PacketNewKeys.java revision 48ded2421114c4c87ef3f8005c9f793a5d077cbd 
1/*
2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
3 * Please refer to the LICENSE.txt for licensing details.
4 */
5package ch.ethz.ssh2.packets;
6
7import java.io.IOException;
8
9/**
10 * PacketNewKeys.
11 *
12 * @author Christian Plattner
13 * @version 2.50, 03/15/10
14 */
15public class PacketNewKeys
16{
17	byte[] payload;
18
19	public PacketNewKeys()
20	{
21	}
22
23	public PacketNewKeys(byte payload[], int off, int len) throws IOException
24	{
25		this.payload = new byte[len];
26		System.arraycopy(payload, off, this.payload, 0, len);
27
28		TypesReader tr = new TypesReader(payload, off, len);
29
30		int packet_type = tr.readByte();
31
32		if (packet_type != Packets.SSH_MSG_NEWKEYS)
33			throw new IOException("This is not a SSH_MSG_NEWKEYS! ("
34					+ packet_type + ")");
35
36		if (tr.remain() != 0)
37			throw new IOException("Padding in SSH_MSG_NEWKEYS packet!");
38	}
39
40	public byte[] getPayload()
41	{
42		if (payload == null)
43		{
44			TypesWriter tw = new TypesWriter();
45			tw.writeByte(Packets.SSH_MSG_NEWKEYS);
46			payload = tw.getBytes();
47		}
48		return payload;
49	}
50}
51