org.jboss.security.negotiation.cipher

Class DesCbcCrcDecoder

java.lang.Object

org.jboss.security.negotiation.cipher.Decoder

org.jboss.security.negotiation.cipher.DesCbcDecoder

org.jboss.security.negotiation.cipher.DesCbcCrcDecoder

public class DesCbcCrcDecoder
extends DesCbcDecoder

A Decoder for DesCbcCrc.

Version:

$Revision: 1 $

Author:

Marcus Moyses

Constructor Summary

Constructors

Constructor and Description
DesCbcCrcDecoder()

Method Summary

Methods

Modifier and Type	Method and Description
protected byte[]	calculateChecksum(byte[] data, int size)
int	checksumSize()
byte[]	decrypt(byte[] cipher, byte[] key, int usage)

Methods inherited from class org.jboss.security.negotiation.cipher.DesCbcDecoder

blockSize, cbc_encrypt, confounderSize, decrypt, isChecksumValid, keySize

Methods inherited from class org.jboss.security.negotiation.cipher.Decoder

dataSize, decryptedData, getInstace, startOfChecksum, startOfData

Methods inherited from class java.lang.Object

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

Constructor Detail

DesCbcCrcDecoder

public DesCbcCrcDecoder()

Method Detail

checksumSize

public int checksumSize()

Specified by:

checksumSize in class Decoder

decrypt

public byte[] decrypt(byte[] cipher,
             byte[] key,
             int usage)
               throws NegotiationException

Overrides:

decrypt in class DesCbcDecoder

Throws:

NegotiationException

calculateChecksum

protected byte[] calculateChecksum(byte[] data,
                       int size)
                            throws NegotiationException

Specified by:

calculateChecksum in class DesCbcDecoder

Throws:

NegotiationException