
|
/** |
|
* Configuration options. |
|
* |
|
* @property {WordArray} iv The IV to use for this operation. |
|
*/ |
|
cfg: Base.extend(), |
|
|
|
/** |
|
* Creates this cipher in encryption mode. |
|
* |
|
* @param {WordArray} key The key. |
|
* @param {Object} cfg (Optional) The configuration options to use for this operation. |
|
* |
|
* @return {Cipher} A cipher instance. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var cipher = CryptoJS.algo.AES.createEncryptor(keyWordArray, { iv: ivWordArray }); |
|
*/ |
|
createEncryptor: function (key, cfg) { |
|
return this.create(this._ENC_XFORM_MODE, key, cfg); |
|
}, |
|
|
|
/** |
|
* Creates this cipher in decryption mode. |
|
* |
|
* @param {WordArray} key The key. |
|
* @param {Object} cfg (Optional) The configuration options to use for this operation. |
|
* |
|
* @return {Cipher} A cipher instance. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var cipher = CryptoJS.algo.AES.createDecryptor(keyWordArray, { iv: ivWordArray }); |
|
*/ |
|
createDecryptor: function (key, cfg) { |
|
return this.create(this._DEC_XFORM_MODE, key, cfg); |
|
}, |
|
|
|
/** |
|
* Initializes a newly created cipher. |
|
* |
|
* @param {number} xformMode Either the encryption or decryption transormation mode constant. |
|
* @param {WordArray} key The key. |
|
* @param {Object} cfg (Optional) The configuration options to use for this operation. |
|
* |
|
* @example |
|
* |
|
* var cipher = CryptoJS.algo.AES.create(CryptoJS.algo.AES._ENC_XFORM_MODE, keyWordArray, { iv: ivWordArray }); |
|
*/ |
|
init: function (xformMode, key, cfg) { |
|
// Apply config defaults |
|
this.cfg = this.cfg.extend(cfg); |
|
|
|
// Store transform mode and key |
|
this._xformMode = xformMode; |
|
this._key = key; |
|
|
|
// Set initial values |
|
this.reset(); |
|
}, |
|
|
|
/** |
|
* Resets this cipher to its initial state. |
|
* |
|
* @example |
|
* |
|
* cipher.reset(); |
|
*/ |
|
reset: function () { |
|
// Reset data buffer |
|
BufferedBlockAlgorithm.reset.call(this); |
|
|
|
// Perform concrete-cipher logic |
|
this._doReset(); |
|
}, |
|
|
|
/** |
|
* Adds data to be encrypted or decrypted. |
|
* |
|
* @param {WordArray|string} dataUpdate The data to encrypt or decrypt. |
|
* |
|
* @return {WordArray} The data after processing. |
|
* |
|
* @example |
|
* |
|
* var encrypted = cipher.process('data'); |
|
* var encrypted = cipher.process(wordArray); |
|
*/ |
|
process: function (dataUpdate) { |
|
// Append |
|
this._append(dataUpdate); |
|
|
|
// Process available blocks |
|
return this._process(); |
|
}, |
|
|
|
/** |
|
* Finalizes the encryption or decryption process. |
|
* Note that the finalize operation is effectively a destructive, read-once operation. |
|
* |
|
* @param {WordArray|string} dataUpdate The final data to encrypt or decrypt. |
|
* |
|
* @return {WordArray} The data after final processing. |
|
* |
|
* @example |
|
* |
|
* var encrypted = cipher.finalize(); |
|
* var encrypted = cipher.finalize('data'); |
|
* var encrypted = cipher.finalize(wordArray); |
|
*/ |
|
finalize: function (dataUpdate) { |
|
// Final data update |
|
if (dataUpdate) { |
|
this._append(dataUpdate); |
|
} |
|
|
|
// Perform concrete-cipher logic |
|
var finalProcessedData = this._doFinalize(); |
|
|
|
return finalProcessedData; |
|
}, |
|
|
|
keySize: 128 / 32, |
|
|
|
ivSize: 128 / 32, |
|
|
|
_ENC_XFORM_MODE: 1, |
|
|
|
_DEC_XFORM_MODE: 2, |
|
|
|
/** |
|
* Creates shortcut functions to a cipher's object interface. |
|
* |
|
* @param {Cipher} cipher The cipher to create a helper for. |
|
* |
|
* @return {Object} An object with encrypt and decrypt shortcut functions. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var AES = CryptoJS.lib.Cipher._createHelper(CryptoJS.algo.AES); |
|
