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Java > Open Source Codes > ch > ethz > ssh2 > packets > PacketKexDHReply


1 package ch.ethz.ssh2.packets;
2
3 import java.io.IOException JavaDoc;
4
5 import java.math.BigInteger JavaDoc;
6
7 /**
8  * PacketKexDHReply.
9  *
10  * @author Christian Plattner, plattner@inf.ethz.ch
11  * @version $Id: PacketKexDHReply.java,v 1.2 2005/08/24 17:54:09 cplattne Exp $
12  */
13 public class PacketKexDHReply
14 {
15     byte[] payload;
16
17     byte[] hostKey;
18     BigInteger JavaDoc f;
19     byte[] signature;
20     
21     public PacketKexDHReply(byte payload[], int off, int len) throws IOException JavaDoc
22     {
23         this.payload = new byte[len];
24         System.arraycopy(payload, off, this.payload, 0, len);
25
26         TypesReader tr = new TypesReader(payload, off, len);
27
28         int packet_type = tr.readByte();
29
30         if (packet_type != Packets.SSH_MSG_KEXDH_REPLY)
31             throw new IOException JavaDoc("This is not a SSH_MSG_KEXDH_REPLY! ("
32                     + packet_type + ")");
33
34         hostKey = tr.readByteString();
35         f = tr.readMPINT();
36         signature = tr.readByteString();
37
38         if (tr.remain() != 0) throw new IOException JavaDoc("PADDING IN SSH_MSG_KEXDH_REPLY!");
39     }
40
41     public BigInteger JavaDoc getF()
42     {
43         return f;
44     }
45     
46     public byte[] getHostKey()
47     {
48         return hostKey;
49     }
50
51     public byte[] getSignature()
52     {
53         return signature;
54     }
55 }
56
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