sha224.js
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;(function (root, factory, undef) {
if (typeof exports === "object") {
// CommonJS
module.exports = exports = factory(require("./core"), require("./sha256"));
}
else if (typeof define === "function" && define.amd) {
// AMD
define(["./core", "./sha256"], factory);
}
else {
// Global (browser)
factory(root.CryptoJS);
}
}(this, function (CryptoJS) {
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var WordArray = C_lib.WordArray;
var C_algo = C.algo;
var SHA256 = C_algo.SHA256;
/**
* SHA-224 hash algorithm.
*/
var SHA224 = C_algo.SHA224 = SHA256.extend({
_doReset: function () {
this._hash = new WordArray.init([
0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4
]);
},
_doFinalize: function () {
var hash = SHA256._doFinalize.call(this);
hash.sigBytes -= 4;
return hash;
}
});
/**
* 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.SHA224('message');
* var hash = CryptoJS.SHA224(wordArray);
*/
C.SHA224 = SHA256._createHelper(SHA224);
/**
* 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.HmacSHA224(message, key);
*/
C.HmacSHA224 = SHA256._createHmacHelper(SHA224);
}());
return CryptoJS.SHA224;
}));