*/ |
|
_createHelper: (function () { |
|
function selectCipherStrategy (key) { |
|
if (typeof key == 'string') { |
|
return PasswordBasedCipher; |
|
} else { |
|
return SerializableCipher; |
|
} |
|
} |
|
|
|
return function (cipher) { |
|
return { |
|
encrypt: function (message, key, cfg) { |
|
return selectCipherStrategy(key).encrypt(cipher, message, key, cfg); |
|
}, |
|
|
|
decrypt: function (ciphertext, key, cfg) { |
|
return selectCipherStrategy(key).decrypt(cipher, ciphertext, key, cfg); |
|
} |
|
}; |
|
}; |
|
}()) |
|
}); |
|
|
|
/** |
|
* Abstract base stream cipher template. |
|
* |
|
* @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 1 (32 bits) |
|
*/ |
|
var StreamCipher = C_lib.StreamCipher = Cipher.extend({ |
|
_doFinalize: function () { |
|
// Process partial blocks |
|
var finalProcessedBlocks = this._process(!!'flush'); |
|
|
|
return finalProcessedBlocks; |
|
}, |
|
|
|
blockSize: 1 |
|
}); |
|
|
|
/** |
|
* Mode namespace. |
|
*/ |
|
var C_mode = C.mode = {}; |
|
|
|
/** |
|
* Abstract base block cipher mode template. |
|
*/ |
|
var BlockCipherMode = C_lib.BlockCipherMode = Base.extend({ |
|
/** |
|
* Creates this mode for encryption. |
|
* |
|
* @param {Cipher} cipher A block cipher instance. |
|
* @param {Array} iv The IV words. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var mode = CryptoJS.mode.CBC.createEncryptor(cipher, iv.words); |
|
*/ |
|
createEncryptor: function (cipher, iv) { |
|
return this.Encryptor.create(cipher, iv); |
|
}, |
|
|
|
/** |
|
* Creates this mode for decryption. |
|
* |
|
* @param {Cipher} cipher A block cipher instance. |
|
* @param {Array} iv The IV words. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var mode = CryptoJS.mode.CBC.createDecryptor(cipher, iv.words); |
|
*/ |
|
createDecryptor: function (cipher, iv) { |
|
return this.Decryptor.create(cipher, iv); |
|
}, |
|
|
|
/** |
|
* Initializes a newly created mode. |
|
* |
|
* @param {Cipher} cipher A block cipher instance. |
|
* @param {Array} iv The IV words. |
|
* |
|
* @example |
|
* |
|
* var mode = CryptoJS.mode.CBC.Encryptor.create(cipher, iv.words); |
|
*/ |
|
init: function (cipher, iv) { |
|
this._cipher = cipher; |
|
this._iv = iv; |
|
} |
|
}); |
|
|
|
/** |
|
* Cipher Block Chaining mode. |
|
*/ |
|
var CBC = C_mode.CBC = (function () { |
|
/** |
|
* Abstract base CBC mode. |
|
*/ |
|
var CBC = BlockCipherMode.extend(); |
|
|
|
/** |
|
* CBC encryptor. |
|
*/ |
|
CBC.Encryptor = CBC.extend({ |
|
/** |
|
* Processes the data block at offset. |
|
* |
|
* @param {Array} words The data words to operate on. |
|
* @param {number} offset The offset where the block starts. |
|
* |
|
* @example |
|
* |
|
* mode.processBlock(data.words, offset); |
|
*/ |
|
processBlock: function (words, offset) { |
|
// Shortcuts |
|
var cipher = this._cipher; |
|
var blockSize = cipher.blockSize; |
|
|
|
// XOR and encrypt |
|
xorBlock.call(this, words, offset, blockSize); |
|
cipher.encryptBlock(words, offset); |
|
|
|
// Remember this block to use with next block |
|
this._prevBlock = words.slice(offset, offset + blockSize); |
|
} |
|
}); |
|
|
|
/** |
|
* CBC decryptor. |
|
*/ |
|
CBC.Decryptor = CBC.extend({ |
|
/** |
|
* Processes the data block at offset. |
|
* |
|
* @param {Array} words The data words to operate on. |
|
* @param {number} offset The offset where the block starts. |
|
* |
|
* @example |
|
* |
|
* mode.processBlock(data.words, offset); |
|
*/ |
|
processBlock: function (words, offset) { |
|
// Shortcuts |
|
var cipher = this._cipher; |
|
var blockSize = cipher.blockSize; |
|
|
|
// Remember this block to use with next block |
|
var thisBlock = words.slice(offset, offset + blockSize); |
|
|
|
// Decrypt and XOR |
|
cipher.decryptBlock(words, offset); |
|
