net.sourceforge.blowfishj
Class BlowfishCBC

java.lang.Object
  net.sourceforge.blowfishj.BlowfishECB
      net.sourceforge.blowfishj.BlowfishCBC

public class BlowfishCBC

extends BlowfishECB

Implementation of the Blowfish encryption algorithm in CBC mode.

Field Summary

Fields inherited from class net.sourceforge.blowfishj.BlowfishECB

BLOCKSIZE, MAXKEYLENGTH

Constructor Summary

BlowfishCBC(byte[] key)
Deprecated. use BlowfishCBC(byte[], int, int) instead

BlowfishCBC(byte[] key, byte[] initCBCIV)
Deprecated. use BlowfishCBC(byte[], int, int, byte[], int) instead

BlowfishCBC(byte[] key, int nOfs, int nLen)
Constructor, uses a zero CBC IV.

BlowfishCBC(byte[] key, int nOfs, int nLen, byte[] initCBCIV, int nIVOfs)
Constructor to define the CBC IV.

BlowfishCBC(byte[] key, int nOfs, int nLen, long lInitCBCIV)
Constructor to define the CBC IV.

BlowfishCBC(byte[] key, long lInitCBCIV)
Deprecated. use BlowfishCBC(byte[], int, int, long) instead

Method Summary

void	cleanUp() see net.sourceforge.blowfishj.BlowfishECB#cleanUp()
void	decrypt(byte[] buf) Decrypts a byte buffer (should be aligned) to itself.
void	decrypt(byte[] inBuf, byte[] outBuf) Decrypts a byte buffer (should be aligned to a block border) to another byte buffer (of the same size or bigger).
int	decrypt(byte[] inBuf, int nInPos, byte[] outBuf, int nOutPos, int nLen) Decrypts a byte buffer to another buffer, extra misaligned data will not be processed.
void	decrypt(int[] buf) Decrypts an integer buffer to itself.
void	decrypt(int[] inBuf, int[] outBuf) Decrypts an integer buffer (should be aligned to a two integer border) to another int buffer (of the same size or bigger).
void	decrypt(int[] inBuf, int nInPos, int[] outBuf, int nOutPos, int nLen) Decrypts an integer buffer to another integer buffer.
void	decrypt(long[] buf) Decrypts a long buffer to itself.
void	decrypt(long[] inBuf, int nInPos, long[] outBuf, int nOutPos, int nLen) Decrypts an long buffer to another long buffer.
void	decrypt(long[] inBuf, long[] outBuf) Decrypts a long buffer to another long buffer (of the same size or bigger).
void	encrypt(byte[] buf) Encrypts a byte buffer (should be aligned to a block border) to itself.
void	encrypt(byte[] inBuf, byte[] outBuf) Encrypts a byte buffer (should be aligned to a block border) to another buffer (of the same size or bigger).
int	encrypt(byte[] inBuf, int nInPos, byte[] outBuf, int nOutPos, int nLen) Encrypts a byte buffer to another buffer, extra misaligned data will not be processed.
void	encrypt(int[] buf) Encrypts an integer buffer to itself.
void	encrypt(int[] inBuf, int[] outBuf) Encrypts an integer buffer (should be aligned to a two integer border) to another int buffer (of the same size or bigger).
void	encrypt(int[] inBuf, int nInPos, int[] outBuf, int nOutPos, int nLen) Encrypts an integer buffer to another integer buffer.
void	encrypt(long[] buf) Encrypts a long buffer to itself.
void	encrypt(long[] inBuf, int nInPos, long[] outBuf, int nOutPos, int nLen) Encrypts an long buffer to another long buffer.
void	encrypt(long[] inBuf, long[] outBuf) Encrypts a long buffer to another long buffer (of the same size or bigger).
long	getCBCIV() Gets the current CBC IV.
void	getCBCIV(byte[] dest) Deprecated. use getCBCIV(byte[], int) instead
void	getCBCIV(byte[] dest, int nOfs) Gets a copy of the current CBC IV.
void	setCBCIV(byte[] newCBCIV) Deprecated. use setCBCIV(byte[], int) instead
void	setCBCIV(byte[] newCBCIV, int nOfs) Sets the current CBC IV (for cipher resets).
void	setCBCIV(long lNewCBCIV) Sets the current CBC IV (for cipher resets).

