/*
* This file is part of "MidpSSH". Copyright (c) 2004 Karl von Randow.
*
* MidpSSH is based upon Telnet Floyd and FloydSSH by Radek Polak.
*
* --LICENSE NOTICE-- This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 675 Mass
* Ave, Cambridge, MA 02139, USA. --LICENSE NOTICE--
*
*/
package ssh.v2;
public class SshCrypto2 {
private BufferedDESedeCBC sndCipher, rcvCipher;
private HMACSHA1 sndHmac, rcvHmac;
public SshCrypto2(byte[] IVc2s, byte[] IVs2c, byte[] Ec2s, byte[] Es2c,
byte[] MACc2s, byte[] MACs2c) {
sndCipher = new BufferedDESedeCBC();
sndCipher.init(true, IVc2s, Ec2s);
rcvCipher = new BufferedDESedeCBC();
rcvCipher.init(false, IVs2c, Es2c);
sndHmac = new HMACSHA1();
sndHmac.init(MACc2s);
rcvHmac = new HMACSHA1();
rcvHmac.init(MACs2c);
}
public byte[] encrypt(byte[] src) {
byte[] dest = new byte[src.length];
sndCipher.processBytes(src, 0, src.length, dest, 0);
return dest;
}
public byte[] decrypt(byte[] src) {
byte[] dest = new byte[src.length];
rcvCipher.processBytes(src, 0, src.length, dest, 0);
return dest;
}
/**
* @return Returns the rcvHmac.
*/
public HMACSHA1 getRcvHmac() {
return rcvHmac;
}
/**
* @return Returns the sndHmac.
*/
public HMACSHA1 getSndHmac() {
return sndHmac;
}
}