76 lines
2.8 KiB
Java
76 lines
2.8 KiB
Java
using System;
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namespace Tamir.SharpSsh.jsch.jce
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{
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/* -*-mode:java; c-basic-offset:2; -*- */
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/*
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Copyright (c) 2002,2003,2004 ymnk, JCraft,Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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3. The names of the authors may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
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INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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public class Random : Tamir.SharpSsh.jsch.Random
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{
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private byte[] tmp=new byte[16];
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//private SecureRandom random;
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private System.Security.Cryptography.RNGCryptoServiceProvider rand;
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public Random()
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{
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// random=null;
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// random = new SecureRandom();
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//
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// try{ random=SecureRandom.getInstance("SHA1PRNG"); }
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// catch(java.security.NoSuchAlgorithmException e){
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// // System.out.println(e);
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//
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// // The following code is for IBM's JCE
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// try{ random=SecureRandom.getInstance("IBMSecureRandom"); }
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// catch(java.security.NoSuchAlgorithmException ee){
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// System.out.println(ee);
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// }
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// }
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rand = new System.Security.Cryptography.RNGCryptoServiceProvider();
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}
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static int times = 0;
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public void fill(byte[] foo, int start, int len)
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{
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try
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{
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if(len>tmp.Length){ tmp=new byte[len]; }
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//random.nextBytes(tmp);
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rand.GetBytes(tmp);
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Array.Copy(tmp, 0, foo, start, len);
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}
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catch(Exception e)
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{
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times++;
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Console.WriteLine(times+") Array.Copy(tmp={0}, 0, foo={1}, {2}, {3}", tmp.Length, foo.Length, start, len);
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//Console.WriteLine(e.StackTrace);
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}
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}
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}
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}
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