77 lines
2.5 KiB
C#
77 lines
2.5 KiB
C#
using System;
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using Org.Mentalis.Security.Cryptography; //For DiffieHellman usage
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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 DH : Tamir.SharpSsh.jsch.DH
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{
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internal byte[] p;
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internal byte[] g;
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internal byte[] e; // my public key
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internal byte[] e_array;
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internal byte[] f; // your public key
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internal byte[] K; // shared secret key
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internal byte[] K_array;
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private DiffieHellman dh;
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public void init()
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{
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}
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public byte[] getE()
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{
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if(e_array==null)
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{
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dh = new DiffieHellmanManaged(p , g, 0);
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e_array = dh.CreateKeyExchange();
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}
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return e_array;
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}
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public byte[] getK()
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{
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if(K_array==null)
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{
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K_array = dh.DecryptKeyExchange( f);
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}
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return K_array;
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}
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public void setP(byte[] p){ this.p=p; }
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public void setG(byte[] g){ this.g=g; }
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public void setF(byte[] f){ this.f=f; }
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// void setP(BigInteger p){this.p=p;}
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// void setG(BigInteger g){this.g=g;}
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// void setF(BigInteger f){this.f=f;}
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}
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}
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