xorBlock.call(this, words, offset, blockSize); |
|
|
|
// This block becomes the previous block |
|
this._prevBlock = thisBlock; |
|
} |
|
}); |
|
|
|
function xorBlock (words, offset, blockSize) { |
|
// Shortcut |
|
var iv = this._iv; |
|
|
|
// Choose mixing block |
|
if (iv) { |
|
var block = iv; |
|
|
|
// Remove IV for subsequent blocks |
|
this._iv = undefined; |
|
} else { |
|
var block = this._prevBlock; |
|
} |
|
|
|
// XOR blocks |
|
for (var i = 0; i < blockSize; i++) { |
|
words[offset + i] ^= block[i]; |
|
} |
|
} |
|
|
|
return CBC; |
|
}()); |
|
|
|
/** |
|
* Padding namespace. |
|
*/ |
|
var C_pad = C.pad = {}; |
|
|
|
/** |
|
* PKCS #5/7 padding strategy. |
|
*/ |
|
var Pkcs7 = C_pad.Pkcs7 = { |
|
/** |
|
* Pads data using the algorithm defined in PKCS #5/7. |
|
* |
|
* @param {WordArray} data The data to pad. |
|
* @param {number} blockSize The multiple that the data should be padded to. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* CryptoJS.pad.Pkcs7.pad(wordArray, 4); |
|
*/ |
|
pad: function (data, blockSize) { |
|
// Shortcut |
|
var blockSizeBytes = blockSize * 4; |
|
|
|
// Count padding bytes |
|
var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes; |
|
|
|
// Create padding word |
|
var paddingWord = (nPaddingBytes << 24) | (nPaddingBytes << 16) | (nPaddingBytes << 8) | nPaddingBytes; |
|
|
|
// Create padding |
|
var paddingWords = []; |
|
for (var i = 0; i < nPaddingBytes; i += 4) { |
|
paddingWords.push(paddingWord); |
|
} |
|
var padding = WordArray.create(paddingWords, nPaddingBytes); |
|
|
|
// Add padding |
|
data.concat(padding); |
|
}, |
|
|
|
/** |
|
* Unpads data that had been padded using the algorithm defined in PKCS #5/7. |
|
* |
|
* @param {WordArray} data The data to unpad. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* CryptoJS.pad.Pkcs7.unpad(wordArray); |
|
*/ |
|
unpad: function (data) { |
|
// Get number of padding bytes from last byte |
|
var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff; |
|
|
|
// Remove padding |
|
data.sigBytes -= nPaddingBytes; |
|
} |
|
}; |
|
|
|
/** |
|
* Abstract base block cipher template. |
|
* |
|
* @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 4 (128 bits) |
|
*/ |
|
var BlockCipher = C_lib.BlockCipher = Cipher.extend({ |
|
/** |
|
* Configuration options. |
|
* |
|
* @property {Mode} mode The block mode to use. Default: CBC |
|
* @property {Padding} padding The padding strategy to use. Default: Pkcs7 |
|
*/ |
|
cfg: Cipher.cfg.extend({ |
|
mode: CBC, |
|
padding: Pkcs7 |
|
}), |
|
|
|
reset: function () { |
|
// Reset cipher |
|
Cipher.reset.call(this); |
|
|
|
// Shortcuts |
|
var cfg = this.cfg; |
|
var iv = cfg.iv; |
|
var mode = cfg.mode; |
|
|
|
// Reset block mode |
|
if (this._xformMode == this._ENC_XFORM_MODE) { |
|
var modeCreator = mode.createEncryptor; |
|
} else /* if (this._xformMode == this._DEC_XFORM_MODE) */ { |
|
var modeCreator = mode.createDecryptor; |
|
|
|
// Keep at least one block in the buffer for unpadding |
|
this._minBufferSize = 1; |
|
} |
|
this._mode = modeCreator.call(mode, this, iv && iv.words); |
|
}, |
|
|
|
_doProcessBlock: function (words, offset) { |
|
this._mode.processBlock(words, offset); |
|
}, |
|
|
|
_doFinalize: function () { |
|
// Shortcut |
|
var padding = this.cfg.padding; |
|
|
|
// Finalize |
|
if (this._xformMode == this._ENC_XFORM_MODE) { |
|
// Pad data |
|
padding.pad(this._data, this.blockSize); |
|
|
|
// Process final blocks |
|
var finalProcessedBlocks = this._process(!!'flush'); |
|
} else /* if (this._xformMode == this._DEC_XFORM_MODE) */ { |
|
// Process final blocks |
|
var finalProcessedBlocks = this._process(!!'flush'); |
|
|
|
// Unpad data |
|
padding.unpad(finalProcessedBlocks); |
|
} |
|
|
|
