src/ZKEACMS.WebHost/wwwroot/lib/CryptoJS/components/pbkdf2.js

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/*
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 SHA1 = C_algo.SHA1;
    var HMAC = C_algo.HMAC;

    /**
     * Password-Based Key Derivation Function 2 algorithm.
     */
    var PBKDF2 = C_algo.PBKDF2 = Base.extend({
        /**
         * Configuration options.
         *
         * @property {number} keySize The key size in words to generate. Default: 4 (128 bits)
         * @property {Hasher} hasher The hasher to use. Default: SHA1
         * @property {number} iterations The number of iterations to perform. Default: 1
         */
        cfg: Base.extend({
            keySize: 128/32,
            hasher: SHA1,
            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.PBKDF2.create();
         *     var kdf = CryptoJS.algo.PBKDF2.create({ keySize: 8 });
         *     var kdf = CryptoJS.algo.PBKDF2.create({ keySize: 8, iterations: 1000 });
         */
        init: function (cfg) {
            this.cfg = this.cfg.extend(cfg);
        },

        /**
         * Computes the Password-Based Key Derivation Function 2.
         *
         * @param {WordArray|string} password The password.
         * @param {WordArray|string} salt A salt.
         *
         * @return {WordArray} The derived key.
         *
         * @example
         *
         *     var key = kdf.compute(password, salt);
         */
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