67 lines
2.5 KiB
Java
67 lines
2.5 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 SHA1 : Tamir.SharpSsh.jsch.HASH{
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//MessageDigest md;
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internal System.Security.Cryptography.SHA1CryptoServiceProvider md;
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private System.Security.Cryptography.CryptoStream cs;
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public override int getBlockSize(){return 20;}
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public override void init(){
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try
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{
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//md=MessageDigest.getInstance("SHA-1");
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md=new System.Security.Cryptography.SHA1CryptoServiceProvider();
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cs = new System.Security.Cryptography.CryptoStream( System.IO.Stream.Null, md, System.Security.Cryptography.CryptoStreamMode.Write);
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}
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catch(Exception e){
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Console.WriteLine(e);
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}
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}
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public override void update(byte[] foo, int start, int len){
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//md.update(foo, start, len);
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cs.Write(foo, start, len);
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}
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public override byte[] digest() {
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//return md.digest();
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cs.Close();
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byte[] result = md.Hash;
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md.Clear();
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init(); //Reinitiazing hash objects
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return result;
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}
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}
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}
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