Package com.jcraft.jsch

Class KeyExchange

java.lang.Object

com.jcraft.jsch.KeyExchange

Direct Known Subclasses:

DHECN, DHGEX, DHGN, DHXEC

public abstract class KeyExchange
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
protected int	DSS
protected int	ECDSA
protected int	EDDSA
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

Constructors

Constructor	Description
KeyExchange()

Method Summary

Modifier and Type	Method	Description
java.lang.String	getFingerPrint()
java.lang.String	getKeyAlgorithName()
java.lang.String	getKeyType()
abstract int	getState()
protected static java.lang.String[]	guess(Session session, 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(java.lang.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 Details

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

EDDSA

protected final int EDDSA

See Also:

Constant Field Values

Constructor Details

KeyExchange

public KeyExchange()

Method Details

init

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

Throws:

java.lang.Exception

next

public abstract boolean next(Buffer buf)
                      throws java.lang.Exception

Throws:

java.lang.Exception

getState

public abstract int getState()

getKeyType

public java.lang.String getKeyType()

getKeyAlgorithName

public java.lang.String getKeyAlgorithName()

guess

protected static java.lang.String[] guess(Session session,
byte[] I_S,
byte[] I_C)
                                   throws java.lang.Exception

Throws:

java.lang.Exception

getFingerPrint

public java.lang.String getFingerPrint()

normalize

protected byte[] normalize(byte[] secret)

verify

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

Throws:

java.lang.Exception