wtanaka.praya.gale
Class CryptBlockFilter

java.lang.Object
  |
  +--wtanaka.praya.gale.CryptBlockFilter

public class CryptBlockFilter

extends java.lang.Object

An implementation of 3DES.

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Version:

$Name: $ $Date: 2001/09/30 21:14:52 $

Author:

$Author: wtanaka $

Field Summary

private long	cbcstate
private static int[]	compress
private boolean	encrypt
private static int[]	expand
private static int[]	finish
private long	iv
private static int[]	keyshift
private static int[]	keyxform
private static int[]	pbox
private static int[][][]	sbox
private long[][]	schedule
private static int[]	start

Constructor Summary

CryptBlockFilter(byte[] keys, byte[] l, boolean flag)

Method Summary

long	filter(long l)
private static long	getbit(long l, int i)
long	getIV()
private void	loadKey(long l, int i, boolean flag)
private static long	permute(long l, int[] ai)
private static long	setbit(long l, int i, long l1)

Methods inherited from class java.lang.Object

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

Field Detail

schedule

private long[][] schedule

iv

private long iv

cbcstate

private long cbcstate

encrypt

private boolean encrypt

start

private static final int[] start

keyxform

private static final int[] keyxform

keyshift

private static final int[] keyshift

compress

private static final int[] compress

expand

private static final int[] expand

sbox

private static final int[][][] sbox

pbox

private static final int[] pbox

finish

private static final int[] finish

Constructor Detail

CryptBlockFilter

public CryptBlockFilter(byte[] keys,
                        byte[] l,
                        boolean flag)

Method Detail

getIV

public final long getIV()

loadKey

private void loadKey(long l,
                     int i,
                     boolean flag)

filter

public long filter(long l)

getbit

private static long getbit(long l,
                           int i)

setbit

private static long setbit(long l,
                           int i,
                           long l1)

permute

private static long permute(long l,
                            int[] ai)