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Viewing changes to third_party/websockify/include/web-socket-js/src/flash-src/third-party/com/hurlant/crypto/symmetric/SimpleIVMode.as

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2014-01-19 14:12:40 UTC
  • mfrom: (4.1.2 sid)
  • Revision ID: package-import@ubuntu.com-20140119141240-nfiw0p8033oitpfz
Tags: 1.9.0~20140119~7dc8c2f-1
http://bugs.debian.org/733714
http://bugs.debian.org/735903
* New snapshot release (Closes: #733714)
* Provide sources for javascript and flash. Done in orig-tar.sh
  Available in third_party/websockify/include/web-socket-js/src/
  (Closes: #735903)

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third_party/websockify/include/web-socket-js/src/flash-src/third-party/com/hurlant/crypto/symmetric/SimpleIVMode.as
 
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/**
 
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 * SimpleIVMode
 
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 * 
 
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 * A convenience class that automatically places the IV
 
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 * at the beginning of the encrypted stream, so it doesn't have to
 
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 * be handled explicitely.
 
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 * Copyright (c) 2007 Henri Torgemane
 
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 * 
 
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 * See LICENSE.txt for full license information.
 
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 */
 
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package com.hurlant.crypto.symmetric
 
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{
 
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        import flash.utils.ByteArray;
 
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        import com.hurlant.util.Memory;
 
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        public class SimpleIVMode implements IMode, ICipher
 
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        {
 
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                protected var mode:IVMode;
 
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                protected var cipher:ICipher;
 
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                public function SimpleIVMode(mode:IVMode) {
 
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                        this.mode = mode;
 
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                        cipher = mode as ICipher;
 
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                }
 
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                public function getBlockSize():uint {
 
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                        return mode.getBlockSize();
 
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                }
 
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                public function dispose():void {
 
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                        mode.dispose();
 
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                        mode = null;
 
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                        cipher = null;
 
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                        Memory.gc();
 
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                }
 
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                public function encrypt(src:ByteArray):void {
 
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                        cipher.encrypt(src);
 
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                        var tmp:ByteArray = new ByteArray;
 
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                        tmp.writeBytes(mode.IV);
 
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                        tmp.writeBytes(src);
 
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                        src.position=0;
 
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                        src.writeBytes(tmp);
 
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                }
 
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                public function decrypt(src:ByteArray):void {
 
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                        var tmp:ByteArray = new ByteArray;
 
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                        tmp.writeBytes(src, 0, getBlockSize());
 
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                        mode.IV = tmp;
 
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                        tmp = new ByteArray;
 
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                        tmp.writeBytes(src, getBlockSize());
 
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                        cipher.decrypt(tmp);
 
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                        src.length=0;
 
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                        src.writeBytes(tmp);
 
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                }
 
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                public function toString():String {
 
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                        return "simple-"+cipher.toString();
 
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                }
 
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        }
 
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}
 
 
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