superwaba.ext.xplat.util.crypto
Class BlowfishCBC

java.lang.Object
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  +--superwaba.ext.xplat.util.crypto.BlowfishECB
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        +--superwaba.ext.xplat.util.crypto.BlowfishCBC

public class BlowfishCBC

extends BlowfishECB

Implementation of the Blowfish encryption algorithm in CBC mode

Fields inherited from class superwaba.ext.xplat.util.crypto.BlowfishECB

BLOCKSIZE, MAXKEYLENGTH

Constructor Summary

BlowfishCBC(byte[] bfkey)
constructor, stores a zero CBC IV

BlowfishCBC(byte[] bfkey, byte[] initCBCIV)
constructor

BlowfishCBC(byte[] bfkey, long lInitCBCIV)
constructor

Method Summary

void	cleanUp() cleans up all critical internals, call this if you don't need an instance anymore
void	decrypt(byte[] buffer) decrypts a byte buffer (should be aligned to an 8 byte border) to itself
void	decrypt(byte[] inbuffer, byte[] outbuffer) decrypts a byte buffer (should be aligned to an 8 byte border) to another buffer (of the same size or bigger)
void	decrypt(int[] buffer) decrypts an int buffer (should be aligned to a two integer border)
void	decrypt(int[] inbuffer, int[] outbuffer) decrypts an integer buffer (should be aligned to an two integer border) to another int buffer (of the same size or bigger)
void	decrypt(long[] buffer) decrypts a long buffer to itself
void	decrypt(long[] inbuffer, long[] outbuffer) decrypts a long buffer to another long buffer (of the same size or bigger)
void	encrypt(byte[] buffer) encrypts a byte buffer (should be aligned to an 8 byte border) to itself
void	encrypt(byte[] inbuffer, byte[] outbuffer) encrypts a byte buffer (should be aligned to an 8 byte border) to another buffer (of the same size or bigger)
void	encrypt(int[] buffer) encrypts an integer buffer
void	encrypt(int[] inbuffer, int[] outbuffer) encrypts an int buffer (should be aligned to an two integer border) to another int buffer (of the same size or bigger)
void	encrypt(long[] buffer) encrypts a long buffer to itself
void	encrypt(long[] inbuffer, long[] outbuffer) encrypts a long buffer to another long buffer (of the same size or bigger)
long	getCBCIV() get the current CBC IV (for cipher resets)
void	getCBCIV(byte[] dest) 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 superwaba.ext.xplat.util.crypto.BlowfishECB

decryptBlock, encryptBlock, selfTest

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, toString, wait, wait

Constructor Detail

BlowfishCBC

public BlowfishCBC(byte[] bfkey)

constructor, stores a zero CBC IV

Parameters:

bfkey - key material, up to MAXKEYLENGTH bytes

BlowfishCBC

public BlowfishCBC(byte[] bfkey,
                   long lInitCBCIV)

constructor

Parameters:

bfkey - key material, up to MAXKEYLENGTH bytes

lInitCBCIV - the CBC IV

BlowfishCBC

public BlowfishCBC(byte[] bfkey,
                   byte[] initCBCIV)

constructor

Parameters:

bfkey - key material, up to MAXKEYLENGTH bytes

lInitCBCIV - the CBC IV (array with min. BLOCKSIZE bytes)

Method Detail

getCBCIV

public long getCBCIV()

get the current CBC IV (for cipher resets)

Returns:

current CBC IV

getCBCIV

public void getCBCIV(byte[] dest)

get the current CBC IV (for cipher resets)

Parameters:

dest - where to put current CBC IV in network byte ordered array

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

cleanUp

public void cleanUp()

cleans up all critical internals, call this if you don't need an instance anymore

Overrides:

cleanUp in class BlowfishECB

encrypt

public void encrypt(byte[] inbuffer,
                    byte[] outbuffer)

encrypts a byte buffer (should be aligned to an 8 byte border) to another buffer (of the same size or bigger)

Overrides:

encrypt in class BlowfishECB

Parameters:

inbuffer - buffer with plaintext data

outbuffer - buffer to get the ciphertext data

encrypt

public void encrypt(byte[] buffer)

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

Overrides:

encrypt in class BlowfishECB

Parameters:

buffer - buffer to encrypt

encrypt

public void encrypt(int[] inbuffer,
                    int[] outbuffer)

encrypts an int buffer (should be aligned to an two integer border) to another int buffer (of the same size or bigger)

Overrides:

encrypt in class BlowfishECB

Parameters:

inbuffer - buffer with plaintext data

outBuffer - buffer to get the ciphertext data

encrypt

public void encrypt(int[] buffer)

encrypts an integer buffer

Overrides:

encrypt in class BlowfishECB

Parameters:

buffer - buffer to encrypt

encrypt

public void encrypt(long[] inbuffer,
                    long[] outbuffer)

encrypts a long buffer to another long buffer (of the same size or bigger)

Overrides:

encrypt in class BlowfishECB

Parameters:

inbuffer - buffer with plaintext data

outbuffer - buffer to get the ciphertext data

encrypt

public void encrypt(long[] buffer)

encrypts a long buffer to itself

Overrides:

encrypt in class BlowfishECB

Parameters:

buffer - buffer to encrypt

decrypt

public void decrypt(byte[] inbuffer,
                    byte[] outbuffer)

decrypts a byte buffer (should be aligned to an 8 byte border) to another buffer (of the same size or bigger)

Overrides:

decrypt in class BlowfishECB

Parameters:

inbuffer - buffer with ciphertext data

outBuffer - buffer to get the plaintext data

decrypt

public void decrypt(byte[] buffer)

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

Overrides:

decrypt in class BlowfishECB

Parameters:

buffer - buffer to decrypt

decrypt

public void decrypt(int[] inbuffer,
                    int[] outbuffer)

decrypts an integer buffer (should be aligned to an two integer border) to another int buffer (of the same size or bigger)

Overrides:

decrypt in class BlowfishECB

Parameters:

inbuffer - buffer with ciphertext data

outbuffer - buffer to get the plaintext data

decrypt

public void decrypt(int[] buffer)

decrypts an int buffer (should be aligned to a two integer border)

Overrides:

decrypt in class BlowfishECB

Parameters:

buffer - buffer to decrypt

decrypt

public void decrypt(long[] inbuffer,
                    long[] outbuffer)

decrypts a long buffer to another long buffer (of the same size or bigger)

Overrides:

decrypt in class BlowfishECB

Parameters:

inbuffer - buffer with ciphertext data

outbuffer - buffer to get the plaintext data

decrypt

public void decrypt(long[] buffer)

decrypts a long buffer to itself

Overrides:

decrypt in class BlowfishECB

Parameters:

buffer - buffer to decrypt