com.jcraft.jsch
Class KeyExchange

java.lang.Object
  com.jcraft.jsch.KeyExchange

Direct Known Subclasses:

DHECN, DHG1, DHG14, DHGEX

public abstract class KeyExchange
extends Object

Field Summary

protected int	DSS
protected int	ECDSA
protected byte[]	H
protected byte[]	K
protected byte[]	K_S
protected int	RSA
protected Session	session
protected HASH	sha
static int	STATE_END

Constructor Summary

KeyExchange()

Method Summary

String	getFingerPrint()
String	getKeyAlgorithName()
String	getKeyType()
abstract int	getState()
protected static String[]	guess(byte[] I_S, byte[] I_C)
abstract void	init(Session session, byte[] V_S, byte[] V_C, byte[] I_S, byte[] I_C)
abstract boolean	next(Buffer buf)
protected byte[]	normalize(byte[] secret)
protected boolean	verify(String alg, byte[] K_S, int index, byte[] sig_of_H)

Methods inherited from class java.lang.Object

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

Field Detail

STATE_END

public static final int STATE_END

See Also:

Constant Field Values

session

protected Session session

sha

protected HASH sha

K

protected byte[] K

H

protected byte[] H

K_S

protected byte[] K_S

RSA

protected final int RSA

See Also:

Constant Field Values

DSS

protected final int DSS

See Also:

Constant Field Values

ECDSA

protected final int ECDSA

See Also:

Constant Field Values

Constructor Detail

KeyExchange

public KeyExchange()

Method Detail

init

public abstract void init(Session session,
                          byte[] V_S,
                          byte[] V_C,
                          byte[] I_S,
                          byte[] I_C)
                   throws Exception

Throws:

Exception

next

public abstract boolean next(Buffer buf)
                      throws Exception

Throws:

Exception

getState

public abstract int getState()

getKeyType

public String getKeyType()

getKeyAlgorithName

public String getKeyAlgorithName()

guess

protected static String[] guess(byte[] I_S,
                                byte[] I_C)

getFingerPrint

public String getFingerPrint()

normalize

protected byte[] normalize(byte[] secret)

verify

protected boolean verify(String alg,
                         byte[] K_S,
                         int index,
                         byte[] sig_of_H)
                  throws Exception

Throws:

Exception