Mercurial > 510Connectbot
diff src/ch/ethz/ssh2/packets/PacketKexDHInit.java @ 273:91a31873c42a ganymed
start conversion from trilead to ganymed
author | Carl Byington <carl@five-ten-sg.com> |
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date | Fri, 18 Jul 2014 11:21:46 -0700 |
parents | |
children | 071eccdff8ea |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/ch/ethz/ssh2/packets/PacketKexDHInit.java Fri Jul 18 11:21:46 2014 -0700 @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. + * Please refer to the LICENSE.txt for licensing details. + */ +package ch.ethz.ssh2.packets; + +import java.io.IOException; +import java.math.BigInteger; + +import ch.ethz.ssh2.PacketFormatException; +import ch.ethz.ssh2.PacketTypeException; + +/** + * @author Christian Plattner + * @version $Id: PacketKexDHInit.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $ + */ +public final class PacketKexDHInit { + + private final byte[] payload; + + private final BigInteger e; + + public PacketKexDHInit(BigInteger e) { + this.e = e; + TypesWriter tw = new TypesWriter(); + tw.writeByte(Packets.SSH_MSG_KEXDH_INIT); + tw.writeMPInt(e); + payload = tw.getBytes(); + } + + public PacketKexDHInit(byte payload[]) throws IOException { + this.payload = payload; + + TypesReader tr = new TypesReader(payload); + + int packet_type = tr.readByte(); + + if(packet_type != Packets.SSH_MSG_KEXDH_INIT) { + throw new PacketTypeException(packet_type); + } + + e = tr.readMPINT(); + + if(tr.remain() != 0) { + throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type))); + } + } + + public BigInteger getE() { + return e; + } + + public byte[] getPayload() { + return payload; + } +}