Package org.apache.sshd.common.kex.dh

Class AbstractDHKeyExchange

java.lang.Object

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

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

All Implemented Interfaces:

KeyExchange, NamedResource, SessionContextHolder, SessionHolder<Session>

Direct Known Subclasses:

AbstractDHClientKeyExchange, AbstractDHServerKeyExchange

public abstract class AbstractDHKeyExchange
extends AbstractLoggingBean
implements KeyExchange

Field Summary

Fields

Modifier and Type	Field	Description
protected byte[]	e
protected byte[]	f
protected byte[]	h
protected Digest	hash
protected byte[]	i_c
protected byte[]	i_s
protected byte[]	k
private Session	session
protected byte[]	v_c
protected byte[]	v_s

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

log

Fields inherited from interface org.apache.sshd.common.kex.KeyExchange

GROUP_KEX_OPCODES_MAP, SIMPLE_KEX_OPCODES_MAP

Fields inherited from interface org.apache.sshd.common.NamedResource

BY_NAME_COMPARATOR, NAME_EXTRACTOR

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractDHKeyExchange(Session session)

Method Summary

Modifier and Type	Method	Description
byte[]	getH()	Retrieves the computed h parameter
Digest	getHash()	The message digest used by this key exchange algorithm.
byte[]	getK()	Retrieves the computed k parameter
Session	getSession()
void	init(byte[] v_s, byte[] v_c, byte[] i_s, byte[] i_c)	Initialize the key exchange algorithm.
java.lang.String	toString()

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

getSimplifiedLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.sshd.common.kex.KeyExchange

getServerKey, next

Methods inherited from interface org.apache.sshd.common.NamedResource

getName

Methods inherited from interface org.apache.sshd.common.session.SessionHolder

getSessionContext

Field Detail

v_s

protected byte[] v_s

v_c

protected byte[] v_c

i_s

protected byte[] i_s

i_c

protected byte[] i_c

hash

protected Digest hash

e

protected byte[] e

f

protected byte[] f

k

protected byte[] k

h

protected byte[] h

session

private final Session session

Constructor Detail

AbstractDHKeyExchange

protected AbstractDHKeyExchange(Session session)

Method Detail

init

public void init(byte[] v_s,
                 byte[] v_c,
                 byte[] i_s,
                 byte[] i_c)
          throws java.lang.Exception

Description copied from interface: KeyExchange

Initialize the key exchange algorithm.

Specified by:

init in interface KeyExchange

Parameters:

v_s - the server identification string

v_c - the client identification string

i_s - the server key initialization packet

i_c - the client key initialization packet

Throws:

java.lang.Exception - if an error occurs

getSession

public Session getSession()

Specified by:

getSession in interface SessionHolder<Session>

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

getH

public byte[] getH()

Description copied from interface: KeyExchange

Retrieves the computed h parameter

Specified by:

getH in interface KeyExchange

Returns:

The h parameter

getK

public byte[] getK()

Description copied from interface: KeyExchange

Retrieves the computed k parameter

Specified by:

getK in interface KeyExchange

Returns:

The k parameter

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object