gnu.crypto.jce.cipher
Class ARCFourSpi

java.lang.Object
  javax.crypto.CipherSpi
      gnu.crypto.jce.cipher.ARCFourSpi

public class ARCFourSpi

extends javax.crypto.CipherSpi

The Service Provider Interface (SPI) for the ARCFOUR stream cipher.

Version:

$Revision: 1.2 $

Constructor Summary

ARCFourSpi()

Method Summary

protected byte[]	engineDoFinal(byte[] in, int offset, int length)
protected int	engineDoFinal(byte[] in, int inOffset, int length, byte[] out, int outOffset)
protected int	engineGetBlockSize()
protected byte[]	engineGetIV()
protected int	engineGetOutputSize(int in)
protected java.security.AlgorithmParameters	engineGetParameters()
protected void	engineInit(int mode, java.security.Key key, java.security.spec.AlgorithmParameterSpec p, java.security.SecureRandom r)
protected void	engineInit(int mode, java.security.Key key, java.security.AlgorithmParameters p, java.security.SecureRandom r)
protected void	engineInit(int mode, java.security.Key key, java.security.SecureRandom r)
protected void	engineSetMode(java.lang.String s)
protected void	engineSetPadding(java.lang.String s)
protected byte[]	engineUpdate(byte[] in, int offset, int length)
protected int	engineUpdate(byte[] in, int inOffset, int length, byte[] out, int outOffset)

Methods inherited from class javax.crypto.CipherSpi

engineGetKeySize, engineUnwrap, engineWrap

Methods inherited from class java.lang.Object

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

Constructor Detail

ARCFourSpi

public ARCFourSpi()

Method Detail

engineGetBlockSize

protected int engineGetBlockSize()

engineSetMode

protected void engineSetMode(java.lang.String s)
                      throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException

engineSetPadding

protected void engineSetPadding(java.lang.String s)
                         throws javax.crypto.NoSuchPaddingException

Throws:

javax.crypto.NoSuchPaddingException

engineGetIV

protected byte[] engineGetIV()

engineGetOutputSize

protected int engineGetOutputSize(int in)

engineGetParameters

protected java.security.AlgorithmParameters engineGetParameters()

engineInit

protected void engineInit(int mode,
                          java.security.Key key,
                          java.security.SecureRandom r)
                   throws java.security.InvalidKeyException

Throws:

java.security.InvalidKeyException

engineInit

protected void engineInit(int mode,
                          java.security.Key key,
                          java.security.spec.AlgorithmParameterSpec p,
                          java.security.SecureRandom r)
                   throws java.security.InvalidKeyException,
                          java.security.InvalidAlgorithmParameterException

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineInit

protected void engineInit(int mode,
                          java.security.Key key,
                          java.security.AlgorithmParameters p,
                          java.security.SecureRandom r)
                   throws java.security.InvalidKeyException,
                          java.security.InvalidAlgorithmParameterException

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineUpdate

protected byte[] engineUpdate(byte[] in,
                              int offset,
                              int length)

engineUpdate

protected int engineUpdate(byte[] in,
                           int inOffset,
                           int length,
                           byte[] out,
                           int outOffset)
                    throws javax.crypto.ShortBufferException

Throws:

javax.crypto.ShortBufferException

engineDoFinal

protected byte[] engineDoFinal(byte[] in,
                               int offset,
                               int length)
                        throws javax.crypto.IllegalBlockSizeException,
                               javax.crypto.BadPaddingException

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

engineDoFinal

protected int engineDoFinal(byte[] in,
                            int inOffset,
                            int length,
                            byte[] out,
                            int outOffset)
                     throws javax.crypto.ShortBufferException,
                            javax.crypto.IllegalBlockSizeException,
                            javax.crypto.BadPaddingException

Throws:

javax.crypto.ShortBufferException

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException