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-rw-r--r--library/cryptojs/components/sha224.js66
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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 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);
+}());