80 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| ;(function (root, factory, undef) {
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| 	if (typeof exports === "object") {
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| 		// CommonJS
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| 		module.exports = exports = factory(require("./core"), require("./sha256"));
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| 	}
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| 	else if (typeof define === "function" && define.amd) {
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| 		// AMD
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| 		define(["./core", "./sha256"], factory);
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| 	}
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| 	else {
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| 		// Global (browser)
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| 		factory(root.CryptoJS);
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| 	}
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| }(this, function (CryptoJS) {
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| 
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| 	(function () {
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| 	    // Shortcuts
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| 	    var C = CryptoJS;
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| 	    var C_lib = C.lib;
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| 	    var WordArray = C_lib.WordArray;
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| 	    var C_algo = C.algo;
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| 	    var SHA256 = C_algo.SHA256;
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| 
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| 	    /**
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| 	     * SHA-224 hash algorithm.
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| 	     */
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| 	    var SHA224 = C_algo.SHA224 = SHA256.extend({
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| 	        _doReset: function () {
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| 	            this._hash = new WordArray.init([
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| 	                0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
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| 	                0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4
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| 	            ]);
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| 	        },
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| 
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| 	        _doFinalize: function () {
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| 	            var hash = SHA256._doFinalize.call(this);
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| 
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| 	            hash.sigBytes -= 4;
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| 
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| 	            return hash;
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| 	        }
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| 	    });
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| 
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| 	    /**
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| 	     * Shortcut function to the hasher's object interface.
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| 	     *
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| 	     * @param {WordArray|string} message The message to hash.
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| 	     *
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| 	     * @return {WordArray} The hash.
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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 hash = CryptoJS.SHA224('message');
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| 	     *     var hash = CryptoJS.SHA224(wordArray);
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| 	     */
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| 	    C.SHA224 = SHA256._createHelper(SHA224);
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| 
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| 	    /**
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| 	     * Shortcut function to the HMAC's object interface.
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| 	     *
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| 	     * @param {WordArray|string} message The message to hash.
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| 	     * @param {WordArray|string} key The secret key.
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| 	     *
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| 	     * @return {WordArray} The HMAC.
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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 hmac = CryptoJS.HmacSHA224(message, key);
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| 	     */
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| 	    C.HmacSHA224 = SHA256._createHmacHelper(SHA224);
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| 	}());
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| 
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| 
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| 	return CryptoJS.SHA224;
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| 
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| })); |