Methods inherited from class net.sourceforge.blowfishj.BlowfishECB

encryptPrv, initialize, selfTest, weakKeyCheck

Methods inherited from class java.lang.Object

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

Constructor Detail

BlowfishCBC

public BlowfishCBC(byte[] key)

Deprecated. use BlowfishCBC(byte[], int, int) instead

Default constructor, uses a zero CBC IV.

Parameters:

key - key material, up to MAXKEYLENGTH bytes

BlowfishCBC

public BlowfishCBC(byte[] key,
                   int nOfs,
                   int nLen)

Constructor, uses a zero CBC IV.

Parameters:

key - key material, up to MAXKEYLENGTH bytes

nOfs - where to start reading the key

nLen - size of the key in bytes

BlowfishCBC

public BlowfishCBC(byte[] key,
                   long lInitCBCIV)

Deprecated. use BlowfishCBC(byte[], int, int, long) instead

Constructor to define the CBC IV.

Parameters:

key - key material, up to MAXKEYLENGTH bytes

lInitCBCIV - the CBC IV

BlowfishCBC

public BlowfishCBC(byte[] key,
                   int nOfs,
                   int nLen,
                   long lInitCBCIV)

Constructor to define the CBC IV.

Parameters:

key - key material, up to MAXKEYLENGTH bytes

nOfs - where to start reading the key

nLen - size of the key in bytes

lInitCBCIV - the CBC IV

BlowfishCBC

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

Deprecated. use BlowfishCBC(byte[], int, int, byte[], int) instead

Constructor to define the CBC IV.

Parameters:

key - key material, up to MAXKEYLENGTH bytes

initCBCIV - the CBC IV (array with BLOCKSIZE bytes)

BlowfishCBC

public BlowfishCBC(byte[] key,
                   int nOfs,
                   int nLen,
                   byte[] initCBCIV,
                   int nIVOfs)

Constructor to define the CBC IV.

Parameters:

key - key material, up to MAXKEYLENGTH bytes

nOfs - where to start reading the key

nLen - size of the key in bytes

initCBCIV - the CBC IV

nIVOfs - where to start reading the IV

Method Detail

getCBCIV

public long getCBCIV()

Gets the current CBC IV.

Returns:

current CBC IV

getCBCIV

public void getCBCIV(byte[] dest)

Deprecated. use getCBCIV(byte[], int) instead

Gets a copy of the current CBC IV.

Parameters:

dest - where to put current CBC IV

getCBCIV

public void getCBCIV(byte[] dest,
                     int nOfs)

Gets a copy of the current CBC IV.

Parameters:

dest - buffer

nOfs - where to start writing

setCBCIV

public void setCBCIV(long lNewCBCIV)

Sets the current CBC IV (for cipher resets).

Parameters:

lNewCBCIV - the new CBC IV

setCBCIV

public void setCBCIV(byte[] newCBCIV)

Deprecated. use setCBCIV(byte[], int) instead

Sets the current CBC IV (for cipher resets).

Parameters:

newCBCIV - the new CBC IV

setCBCIV

public void setCBCIV(byte[] newCBCIV,
                     int nOfs)

Sets the current CBC IV (for cipher resets).

Parameters:

newCBCIV - the new CBC IV

nOfs - where to start reading the IV

cleanUp

public void cleanUp()

see net.sourceforge.blowfishj.BlowfishECB#cleanUp()

Overrides:

cleanUp in class BlowfishECB

encrypt

public int encrypt(byte[] inBuf,
                   int nInPos,
                   byte[] outBuf,
                   int nOutPos,
                   int nLen)

Description copied from class: BlowfishECB

Encrypts a byte buffer to another buffer, extra misaligned data will not be processed.

