Package com.sshtools.client.components

Class DiffieHellmanGroup

java.lang.Object

com.sshtools.client.SshKeyExchangeClient

com.sshtools.client.components.DiffieHellmanGroup

All Implemented Interfaces:

Component, SshComponent, SecureComponent, SshKeyExchange<SshClientContext>

Direct Known Subclasses:

DiffieHellmanGroup14Sha1JCE, DiffieHellmanGroup14Sha256JCE, DiffieHellmanGroup15Sha512JCE, DiffieHellmanGroup16Sha512JCE, DiffieHellmanGroup17Sha512JCE, DiffieHellmanGroup18Sha512JCE, DiffieHellmanGroup1Sha1JCE

public abstract class DiffieHellmanGroup
extends SshKeyExchangeClient

Implementation of the required SSH Transport Protocol key exchange method "diffie-hellman-group14-sha1".

Field Summary

Fields inherited from class com.sshtools.client.SshKeyExchangeClient

clientId, clientKexInit, e, exchangeHash, f, firstPacketFollows, hostKey, key, secret, serverId, serverKexInit, signature, transport, useFirstPacket

Method Summary

Modifier and Type	Method	Description
String	getAlgorithm()	Get the algorithm name for this key exchange
String	getProvider()
void	init(SshTransport<SshClientContext> transport, String clientId, String serverId, byte[] clientKexInit, byte[] serverKexInit, SshPrivateKey prvkey, SshPublicKey pubkey, boolean firstPacketFollows, boolean useFirstPacket)
boolean	isKeyExchangeMessage(int messageid)
boolean	processMessage(byte[] m)	Process a key exchange message
void	test()

Methods inherited from class com.sshtools.client.SshKeyExchangeClient

calculateExchangeHash, getExchangeHash, getHashAlgorithm, getHostKey, getPriority, getSecret, getSecurityLevel, getSignature, hasReceivedNewKeys, hasSentNewKeys, isComplete, reset, setReceivedNewKeys, setSentNewKeys

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getAlgorithm

public String getAlgorithm()

Get the algorithm name for this key exchange

Returns:

"diffie-hellman-group14-sha1"

init

public void init(SshTransport<SshClientContext> transport,
 String clientId,
 String serverId,
 byte[] clientKexInit,
 byte[] serverKexInit,
 SshPrivateKey prvkey,
 SshPublicKey pubkey,
 boolean firstPacketFollows,
 boolean useFirstPacket)
          throws IOException,
SshException

Throws:

IOException

SshException

getProvider

public String getProvider()

processMessage

public boolean processMessage(byte[] m)
                       throws SshException,
IOException

Description copied from class: SshKeyExchangeClient

Process a key exchange message

Specified by:

processMessage in interface SshKeyExchange<SshClientContext>

Specified by:

processMessage in class SshKeyExchangeClient

Returns:

boolean, indicating whether it has processed the message or not

Throws:

SshException

IOException

isKeyExchangeMessage

public boolean isKeyExchangeMessage(int messageid)

test

public void test()
          throws IOException,
SshException

Throws:

IOException

SshException