luky.crypt
Class BlowfishCBC

java.lang.Object
  luky.crypt.BlowfishECB
      luky.crypt.BlowfishCBC

public class BlowfishCBC
extends BlowfishECB

implementation of the Blowfish encryption algorithm in CBC mode

• 1.0.0 - Release under LGPL (a.b.c) (a=major, b=class compatible, c=api compatible)

Version:

1.0.0

Author:

Markus Hahn

Field Summary

Fields inherited from class luky.crypt.BlowfishECB

BLOCKSIZE, MAXKEYLENGTH

Constructor Summary

BlowfishCBC(byte[] bfkey, long lInitCBCIV)
constructor

Method Summary

void	decrypt(byte[] buffer) decrypts a byte buffer (should be aligned to an 8 byte border) to itself
void	encrypt(byte[] buffer) encrypts a byte buffer (should be aligned to an 8 byte border) to itself
long	getCBCIV() get the current CBC IV (for cipher resets)
void	setCBCIV(byte[] newCBCIV) set the current CBC IV (for cipher resets)
void	setCBCIV(long lNewCBCIV) set the current CBC IV (for cipher resets)

Methods inherited from class luky.crypt.BlowfishECB

decryptBlock, encryptBlock

Methods inherited from class java.lang.Object

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

Constructor Detail

BlowfishCBC

public BlowfishCBC(byte[] bfkey,
                   long lInitCBCIV)

constructor

Parameters:

bfkey - key material, up to MAXKEYLENGTH bytes

lInitCBCIV - the CBC IV

Method Detail

getCBCIV

public long getCBCIV()

get the current CBC IV (for cipher resets)

Returns:

current CBC IV

setCBCIV

public void setCBCIV(long lNewCBCIV)

set the current CBC IV (for cipher resets)

Parameters:

lNewCBCIV - the new CBC IV

setCBCIV

public void setCBCIV(byte[] newCBCIV)

set the current CBC IV (for cipher resets)

Parameters:

newCBCIV - the new CBC IV in network byte ordered array

encrypt

public void encrypt(byte[] buffer)

encrypts a byte buffer (should be aligned to an 8 byte border) to itself

Parameters:

buffer - buffer to encrypt

decrypt

public void decrypt(byte[] buffer)

decrypts a byte buffer (should be aligned to an 8 byte border) to itself

Parameters:

buffer - buffer to decrypt