org.apache.sshd.server.kex

Class DHGEXServer

java.lang.Object

org.apache.sshd.common.util.logging.AbstractLoggingBean

org.apache.sshd.common.kex.dh.AbstractDHKeyExchange

org.apache.sshd.server.kex.AbstractDHServerKeyExchange

org.apache.sshd.server.kex.DHGEXServer

All Implemented Interfaces:

KeyExchange

public class DHGEXServer
extends AbstractDHServerKeyExchange

Author:

Apache MINA SSHD Project

Field Summary

Fields

Modifier and Type	Field and Description
protected DHG	dh
protected byte	expected
protected DHFactory	factory
protected int	max
protected int	min
protected boolean	oldRequest
protected int	prf

Fields inherited from class org.apache.sshd.server.kex.AbstractDHServerKeyExchange

session

Fields inherited from class org.apache.sshd.common.kex.dh.AbstractDHKeyExchange

e, f, h, hash, i_c, i_s, k, v_c, v_s

Fields inherited from class org.apache.sshd.common.util.logging.AbstractLoggingBean

log

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DHGEXServer(DHFactory factory)

Method Summary

Modifier and Type	Method and Description
protected DHG	getDH(BigInteger p, BigInteger g)
void	init(AbstractSession s, byte[] v_s, byte[] v_c, byte[] i_s, byte[] i_c) Initialize the key exchange algorithm.
protected List<Moduli.DhGroup>	loadModuliGroups()
static KeyExchangeFactory	newFactory(DHFactory factory)
boolean	next(Buffer buffer) Process the next packet

Methods inherited from class org.apache.sshd.server.kex.AbstractDHServerKeyExchange

getServerKey

Methods inherited from class org.apache.sshd.common.kex.dh.AbstractDHKeyExchange

getH, getHash, getK, getSession

Methods inherited from class java.lang.Object

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

Field Detail

factory

protected final DHFactory factory

dh

protected DHG dh

min

protected int min

prf

protected int prf

max

protected int max

expected

protected byte expected

oldRequest

protected boolean oldRequest

Constructor Detail

DHGEXServer

protected DHGEXServer(DHFactory factory)

Method Detail

newFactory

public static KeyExchangeFactory newFactory(DHFactory factory)

init

public void init(AbstractSession s,
                 byte[] v_s,
                 byte[] v_c,
                 byte[] i_s,
                 byte[] i_c)
          throws Exception

Description copied from interface: KeyExchange

Initialize the key exchange algorithm.

Specified by:

init in interface KeyExchange

Overrides:

init in class AbstractDHServerKeyExchange

Parameters:

s - the session using this algorithm

v_s - the server identification string

v_c - the client identification string

i_s - the server key init packet

i_c - the client key init packet

Throws:

Exception - if an error occurs

next

public boolean next(Buffer buffer)
             throws Exception

Description copied from interface: KeyExchange

Process the next packet

Parameters:

buffer - the packet

Returns:

a boolean indicating if the processing is complete or if more packets are to be received

Throws:

Exception - if an error occurs

loadModuliGroups

protected List<Moduli.DhGroup> loadModuliGroups()
                                         throws IOException

Throws:

IOException

getDH

protected DHG getDH(BigInteger p,
                    BigInteger g)
             throws Exception

Throws:

Exception