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


1 package ch.ethz.ssh2.packets;
2
3 import ch.ethz.ssh2.DHGexParameters;
4
5 /**
6  * PacketKexDhGexRequest.
7  *
8  * @author Christian Plattner, plattner@inf.ethz.ch
9  * @version $Id: PacketKexDhGexRequest.java,v 1.4 2005/08/24 17:54:09 cplattne Exp $
10  */
11 public class PacketKexDhGexRequest
12 {
13     byte[] payload;
14
15     int min;
16     int n;
17     int max;
18
19     public PacketKexDhGexRequest(DHGexParameters para)
20     {
21         this.min = para.getMin_group_len();
22         this.n = para.getPref_group_len();
23         this.max = para.getMax_group_len();
24     }
25
26     public byte[] getPayload()
27     {
28         if (payload == null)
29         {
30             TypesWriter tw = new TypesWriter();
31             tw.writeByte(Packets.SSH_MSG_KEX_DH_GEX_REQUEST);
32             tw.writeUINT32(min);
33             tw.writeUINT32(n);
34             tw.writeUINT32(max);
35             payload = tw.getBytes();
36         }
37         return payload;
38     }
39 }
40
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