mega changes, including updates and X

1 files changed, 139 insertions, 0 deletions

diff --git a/www/lib/crypto-js/rc4.js b/www/lib/crypto-js/rc4.js
new file mode 100644
index 00000000..0e4bdff5
--- /dev/null
+++ b/www/lib/crypto-js/rc4.js
@@ -0,0 +1,139 @@
+;(function (root, factory, undef) {
+	if (typeof exports === "object") {
+		// CommonJS
+		module.exports = exports = factory(require("./core"), require("./enc-base64"), require("./md5"), require("./evpkdf"), require("./cipher-core"));
+	}
+	else if (typeof define === "function" && define.amd) {
+		// AMD
+		define(["./core", "./enc-base64", "./md5", "./evpkdf", "./cipher-core"], factory);
+	}
+	else {
+		// Global (browser)
+		factory(root.CryptoJS);
+	}
+}(this, function (CryptoJS) {
+
+	(function () {
+	    // Shortcuts
+	    var C = CryptoJS;
+	    var C_lib = C.lib;
+	    var StreamCipher = C_lib.StreamCipher;
+	    var C_algo = C.algo;
+
+	    /**
+	     * RC4 stream cipher algorithm.
+	     */
+	    var RC4 = C_algo.RC4 = StreamCipher.extend({
+	        _doReset: function () {
+	            // Shortcuts
+	            var key = this._key;
+	            var keyWords = key.words;
+	            var keySigBytes = key.sigBytes;
+
+	            // Init sbox
+	            var S = this._S = [];
+	            for (var i = 0; i < 256; i++) {
+	                S[i] = i;
+	            }
+
+	            // Key setup
+	            for (var i = 0, j = 0; i < 256; i++) {
+	                var keyByteIndex = i % keySigBytes;
+	                var keyByte = (keyWords[keyByteIndex >>> 2] >>> (24 - (keyByteIndex % 4) * 8)) & 0xff;
+
+	                j = (j + S[i] + keyByte) % 256;
+
+	                // Swap
+	                var t = S[i];
+	                S[i] = S[j];
+	                S[j] = t;
+	            }
+
+	            // Counters
+	            this._i = this._j = 0;
+	        },
+
+	        _doProcessBlock: function (M, offset) {
+	            M[offset] ^= generateKeystreamWord.call(this);
+	        },
+
+	        keySize: 256/32,
+
+	        ivSize: 0
+	    });
+
+	    function generateKeystreamWord() {
+	        // Shortcuts
+	        var S = this._S;
+	        var i = this._i;
+	        var j = this._j;
+
+	        // Generate keystream word
+	        var keystreamWord = 0;
+	        for (var n = 0; n < 4; n++) {
+	            i = (i + 1) % 256;
+	            j = (j + S[i]) % 256;
+
+	            // Swap
+	            var t = S[i];
+	            S[i] = S[j];
+	            S[j] = t;
+
+	            keystreamWord |= S[(S[i] + S[j]) % 256] << (24 - n * 8);
+	        }
+
+	        // Update counters
+	        this._i = i;
+	        this._j = j;
+
+	        return keystreamWord;
+	    }
+
+	    /**
+	     * Shortcut functions to the cipher's object interface.
+	     *
+	     * @example
+	     *
+	     *     var ciphertext = CryptoJS.RC4.encrypt(message, key, cfg);
+	     *     var plaintext  = CryptoJS.RC4.decrypt(ciphertext, key, cfg);
+	     */
+	    C.RC4 = StreamCipher._createHelper(RC4);
+
+	    /**
+	     * Modified RC4 stream cipher algorithm.
+	     */
+	    var RC4Drop = C_algo.RC4Drop = RC4.extend({
+	        /**
+	         * Configuration options.
+	         *
+	         * @property {number} drop The number of keystream words to drop. Default 192
+	         */
+	        cfg: RC4.cfg.extend({
+	            drop: 192
+	        }),
+
+	        _doReset: function () {
+	            RC4._doReset.call(this);
+
+	            // Drop
+	            for (var i = this.cfg.drop; i > 0; i--) {
+	                generateKeystreamWord.call(this);
+	            }
+	        }
+	    });
+
+	    /**
+	     * Shortcut functions to the cipher's object interface.
+	     *
+	     * @example
+	     *
+	     *     var ciphertext = CryptoJS.RC4Drop.encrypt(message, key, cfg);
+	     *     var plaintext  = CryptoJS.RC4Drop.decrypt(ciphertext, key, cfg);
+	     */
+	    C.RC4Drop = StreamCipher._createHelper(RC4Drop);
+	}());
+
+
+	return CryptoJS.RC4;
+
+}));
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