diff options
| author | Pliable Pixels <pliablepixels@gmail.com> | 2017-09-27 12:42:48 -0400 |
|---|---|---|
| committer | Pliable Pixels <pliablepixels@gmail.com> | 2017-09-27 12:42:48 -0400 |
| commit | 210e8feae2fb4842bfb2de38666e6c41671fef3c (patch) | |
| tree | cbdafa34b1a6260bb20236d7e9de9eb1b690a1c5 /www/lib/crypto-js/pbkdf2.js | |
| parent | e7e7baeaad90229ccb3e0f45f4ebd77be7d79b14 (diff) | |
removed lib
Diffstat (limited to 'www/lib/crypto-js/pbkdf2.js')
| -rw-r--r-- | www/lib/crypto-js/pbkdf2.js | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/www/lib/crypto-js/pbkdf2.js b/www/lib/crypto-js/pbkdf2.js deleted file mode 100644 index 1258251a..00000000 --- a/www/lib/crypto-js/pbkdf2.js +++ /dev/null @@ -1,145 +0,0 @@ -;(function (root, factory, undef) { - if (typeof exports === "object") { - // CommonJS - module.exports = exports = factory(require("./core"), require("./sha1"), require("./hmac")); - } - else if (typeof define === "function" && define.amd) { - // AMD - define(["./core", "./sha1", "./hmac"], factory); - } - else { - // Global (browser) - factory(root.CryptoJS); - } -}(this, function (CryptoJS) { - - (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); - */ - compute: function (password, salt) { - // Shortcut - var cfg = this.cfg; - - // Init HMAC - var hmac = HMAC.create(cfg.hasher, password); - - // Initial values - var derivedKey = WordArray.create(); - var blockIndex = WordArray.create([0x00000001]); - - // Shortcuts - var derivedKeyWords = derivedKey.words; - var blockIndexWords = blockIndex.words; - var keySize = cfg.keySize; - var iterations = cfg.iterations; - - // Generate key - while (derivedKeyWords.length < keySize) { - var block = hmac.update(salt).finalize(blockIndex); - hmac.reset(); - - // Shortcuts - var blockWords = block.words; - var blockWordsLength = blockWords.length; - - // Iterations - var intermediate = block; - for (var i = 1; i < iterations; i++) { - intermediate = hmac.finalize(intermediate); - hmac.reset(); - - // Shortcut - var intermediateWords = intermediate.words; - - // XOR intermediate with block - for (var j = 0; j < blockWordsLength; j++) { - blockWords[j] ^= intermediateWords[j]; - } - } - - derivedKey.concat(block); - blockIndexWords[0]++; - } - derivedKey.sigBytes = keySize * 4; - - return derivedKey; - } - }); - - /** - * Computes the Password-Based Key Derivation Function 2. - * - * @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.PBKDF2(password, salt); - * var key = CryptoJS.PBKDF2(password, salt, { keySize: 8 }); - * var key = CryptoJS.PBKDF2(password, salt, { keySize: 8, iterations: 1000 }); - */ - C.PBKDF2 = function (password, salt, cfg) { - return PBKDF2.create(cfg).compute(password, salt); - }; - }()); - - - return CryptoJS.PBKDF2; - -}));
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