Overrides:

encrypt in class BlowfishECB

Parameters:

inBuf - buffer with plaintext data

nInPos - where to start reading the plaintext data

outBuf - buffer to put the ciphertext data

nOutPos - where to start writing the ciphertext data

nLen - number of bytes to encrypt

Returns:

number of bytes to encrypted

See Also:

BlowfishECB.encrypt(byte[], int, byte[], int, int)

encrypt

public void encrypt(byte[] inBuf,
                    byte[] outBuf)

Deprecated. use encrypt(byte[], int, byte[], int, int) instead

Description copied from class: BlowfishECB

Encrypts a byte buffer (should be aligned to a block border) to another buffer (of the same size or bigger).

Overrides:

encrypt in class BlowfishECB

Parameters:

inBuf - buffer with plaintext data

outBuf - buffer to get the ciphertext data

See Also:

BlowfishECB.encrypt(byte[], byte[])

encrypt

public void encrypt(byte[] buf)

Deprecated. use encrypt(byte[], int, int) instead

Description copied from class: BlowfishECB

Encrypts a byte buffer (should be aligned to a block border) to itself.

Overrides:

encrypt in class BlowfishECB

Parameters:

buf - buffer to encrypt

See Also:

BlowfishECB.encrypt(byte[])

encrypt

public void encrypt(int[] inBuf,
                    int nInPos,
                    int[] outBuf,
                    int nOutPos,
                    int nLen)

Description copied from class: BlowfishECB

Encrypts an integer buffer to another integer buffer.

Overrides:

encrypt in class BlowfishECB

Parameters:

inBuf - buffer with plaintext data

nInPos - where to start reading the plaintext data

outBuf - buffer to write the ciphertext data

nOutPos - where to start writing the ciphertext data

nLen - number of integers to encrypt

See Also:

BlowfishECB.encrypt(int[], int, int[], int, int)

encrypt

public void encrypt(int[] inBuf,
                    int[] outBuf)

Deprecated. use encrypt(int[], int, int[], int, int) instead

Description copied from class: BlowfishECB

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

Overrides:

encrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

outBuf - buffer to get the plaintext data

See Also:

BlowfishECB.encrypt(int[], int[])

encrypt

public void encrypt(int[] buf)

Deprecated. use encrypt(int[], int, int[], int, int) instead

Description copied from class: BlowfishECB

Encrypts an integer buffer to itself.

Overrides:

encrypt in class BlowfishECB

Parameters:

buf - buffer to decrypt

See Also:

BlowfishECB.encrypt(int[])

encrypt

public void encrypt(long[] inBuf,
                    int nInPos,
                    long[] outBuf,
                    int nOutPos,
                    int nLen)

Description copied from class: BlowfishECB

Encrypts an long buffer to another long buffer.

Overrides:

encrypt in class BlowfishECB

Parameters:

inBuf - buffer with plaintext data

nInPos - where to start reading the plaintext data

outBuf - buffer to write the ciphertext data

nOutPos - where to start writing the ciphertext data

nLen - number of longs to decrypt

See Also:

BlowfishECB.encrypt(long[], int, long[], int, int)

encrypt

public void encrypt(long[] inBuf,
                    long[] outBuf)

Deprecated. use encrypt(long[], int, long[], int, int) instead

Description copied from class: BlowfishECB

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

Overrides:

encrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

outBuf - buffer to get the plaintext data

See Also:

BlowfishECB.encrypt(long[], long[])

encrypt

public void encrypt(long[] buf)

Deprecated. use encrypt(long[], int, long[], int, int) instead

Description copied from class: BlowfishECB

Encrypts a long buffer to itself.

