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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
 
- */
 
- /**
 
-  * Counter block mode.
 
-  */
 
- CryptoJS.mode.CTR = (function () {
 
-     var CTR = CryptoJS.lib.BlockCipherMode.extend();
 
-     var Encryptor = CTR.Encryptor = CTR.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;
 
-             }
 
-             var keystream = counter.slice(0);
 
-             cipher.encryptBlock(keystream, 0);
 
-             // Increment counter
 
-             counter[blockSize - 1] = (counter[blockSize - 1] + 1) | 0
 
-             // Encrypt
 
-             for (var i = 0; i < blockSize; i++) {
 
-                 words[offset + i] ^= keystream[i];
 
-             }
 
-         }
 
-     });
 
-     CTR.Decryptor = Encryptor;
 
-     return CTR;
 
- }());
 
 
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