/*
* SSHTools - Java SSH2 API
*
* Copyright (C) 2002-2003 Lee David Painter and Contributors.
*
* Contributions made by:
*
* Brett Smith
* Richard Pernavas
* Erwin Bolwidt
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.sshtools.j2ssh.transport.kex;
import com.sshtools.j2ssh.io.ByteArrayReader;
import com.sshtools.j2ssh.io.ByteArrayWriter;
import com.sshtools.j2ssh.transport.InvalidMessageException;
import com.sshtools.j2ssh.transport.SshMessage;
import java.io.IOException;
import java.math.BigInteger;
/**
*
*
* @author $author$
* @version $Revision: 1.17 $
*/
public class SshMsgKexDhReply extends SshMessage {
/** */
protected final static int SSH_MSG_KEXDH_REPLY = 31;
// The diffie hellman f value
private BigInteger f;
// The host key data
private byte[] hostKey;
// The signature
private byte[] signature;
/**
* Creates a new SshMsgKexDhReply object.
*
* @param hostKey
* @param f
* @param signature
*/
public SshMsgKexDhReply(byte[] hostKey, BigInteger f, byte[] signature) {
super(SSH_MSG_KEXDH_REPLY);
this.hostKey = hostKey;
this.f = f;
this.signature = signature;
}
/**
* Creates a new SshMsgKexDhReply object.
*/
public SshMsgKexDhReply() {
super(SSH_MSG_KEXDH_REPLY);
}
/**
*
*
* @return
*/
public BigInteger getF() {
return f;
}
/**
*
*
* @return
*/
public byte[] getHostKey() {
return hostKey;
}
/**
*
*
* @return
*/
public String getMessageName() {
return "SSH_MSG_KEXDH_REPLY";
}
/**
*
*
* @return
*/
public byte[] getSignature() {
return signature;
}
/**
*
*
* @param baw
*
* @throws InvalidMessageException
*/
protected void constructByteArray(ByteArrayWriter baw)
throws InvalidMessageException {
try {
baw.writeBinaryString(hostKey);
baw.writeBigInteger(f);
baw.writeBinaryString(signature);
} catch (IOException ioe) {
throw new InvalidMessageException("Error writing message data: " +
ioe.getMessage());
}
}
/**
*
*
* @param bar
*
* @throws InvalidMessageException
*/
protected void constructMessage(ByteArrayReader bar)
throws InvalidMessageException {
try {
hostKey = bar.readBinaryString();
f = bar.readBigInteger();
signature = bar.readBinaryString();
} catch (IOException ioe) {
throw new InvalidMessageException("Error reading message data: " +
ioe.getMessage());
}
}
}