net.schmizz.sshj.transport.kex

Class KeyExchangeBase

java.lang.Object

net.schmizz.sshj.transport.kex.KeyExchangeBase

All Implemented Interfaces:

KeyExchange

Direct Known Subclasses:

AbstractDH

public abstract class KeyExchangeBase
extends java.lang.Object
implements KeyExchange

Field Summary

Fields

Modifier and Type	Field and Description
protected Digest	digest
protected byte[]	H
protected java.security.PublicKey	hostKey
protected Transport	trans

Constructor Summary

Constructors

Constructor and Description
KeyExchangeBase(Digest digest)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	getH()
Digest	getHash() The message digest used by this key exchange algorithm.
java.security.PublicKey	getHostKey()
void	init(Transport trans, java.lang.String V_S, java.lang.String V_C, byte[] I_S, byte[] I_C) Initialize the key exchange algorithm.
protected Buffer.PlainBuffer	initializedBuffer()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.schmizz.sshj.transport.kex.KeyExchange

getK, next

Field Detail

trans

protected Transport trans

digest

protected final Digest digest

H

protected byte[] H

hostKey

protected java.security.PublicKey hostKey

Constructor Detail

KeyExchangeBase

public KeyExchangeBase(Digest digest)

Method Detail

init

public void init(Transport trans,
        java.lang.String V_S,
        java.lang.String V_C,
        byte[] I_S,
        byte[] I_C)
          throws java.security.GeneralSecurityException,
                 TransportException

Description copied from interface: KeyExchange

Initialize the key exchange algorithm.

Specified by:

init in interface KeyExchange

Parameters:

trans - the transport

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:

java.security.GeneralSecurityException

TransportException - if there is an error sending a packet

initializedBuffer

protected Buffer.PlainBuffer initializedBuffer()

getH

public byte[] getH()

Specified by:

getH in interface KeyExchange

Returns:

the computed H parameter

getHash

public Digest getHash()

Description copied from interface: KeyExchange

The message digest used by this key exchange algorithm.

Specified by:

getHash in interface KeyExchange

Returns:

the message digest

getHostKey

public java.security.PublicKey getHostKey()

Specified by:

getHostKey in interface KeyExchange

Returns:

the host key determined from server's response packets