Overrides:

encrypt in class BlowfishECB

Parameters:

buf - buffer to decrypt

See Also:

BlowfishECB.encrypt(long[])

decrypt

public int decrypt(byte[] inBuf,
                   int nInPos,
                   byte[] outBuf,
                   int nOutPos,
                   int nLen)

Description copied from class: BlowfishECB

Decrypts a byte buffer to another buffer, extra misaligned data will not be processed.

Overrides:

decrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

nInPos - where to start reading the ciphertext data

outBuf - buffer to put the plaintext data

nOutPos - where to start writing the plaintext data

nLen - number of bytes to decrypt

Returns:

number of bytes to encrypted

See Also:

BlowfishECB.decrypt(byte[], int, byte[], int, int)

decrypt

public void decrypt(byte[] inBuf,
                    byte[] outBuf)

Deprecated. use decrypt(byte[], int, byte[], int, int) instead

Description copied from class: BlowfishECB

Decrypts a byte buffer (should be aligned to a block border) to another byte buffer (of the same size or bigger).

Overrides:

decrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

outBuf - buffer to get the plaintext data

See Also:

BlowfishECB.decrypt(byte[], byte[])

decrypt

public void decrypt(byte[] buf)

Deprecated. use encrypt(byte[], int, byte[], int, int) instead

Description copied from class: BlowfishECB

Decrypts a byte buffer (should be aligned) to itself.

Overrides:

decrypt in class BlowfishECB

Parameters:

buf - buffer to decrypt

See Also:

BlowfishECB.decrypt(byte[])

decrypt

public void decrypt(int[] inBuf,
                    int nInPos,
                    int[] outBuf,
                    int nOutPos,
                    int nLen)

Description copied from class: BlowfishECB

Decrypts an integer buffer to another integer buffer.

Overrides:

decrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

nInPos - where to start reading the ciphertext data

outBuf - buffer to get the plaintext data

nOutPos - where to start writing the plaintext data

nLen - number of integers to decrypt

See Also:

BlowfishECB.decrypt(int[], int, int[], int, int)

decrypt

public void decrypt(int[] inBuf,
                    int[] outBuf)

Deprecated. use decrypt(int[], int, int[], int, int) instead

Description copied from class: BlowfishECB

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

Overrides:

decrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

outBuf - buffer to get the plaintext data

See Also:

BlowfishECB.decrypt(int[], int[])

decrypt

public void decrypt(int[] buf)

Deprecated. use decrypt(int[], int, int[], int, int) instead

Description copied from class: BlowfishECB

Decrypts an integer buffer to itself.

Overrides:

decrypt in class BlowfishECB

Parameters:

buf - buffer to decrypt

See Also:

BlowfishECB.decrypt(int[])

decrypt

public void decrypt(long[] inBuf,
                    int nInPos,
                    long[] outBuf,
                    int nOutPos,
                    int nLen)

Description copied from class: BlowfishECB

Decrypts an long buffer to another long buffer.

Overrides:

decrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

nInPos - where to start reading the ciphertext data

outBuf - buffer to write the plaintext data

nOutPos - where to start writing the plaintext data

nLen - number of longs to decrypt

See Also:

BlowfishECB.decrypt(long[], int, long[], int, int)

decrypt

public void decrypt(long[] inBuf,
                    long[] outBuf)

Deprecated. use decrypt(long[], int, long[], int, int) instead

Description copied from class: BlowfishECB

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

Overrides:

decrypt in class BlowfishECB

Parameters:

inBuf - buffer with ciphertext data

outBuf - buffer to get the plaintext data

See Also:

BlowfishECB.decrypt(long[], long[])

decrypt

public void decrypt(long[] buf)

Deprecated. use decrypt(long[], int, long[], int, int) instead

Description copied from class: BlowfishECB

Decrypts a long buffer to itself.

Overrides:

decrypt in class BlowfishECB

Parameters:

buf - buffer to decrypt

See Also:

BlowfishECB.decrypt(long[])