com.trilead.ssh2.crypto.cipher
Class CTRMode

java.lang.Object
  com.trilead.ssh2.crypto.cipher.CTRMode

All Implemented Interfaces:

BlockCipher

public class CTRMode
extends java.lang.Object
implements BlockCipher

This is CTR mode as described in draft-ietf-secsh-newmodes-XY.txt

Version:

$Id: CTRMode.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $

Author:

Christian Plattner, plattner@trilead.com

Constructor Summary

CTRMode(BlockCipher tc, byte[] iv, boolean doEnc)

Method Summary

int	getBlockSize()
void	init(boolean forEncryption, byte[] key)
void	transformBlock(byte[] src, int srcoff, byte[] dst, int dstoff)

Methods inherited from class java.lang.Object

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

Constructor Detail

CTRMode

public CTRMode(BlockCipher tc,
               byte[] iv,
               boolean doEnc)
        throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

Method Detail

init

public void init(boolean forEncryption,
                 byte[] key)

Specified by:

init in interface BlockCipher

getBlockSize

public final int getBlockSize()

Specified by:

getBlockSize in interface BlockCipher

transformBlock

public final void transformBlock(byte[] src,
                                 int srcoff,
                                 byte[] dst,
                                 int dstoff)

Specified by:

transformBlock in interface BlockCipher