com.trilead.ssh2.crypto.dh

Class GenericDhExchange

java.lang.Object

com.trilead.ssh2.crypto.dh.GenericDhExchange

Direct Known Subclasses:

Curve25519Exchange, DhExchange, EcDhExchange

public abstract class GenericDhExchange
extends java.lang.Object

DhExchange.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GenericDhExchange()

Method Summary

Modifier and Type	Method and Description
byte[]	calculateH(byte[] clientversion, byte[] serverversion, byte[] clientKexPayload, byte[] serverKexPayload, byte[] hostKey)
abstract byte[]	getE()
abstract java.lang.String	getHashAlgo()
static GenericDhExchange	getInstance(java.lang.String algo)
java.math.BigInteger	getK()
protected abstract byte[]	getServerE()
abstract void	init(java.lang.String name)
abstract void	setF(byte[] f)

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericDhExchange

protected GenericDhExchange()

Method Detail

getInstance

public static GenericDhExchange getInstance(java.lang.String algo)

init

public abstract void init(java.lang.String name)
                   throws java.io.IOException

Throws:

java.io.IOException

getE

public abstract byte[] getE()

Returns:

Returns the e (public value)

Throws:

java.lang.IllegalStateException

getServerE

protected abstract byte[] getServerE()

Returns:

Returns the server's e (public value)

Throws:

java.lang.IllegalStateException

getK

public java.math.BigInteger getK()

Returns:

Returns the shared secret k.

Throws:

java.lang.IllegalStateException

setF

public abstract void setF(byte[] f)
                   throws java.io.IOException

Parameters:

f -

Throws:

java.io.IOException

calculateH

public byte[] calculateH(byte[] clientversion,
                         byte[] serverversion,
                         byte[] clientKexPayload,
                         byte[] serverKexPayload,
                         byte[] hostKey)
                  throws java.io.UnsupportedEncodingException

Throws:

java.io.UnsupportedEncodingException

getHashAlgo

public abstract java.lang.String getHashAlgo()