return finalProcessedBlocks; |
|
}, |
|
|
|
blockSize: 128 / 32 |
|
}); |
|
|
|
/** |
|
* A collection of cipher parameters. |
|
* |
|
* @property {WordArray} ciphertext The raw ciphertext. |
|
* @property {WordArray} key The key to this ciphertext. |
|
* @property {WordArray} iv The IV used in the ciphering operation. |
|
* @property {WordArray} salt The salt used with a key derivation function. |
|
* @property {Cipher} algorithm The cipher algorithm. |
|
* @property {Mode} mode The block mode used in the ciphering operation. |
|
* @property {Padding} padding The padding scheme used in the ciphering operation. |
|
* @property {number} blockSize The block size of the cipher. |
|
* @property {Format} formatter The default formatting strategy to convert this cipher params object to a string. |
|
*/ |
|
var CipherParams = C_lib.CipherParams = Base.extend({ |
|
/** |
|
* Initializes a newly created cipher params object. |
|
* |
|
* @param {Object} cipherParams An object with any of the possible cipher parameters. |
|
* |
|
* @example |
|
* |
|
* var cipherParams = CryptoJS.lib.CipherParams.create({ |
|
* ciphertext: ciphertextWordArray, |
|
* key: keyWordArray, |
|
* iv: ivWordArray, |
|
* salt: saltWordArray, |
|
* algorithm: CryptoJS.algo.AES, |
|
* mode: CryptoJS.mode.CBC, |
|
* padding: CryptoJS.pad.PKCS7, |
|
* blockSize: 4, |
|
* formatter: CryptoJS.format.OpenSSL |
|
* }); |
|
*/ |
|
init: function (cipherParams) { |
|
this.mixIn(cipherParams); |
|
}, |
|
|
|
/** |
|
* Converts this cipher params object to a string. |
|
* |
|
* @param {Format} formatter (Optional) The formatting strategy to use. |
|
* |
|
* @return {string} The stringified cipher params. |
|
* |
|
* @throws Error If neither the formatter nor the default formatter is set. |
|
* |
|
* @example |
|
* |
|
* var string = cipherParams + ''; |
|
* var string = cipherParams.toString(); |
|
* var string = cipherParams.toString(CryptoJS.format.OpenSSL); |
|
*/ |
|
toString: function (formatter) { |
|
return (formatter || this.formatter).stringify(this); |
|
} |
|
}); |
|
|
|
/** |
|
* Format namespace. |
|
*/ |
|
var C_format = C.format = {}; |
|
|
|
/** |
|
* OpenSSL formatting strategy. |
|
*/ |
|
var OpenSSLFormatter = C_format.OpenSSL = { |
|
/** |
|
* Converts a cipher params object to an OpenSSL-compatible string. |
|
* |
|
* @param {CipherParams} cipherParams The cipher params object. |
|
* |
|
* @return {string} The OpenSSL-compatible string. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var openSSLString = CryptoJS.format.OpenSSL.stringify(cipherParams); |
|
*/ |
|
stringify: function (cipherParams) { |
|
// Shortcuts |
|
var ciphertext = cipherParams.ciphertext; |
|
var salt = cipherParams.salt; |
|
|
|
// Format |
|
if (salt) { |
|
var wordArray = WordArray.create([0x53616c74, 0x65645f5f]).concat(salt).concat(ciphertext); |
|
} else { |
|
var wordArray = ciphertext; |
|
} |
|
|
|
return wordArray.toString(Base64); |
|
}, |
|
|
|
/** |
|
* Converts an OpenSSL-compatible string to a cipher params object. |
|
* |
|
* @param {string} openSSLStr The OpenSSL-compatible string. |
|
* |
|
* @return {CipherParams} The cipher params object. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var cipherParams = CryptoJS.format.OpenSSL.parse(openSSLString); |
|
*/ |
|
parse: function (openSSLStr) { |
|
// Parse base64 |
|
var ciphertext = Base64.parse(openSSLStr); |
|
|
|
// Shortcut |
|
var ciphertextWords = ciphertext.words; |
|
|
|
// Test for salt |
|
if (ciphertextWords[0] == 0x53616c74 && ciphertextWords[1] == 0x65645f5f) { |
|
// Extract salt |
|
var salt = WordArray.create(ciphertextWords.slice(2, 4)); |
|
|
|
// Remove salt from ciphertext |
|
ciphertextWords.splice(0, 4); |
|
ciphertext.sigBytes -= 16; |
|
} |
|
|
|
