1 files changed, 116 insertions, 0 deletions
diff --git a/www/lib/crypto-js/mode-ctr-gladman.js b/www/lib/crypto-js/mode-ctr-gladman.js
new file mode 100644
index 00000000..bbc56876
--- /dev/null
+++ b/www/lib/crypto-js/mode-ctr-gladman.js
@@ -0,0 +1,116 @@
+;(function (root, factory, undef) {
+	if (typeof exports === "object") {
+		// CommonJS
+		module.exports = exports = factory(require("./core"), require("./cipher-core"));
+	}
+	else if (typeof define === "function" && define.amd) {
+		// AMD
+		define(["./core", "./cipher-core"], factory);
+	}
+	else {
+		// Global (browser)
+		factory(root.CryptoJS);
+	}
+}(this, function (CryptoJS) {
+
+	/** @preserve
+	 * Counter block mode compatible with  Dr Brian Gladman fileenc.c
+	 * derived from CryptoJS.mode.CTR
+	 * Jan Hruby jhruby.web@gmail.com
+	 */
+	CryptoJS.mode.CTRGladman = (function () {
+	    var CTRGladman = CryptoJS.lib.BlockCipherMode.extend();
+
+		function incWord(word)
+		{
+			if (((word >> 24) & 0xff) === 0xff) { //overflow
+			var b1 = (word >> 16)&0xff;
+			var b2 = (word >> 8)&0xff;
+			var b3 = word & 0xff;
+
+			if (b1 === 0xff) // overflow b1
+			{
+			b1 = 0;
+			if (b2 === 0xff)
+			{
+				b2 = 0;
+				if (b3 === 0xff)
+				{
+					b3 = 0;
+				}
+				else
+				{
+					++b3;
+				}
+			}
+			else
+			{
+				++b2;
+			}
+			}
+			else
+			{
+			++b1;
+			}
+
+			word = 0;
+			word += (b1 << 16);
+			word += (b2 << 8);
+			word += b3;
+			}
+			else
+			{
+			word += (0x01 << 24);
+			}
+			return word;
+		}
+
+		function incCounter(counter)
+		{
+			if ((counter[0] = incWord(counter[0])) === 0)
+			{
+				// encr_data in fileenc.c from  Dr Brian Gladman's counts only with DWORD j < 8
+				counter[1] = incWord(counter[1]);
+			}
+			return counter;
+		}
+
+	    var Encryptor = CTRGladman.Encryptor = CTRGladman.extend({
+	        processBlock: function (words, offset) {
+	            // Shortcuts
+	            var cipher = this._cipher
+	            var blockSize = cipher.blockSize;
+	            var iv = this._iv;
+	            var counter = this._counter;
+
+	            // Generate keystream
+	            if (iv) {
+	                counter = this._counter = iv.slice(0);
+
+	                // Remove IV for subsequent blocks
+	                this._iv = undefined;
+	            }
+
+				incCounter(counter);
+
+				var keystream = counter.slice(0);
+	            cipher.encryptBlock(keystream, 0);
+
+	            // Encrypt
+	            for (var i = 0; i < blockSize; i++) {
+	                words[offset + i] ^= keystream[i];
+	            }
+	        }
+	    });
+
+	    CTRGladman.Decryptor = Encryptor;
+
+	    return CTRGladman;
+	}());
+
+
+
+
+	return CryptoJS.mode.CTRGladman;
+
+}));
+\ No newline at end of file