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1 package com.trilead.ssh2.packets;
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2
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3 import java.io.IOException;
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4
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5 /**
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6 * PacketNewKeys.
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7 *
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8 * @author Christian Plattner, plattner@trilead.com
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9 * @version $Id: PacketNewKeys.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
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10 */
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11 public class PacketNewKeys {
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12 byte[] payload;
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13
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14 public PacketNewKeys() {
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15 }
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16
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17 public PacketNewKeys(byte payload[], int off, int len) throws IOException {
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18 this.payload = new byte[len];
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19 System.arraycopy(payload, off, this.payload, 0, len);
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20 TypesReader tr = new TypesReader(payload, off, len);
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21 int packet_type = tr.readByte();
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22
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23 if (packet_type != Packets.SSH_MSG_NEWKEYS)
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24 throw new IOException("This is not a SSH_MSG_NEWKEYS! ("
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25 + packet_type + ")");
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26
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27 if (tr.remain() != 0)
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28 throw new IOException("Padding in SSH_MSG_NEWKEYS packet!");
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29 }
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30
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31 public byte[] getPayload() {
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32 if (payload == null) {
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33 TypesWriter tw = new TypesWriter();
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34 tw.writeByte(Packets.SSH_MSG_NEWKEYS);
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35 payload = tw.getBytes();
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36 }
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37
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38 return payload;
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39 }
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40 }
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