89 lines
3 KiB
Java
89 lines
3 KiB
Java
using System;
|
|
|
|
namespace Tamir.SharpSsh.jsch.jce
|
|
{
|
|
/* -*-mode:java; c-basic-offset:2; -*- */
|
|
/*
|
|
Copyright (c) 2002,2003,2004 ymnk, JCraft,Inc. All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
|
|
3. The names of the authors may not be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
|
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
|
|
INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
public class HMACSHA1 : MAC
|
|
{
|
|
private const String name="hmac-sha1";
|
|
private const int bsize=20;
|
|
private Org.Mentalis.Security.Cryptography.HMAC mentalis_mac;
|
|
private System.Security.Cryptography.CryptoStream cs;
|
|
//private Mac mac;
|
|
public int getBlockSize(){return bsize;}
|
|
public void init(byte[] key)
|
|
{
|
|
if(key.Length>bsize)
|
|
{
|
|
byte[] tmp=new byte[bsize];
|
|
Array.Copy(key, 0, tmp, 0, bsize);
|
|
key=tmp;
|
|
}
|
|
// SecretKeySpec skey=new SecretKeySpec(key, "HmacSHA1");
|
|
// mac=Mac.getInstance("HmacSHA1");
|
|
// mac.init(skey);
|
|
mentalis_mac = new Org.Mentalis.Security.Cryptography.HMAC(new System.Security.Cryptography.SHA1CryptoServiceProvider(), key);
|
|
cs = new System.Security.Cryptography.CryptoStream( System.IO.Stream.Null, mentalis_mac, System.Security.Cryptography.CryptoStreamMode.Write);
|
|
}
|
|
private byte[] tmp=new byte[4];
|
|
public void update(int i)
|
|
{
|
|
tmp[0]=(byte)(i>>24);
|
|
tmp[1]=(byte)(i>>16);
|
|
tmp[2]=(byte)(i>>8);
|
|
tmp[3]=(byte)i;
|
|
update(tmp, 0, 4);
|
|
}
|
|
public void update(byte[] foo, int s, int l)
|
|
{
|
|
//mac.update(foo, s, l);
|
|
cs.Write( foo , s, l);
|
|
}
|
|
public byte[] doFinal()
|
|
{
|
|
Console.WriteLine("Sha1");
|
|
//return mac.doFinal();
|
|
cs.Close();
|
|
byte[] result = mentalis_mac.Hash;
|
|
byte[] key = mentalis_mac.Key;
|
|
mentalis_mac.Clear();
|
|
init(key);
|
|
|
|
return result;
|
|
}
|
|
public String getName()
|
|
{
|
|
return name;
|
|
}
|
|
}
|
|
|
|
}
|