return CipherParams.create({ciphertext: ciphertext, salt: salt}); |
|
} |
|
}; |
|
|
|
/** |
|
* A cipher wrapper that returns ciphertext as a serializable cipher params object. |
|
*/ |
|
var SerializableCipher = C_lib.SerializableCipher = Base.extend({ |
|
/** |
|
* Configuration options. |
|
* |
|
* @property {Formatter} format The formatting strategy to convert cipher param objects to and from a string. Default: OpenSSL |
|
*/ |
|
cfg: Base.extend({ |
|
format: OpenSSLFormatter |
|
}), |
|
|
|
/** |
|
* Encrypts a message. |
|
* |
|
* @param {Cipher} cipher The cipher algorithm to use. |
|
* @param {WordArray|string} message The message to encrypt. |
|
* @param {WordArray} key The key. |
|
* @param {Object} cfg (Optional) The configuration options to use for this operation. |
|
* |
|
* @return {CipherParams} A cipher params object. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key); |
|
* var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv }); |
|
* var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv, format: CryptoJS.format.OpenSSL }); |
|
*/ |
|
encrypt: function (cipher, message, key, cfg) { |
|
// Apply config defaults |
|
cfg = this.cfg.extend(cfg); |
|
|
|
// Encrypt |
|
var encryptor = cipher.createEncryptor(key, cfg); |
|
var ciphertext = encryptor.finalize(message); |
|
|
|
// Shortcut |
|
var cipherCfg = encryptor.cfg; |
|
|
|
// Create and return serializable cipher params |
|
return CipherParams.create({ |
|
ciphertext: ciphertext, |
|
key: key, |
|
iv: cipherCfg.iv, |
|
algorithm: cipher, |
|
mode: cipherCfg.mode, |
|
padding: cipherCfg.padding, |
|
blockSize: cipher.blockSize, |
|
formatter: cfg.format |
|
}); |
|
}, |
|
|
|
/** |
|
* Decrypts serialized ciphertext. |
|
* |
|
* @param {Cipher} cipher The cipher algorithm to use. |
|
* @param {CipherParams|string} ciphertext The ciphertext to decrypt. |
|
* @param {WordArray} key The key. |
|
* @param {Object} cfg (Optional) The configuration options to use for this operation. |
|
* |
|
* @return {WordArray} The plaintext. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, key, { iv: iv, format: CryptoJS.format.OpenSSL }); |
|
* var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, key, { iv: iv, format: CryptoJS.format.OpenSSL }); |
|
*/ |
|
decrypt: function (cipher, ciphertext, key, cfg) { |
|
// Apply config defaults |
|
cfg = this.cfg.extend(cfg); |
|
|
|
// Convert string to CipherParams |
|
ciphertext = this._parse(ciphertext, cfg.format); |
|
|
|
// Decrypt |
|
var plaintext = cipher.createDecryptor(key, cfg).finalize(ciphertext.ciphertext); |
|
|
|
return plaintext; |
|
}, |
|
|
|
/** |
|
* Converts serialized ciphertext to CipherParams, |
|
* else assumed CipherParams already and returns ciphertext unchanged. |
|
* |
|
* @param {CipherParams|string} ciphertext The ciphertext. |
|
* @param {Formatter} format The formatting strategy to use to parse serialized ciphertext. |
|
* |
|
* @return {CipherParams} The unserialized ciphertext. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var ciphertextParams = CryptoJS.lib.SerializableCipher._parse(ciphertextStringOrParams, format); |
|
*/ |
|
_parse: function (ciphertext, format) { |
|
if (typeof ciphertext == 'string') { |
|
return format.parse(ciphertext, this); |
|
} else { |
|
return ciphertext; |
|
} |
|
} |
|
}); |
|
|
|
/** |
|
* Key derivation function namespace. |
|
*/ |
|
var C_kdf = C.kdf = {}; |
|
|
|
/** |
|
* OpenSSL key derivation function. |
|
*/ |
|
var OpenSSLKdf = C_kdf.OpenSSL = { |
|
/** |
|
* Derives a key and IV from a password. |
|
* |
|
* @param {string} password The password to derive from. |
|
* @param {number} keySize The size in words of the key to generate. |
|
* @param {number} ivSize The size in words of the IV to generate. |
