ami.security
Class AMISymmetric

java.lang.Object
  |
  +--ami.security.AMISymmetric

public class AMISymmetric

extends Object

Provides symmetrical cryptography material ( mainly blowfish implementation )

Version:

1.0

Author:

Bertrand Florat

Field Summary

private static char[]	hex
private static int[]	Pi
private static int	rounds
private static int[]	S0
private static int[]	S1
private static int[]	S2
private static int[]	S3
private static long[]	t2

Constructor Summary

AMISymmetric()

Method Summary

private static void	BF_encrypt(int L, int R, int[] out, int outOff, int[] P, int[] sKey) put your documentation comment here
static byte[]	bfDecode(byte[] bIn, int[] P, int[] sKey) put your documentation comment here
static byte[]	bfEncode(byte[] bIn, int[] P, int[] sKey) put your documentation comment here
(package private) static void	blowfishDecrypt(byte[] in, int off, byte[] out, int outOff, int[] P, int[] sKey) put your documentation comment here
(package private) static void	blowfishEncrypt(byte[] in, int off, byte[] out, int outOff, int[] P, int[] sKey) put your documentation comment here
static void	makeKey(byte[] kk, int[] P, int[] sKey) Called to inilialize blowfish key kk an P are void arrays

Methods inherited from class java.lang.Object

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

Field Detail

t2

private static final long[] t2

Pi

private static final int[] Pi

S0

private static final int[] S0

S1

private static final int[] S1

S2

private static final int[] S2

S3

private static final int[] S3

rounds

private static final int rounds

hex

private static final char[] hex

Constructor Detail

AMISymmetric

public AMISymmetric()

Method Detail

BF_encrypt

private static final void BF_encrypt(int L,
                                     int R,
                                     int[] out,
                                     int outOff,
                                     int[] P,
                                     int[] sKey)

put your documentation comment here

Parameters:

L -

R -

out -

outOff -

P -

sKey -

bfEncode

public static byte[] bfEncode(byte[] bIn,
                              int[] P,
                              int[] sKey)

put your documentation comment here

Parameters:

bIn -

P -

sKey -

Returns:

encoded byte array

blowfishEncrypt

static void blowfishEncrypt(byte[] in,
                            int off,
                            byte[] out,
                            int outOff,
                            int[] P,
                            int[] sKey)

put your documentation comment here

Parameters:

in -

off -

out -

outOff -

P -

sKey -

blowfishDecrypt

static void blowfishDecrypt(byte[] in,
                            int off,
                            byte[] out,
                            int outOff,
                            int[] P,
                            int[] sKey)

put your documentation comment here

Parameters:

in -

off -

out -

outOff -

P -

sKey -

bfDecode

public static byte[] bfDecode(byte[] bIn,
                              int[] P,
                              int[] sKey)
                       throws Exception

put your documentation comment here

Parameters:

bIn -

P -

sKey -

Returns:

decoded byte array

Throws:

Exception -

makeKey

public static void makeKey(byte[] kk,
                           int[] P,
                           int[] sKey)

Called to inilialize blowfish key kk an P are void arrays