org.apache.kerby.kerberos.kerb.crypto.dh

Class DiffieHellmanClient

java.lang.Object

org.apache.kerby.kerberos.kerb.crypto.dh.DiffieHellmanClient

public class DiffieHellmanClient
extends Object

The client-side of Diffie-Hellman key agreement for Kerberos PKINIT.

Author:

Apache Directory Project

Constructor Summary

Constructors

Constructor and Description
DiffieHellmanClient()

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] cipherText, KeyUsage usage) Decrypt
void	doPhase(byte[] serverPubKeyEnc)
EncryptionKey	generateKey(byte[] clientDhNonce, byte[] serverDhNonce, EncryptionType type)
DHParameterSpec	getDhParam()
DHPublicKey	init(DHParameterSpec dhParamSpec)

Methods inherited from class java.lang.Object

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

Constructor Detail

DiffieHellmanClient

public DiffieHellmanClient()

Method Detail

getDhParam

public DHParameterSpec getDhParam()

init

public DHPublicKey init(DHParameterSpec dhParamSpec)
                 throws Exception

Throws:

Exception

doPhase

public void doPhase(byte[] serverPubKeyEnc)
             throws Exception

Throws:

Exception

generateKey

public EncryptionKey generateKey(byte[] clientDhNonce,
                                 byte[] serverDhNonce,
                                 EncryptionType type)

decrypt

public byte[] decrypt(byte[] cipherText,
                      KeyUsage usage)
               throws Exception

Decrypt

Parameters:

cipherText -

Returns:

The decrypted byte

Throws:

Exception - e