|
* @param {WordArray|string} salt (Optional) A 64-bit salt to use. If omitted, a salt will be generated randomly. |
|
* |
|
* @return {CipherParams} A cipher params object with the key, IV, and salt. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32); |
|
* var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32, 'saltsalt'); |
|
*/ |
|
execute: function (password, keySize, ivSize, salt) { |
|
// Generate random salt |
|
if (!salt) { |
|
salt = WordArray.random(64 / 8); |
|
} |
|
|
|
// Derive key and IV |
|
var key = EvpKDF.create({keySize: keySize + ivSize}).compute(password, salt); |
|
|
|
// Separate key and IV |
|
var iv = WordArray.create(key.words.slice(keySize), ivSize * 4); |
|
key.sigBytes = keySize * 4; |
|
|
|
// Return params |
|
return CipherParams.create({key: key, iv: iv, salt: salt}); |
|
} |
|
}; |
|
|
|
/** |
|
* A serializable cipher wrapper that derives the key from a password, |
|
* and returns ciphertext as a serializable cipher params object. |
|
*/ |
|
var PasswordBasedCipher = C_lib.PasswordBasedCipher = SerializableCipher.extend({ |
|
/** |
|
* Configuration options. |
|
* |
|
* @property {KDF} kdf The key derivation function to use to generate a key and IV from a password. Default: OpenSSL |
|
*/ |
|
cfg: SerializableCipher.cfg.extend({ |
|
kdf: OpenSSLKdf |
|
}), |
|
|
|
/** |
|
* Encrypts a message using a password. |
|
* |
|
* @param {Cipher} cipher The cipher algorithm to use. |
|
* @param {WordArray|string} message The message to encrypt. |
|
* @param {string} password The password. |
|
* @param {Object} cfg (Optional) The configuration options to use for this operation. |
|
* |
|
* @return {CipherParams} A cipher params object. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password'); |
|
* var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password', { format: CryptoJS.format.OpenSSL }); |
|
*/ |
|
encrypt: function (cipher, message, password, cfg) { |
|
// Apply config defaults |
|
cfg = this.cfg.extend(cfg); |
|
|
|
// Derive key and other params |
|
var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize); |
|
|
|
// Add IV to config |
|
cfg.iv = derivedParams.iv; |
|
|
|
// Encrypt |
|
var ciphertext = SerializableCipher.encrypt.call(this, cipher, message, derivedParams.key, cfg); |
|
|
|
// Mix in derived params |
|
ciphertext.mixIn(derivedParams); |
|
|
|
return ciphertext; |
|
}, |
|
|
|
/** |
|
* Decrypts serialized ciphertext using a password. |
|
* |
|
* @param {Cipher} cipher The cipher algorithm to use. |
|
* @param {CipherParams|string} ciphertext The ciphertext to decrypt. |
|
* @param {string} password The password. |
|
* @param {Object} cfg (Optional) The configuration options to use for this operation. |
|
* |
|
* @return {WordArray} The plaintext. |
|
* |
|
* @static |
|
* |
|
* @example |
|
* |
|
* var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, 'password', { format: CryptoJS.format.OpenSSL }); |
|
* var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, 'password', { format: CryptoJS.format.OpenSSL }); |
|
*/ |
|
decrypt: function (cipher, ciphertext, password, cfg) { |
|
// Apply config defaults |
|
cfg = this.cfg.extend(cfg); |
|
|
|
// Convert string to CipherParams |
|
ciphertext = this._parse(ciphertext, cfg.format); |
|
|
|
// Derive key and other params |
|
var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize, ciphertext.salt); |
|
|
|
// Add IV to config |
|
cfg.iv = derivedParams.iv; |
|
|
|
// Decrypt |
|
var plaintext = SerializableCipher.decrypt.call(this, cipher, ciphertext, derivedParams.key, cfg); |
|
|
|
return plaintext; |
|
} |
|
}); |
|
}()); |
|
|
|
/* |
|
CryptoJS v3.1.2 |
|
code.google.com/p/crypto-js |
|
(c) 2009-2013 by Jeff Mott. All rights reserved. |
|
code.google.com/p/crypto-js/wiki/License |
|
*/ |
|
/** |
|
* Electronic Codebook block mode. |
|
*/ |
|
CryptoJS.mode.ECB = (function () { |
|
var ECB = CryptoJS.lib.BlockCipherMode.extend(); |
|
|
|
ECB.Encryptor = ECB.extend({ |
|
processBlock: function (words, offset) { |
|
this._cipher.encryptBlock(words, offset); |
|
} |
|
}); |
|
|
|
ECB.Decryptor = ECB.extend({ |
|
processBlock: function (words, offset) { |
|
this._cipher.decryptBlock(words, offset); |
|
} |
|
}); |
|
|
|
return ECB; |
|
}()); |
|
|
|
|
|
/* |
|
CryptoJS v3.1.2 |
|
code.google.com/p/crypto-js |
|
(c) 2009-2013 by Jeff Mott. All rights reserved. |
|
code.google.com/p/crypto-js/wiki/License |
|
*/ |
|
(function () { |
|
// Shortcuts |
|
var C = CryptoJS; |
|
var C_lib = C.lib; |
|
var BlockCipher = C_lib.BlockCipher; |
|
var C_algo = C.algo; |
|
|
|
// Lookup tables |
|
var SBOX = []; |
|
var INV_SBOX = []; |
|
var SUB_MIX_0 = []; |
|
var SUB_MIX_1 = []; |
|
var SUB_MIX_2 = []; |
|
var SUB_MIX_3 = []; |
|
var INV_SUB_MIX_0 = []; |
|
var INV_SUB_MIX_1 = []; |
|
var INV_SUB_MIX_2 = []; |
|
var INV_SUB_MIX_3 = []; |
|
|
|
// Compute lookup tables |
|
(function () { |
|
// Compute double table |
|
var d = []; |
|
for (var i = 0; i < 256; i++) { |
|
if (i < 128) { |
|
d[i] = i << 1; |
|
} else { |
|
d[i] = (i << 1) ^ 0x11b; |
|
} |
|
} |
|
|
|
// Walk GF(2^8) |
|
var x = 0; |
|
var xi = 0; |
|
for (var i = 0; i < 256; i++) { |
|
// Compute sbox |
|
var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4); |
|
sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63; |
|
SBOX[x] = sx; |
|
INV_SBOX[sx] = x; |
|
|
|
// Compute multiplication |
|
var x2 = d[x]; |
|
var x4 = d[x2]; |
|
var x8 = d[x4]; |
|
|
|
// Compute sub bytes, mix columns tables |
|
var t = (d[sx] * 0x101) ^ (sx * 0x1010100); |
|
SUB_MIX_0[x] = (t << 24) | (t >>> 8); |
|
SUB_MIX_1[x] = (t << 16) | (t >>> 16); |
|
SUB_MIX_2[x] = (t << 8) | (t >>> 24); |
|
SUB_MIX_3[x] = t; |
|
|
|
// Compute inv sub bytes, inv mix columns tables |
|
var t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100); |
|
INV_SUB_MIX_0[sx] = (t << 24) | (t >>> 8); |
|
INV_SUB_MIX_1[sx] = (t << 16) | (t >>> 16); |
|
INV_SUB_MIX_2[sx] = (t << 8) | (t >>> 24); |
|
INV_SUB_MIX_3[sx] = t; |
|
|
|
// Compute next counter |
|
if (!x) { |
|
x = xi = 1; |
|
} else { |
|
x = x2 ^ d[d[d[x8 ^ x2]]]; |
|
xi ^= d[d[xi]]; |
|
} |
|
} |
|
}()); |
|
|
|
// Precomputed Rcon lookup |
|
var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]; |
|
|
|
/** |
|
* AES block cipher algorithm. |
|
*/ |
|
var AES = C_algo.AES = BlockCipher.extend({ |
|
_doReset: function () { |
|
// Shortcuts |
|
var key = this._key; |
|
var keyWords = key.words; |
|
var keySize = key.sigBytes / 4; |
|
|
|
// Compute number of rounds |
|
var nRounds = this._nRounds = keySize + 6; |
|
|
|
// Compute number of key schedule rows |
|
var ksRows = (nRounds + 1) * 4; |
|
|
|
// Compute key schedule |
|
var keySchedule = this._keySchedule = []; |
|
for (var ksRow = 0; ksRow < ksRows; ksRow++) { |
|
if (ksRow < keySize) { |
|
keySchedule[ksRow] = keyWords[ksRow]; |
|
} else { |
|
var t = keySchedule[ksRow - 1]; |
|
|
|
if (!(ksRow % keySize)) { |
|
// Rot word |
|
t = (t << 8) | (t >>> 24); |
|
|
|
// Sub word |
|
t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff]; |
|
|
|
// Mix Rcon |
|
t ^= RCON[(ksRow / keySize) | 0] << 24; |
|
} else if (keySize > 6 && ksRow % keySize == 4) { |
|
// Sub word |
|
t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff]; |
|
} |
|
|
|
keySchedule[ksRow] = keySchedule[ksRow - keySize] ^ t; |
|
} |
|
} |
|
|
|
// Compute inv key schedule |
|
var invKeySchedule = this._invKeySchedule = []; |
|
for (var invKsRow = 0; invKsRow < ksRows; invKsRow++) { |
|
var ksRow = ksRows - invKsRow; |
|
|
|
if (invKsRow % 4) { |
|
var t = keySchedule[ksRow]; |
|
} else { |
|
var t = keySchedule[ksRow - 4]; |
|
} |
|
|
|
if (invKsRow < 4 || ksRow <= 4) { |
|
invKeySchedule[invKsRow] = t; |
|
} else { |
|
invKeySchedule[invKsRow] = INV_SUB_MIX_0[SBOX[t >>> 24]] ^ INV_SUB_MIX_1[SBOX[(t >>> 16) & 0xff]] ^ |
|
INV_SUB_MIX_2[SBOX[(t >>> 8) & 0xff]] ^ INV_SUB_MIX_3[SBOX[t & 0xff]]; |
|
} |
|
} |
|
}, |
|
|
|
encryptBlock: function (M, offset) { |
|
this._doCryptBlock(M, offset, this._keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX); |
|
}, |
|
|
|
decryptBlock: function (M, offset) { |
|
// Swap 2nd and 4th rows |
|
var t = M[offset + 1]; |
|
M[offset + 1] = M[offset + 3]; |
|
M[offset + 3] = t; |
|
|
|
this._doCryptBlock(M, offset, this._invKeySchedule, INV_SUB_MIX_0, INV_SUB_MIX_1, INV_SUB_MIX_2, INV_SUB_MIX_3, INV_SBOX); |
|
|
|
// Inv swap 2nd and 4th rows |
|
var t = M[offset + 1]; |
|
M[offset + 1] = M[offset + 3]; |
|
M[offset + 3] = t; |
|
}, |
|
|
|
_doCryptBlock: function (M, offset, keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX) { |
|
// Shortcut |
|
var nRounds = this._nRounds; |
|
|
|
// Get input, add round key |
|
var s0 = M[offset] ^ keySchedule[0]; |
|
var s1 = M[offset + 1] ^ keySchedule[1]; |
|
var s2 = M[offset + 2] ^ keySchedule[2]; |
|
var s3 = M[offset + 3] ^ keySchedule[3]; |
|
|
|
// Key schedule row counter |
|
var ksRow = 4; |
|
|
|
// Rounds |
|
for (var round = 1; round < nRounds; round++) { |
|
// Shift rows, sub bytes, mix columns, add round key |
|
var t0 = SUB_MIX_0[s0 >>> 24] ^ SUB_MIX_1[(s1 >>> 16) & 0xff] ^ SUB_MIX_2[(s2 >>> 8) & 0xff] ^ SUB_MIX_3[s3 & 0xff] ^ keySchedule[ksRow++]; |
|
var t1 = SUB_MIX_0[s1 >>> 24] ^ SUB_MIX_1[(s2 >>> 16) & 0xff] ^ SUB_MIX_2[(s3 >>> 8) & 0xff] ^ SUB_MIX_3[s0 & 0xff] ^ keySchedule[ksRow++]; |
|
var t2 = SUB_MIX_0[s2 >>> 24] ^ SUB_MIX_1[(s3 >>> 16) & 0xff] ^ SUB_MIX_2[(s0 >>> 8) & 0xff] ^ SUB_MIX_3[s1 & 0xff] ^ keySchedule[ksRow++]; |
|
var t3 = SUB_MIX_0[s3 >>> 24] ^ SUB_MIX_1[(s0 >>> 16) & 0xff] ^ SUB_MIX_2[(s1 >>> 8) & 0xff] ^ SUB_MIX_3[s2 & 0xff] ^ keySchedule[ksRow++]; |
|
|
|
// Update state |
|
s0 = t0; |
|
s1 = t1; |
|
s2 = t2; |
|
s3 = t3; |
|
} |
|
|
|
// Shift rows, sub bytes, add round key |
|
var t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++]; |
|
var t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++]; |
|
var t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++]; |
|
var t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++]; |
|
|
|
// Set output |
|
M[offset] = t0; |
|
M[offset + 1] = t1; |
|
M[offset + 2] = t2; |
|
M[offset + 3] = t3; |
|
}, |
|
|
|
keySize: 256 / 32 |
|
}); |
|
|
|
/** |
|
* Shortcut functions to the cipher's object interface. |
|
* |
|
* @example |
|
* |
|
* var ciphertext = CryptoJS.AES.encrypt(message, key, cfg); |
|
* var plaintext = CryptoJS.AES.decrypt(ciphertext, key, cfg); |
|
*/ |
|
C.AES = BlockCipher._createHelper(AES); |
|
}()); |
|
|
|
|
|
BI._.extend(BI, { |
|
/** |
|
* aes加密方法 |
|
* aes-128-ecb |
|
* |
|
* @example |
|
* |
|
* var ciphertext = BI.aesEncrypt(text, key); |
|
*/ |
|
aesEncrypt: function (text, key) { |
|
key = CryptoJS.enc.Utf8.parse(key); |
|
var cipher = CryptoJS.AES.encrypt(text, key, { |
|
mode: CryptoJS.mode.ECB, |
|
padding: CryptoJS.pad.Pkcs7 |
|
}); |
|
|
|
var base64Cipher = cipher.ciphertext.toString(CryptoJS.enc.Base64); |
|
return base64Cipher; |
|
}, |
|
|
|
/** |
|
* aes解密方法 |
|
* @param {String} text |
|
* @param {String} key |
|
*/ |
|
aesDecrypt: function (text, key) { |
|
key = CryptoJS.enc.Utf8.parse(key); |
|
var decipher = CryptoJS.AES.decrypt(text, key, { |
|
mode: CryptoJS.mode.ECB, |
|
padding: CryptoJS.pad.Pkcs7 |
|
}); |
|
|
|
return CryptoJS.enc.Utf8.stringify(decipher); |
|
} |
|
}); |
|
}()); |