Class AbstractOpenSslFeedbackCipher

java.lang.Object

org.apache.commons.crypto.cipher.AbstractOpenSslFeedbackCipher

Direct Known Subclasses:

OpenSslCommonMode, OpenSslGaloisCounterMode

abstract class AbstractOpenSslFeedbackCipher
extends Object

This class represents a block cipher in one of its modes.

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	algorithmMode
protected int	cipherMode
protected long	context
protected final int	padding

Constructor Summary

Constructors

Constructor	Description
AbstractOpenSslFeedbackCipher(long context, int algorithmMode, int padding)

Method Summary

Modifier and Type	Method	Description
void	checkState()
void	clean()
(package private) abstract int	doFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
(package private) abstract int	doFinal(ByteBuffer input, ByteBuffer output)
(package private) abstract void	init(int mode, byte[] key, AlgorithmParameterSpec params)
(package private) abstract int	update(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
(package private) abstract int	update(ByteBuffer input, ByteBuffer output)
(package private) abstract void	updateAAD(byte[] aad)

Methods inherited from class Object

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

Field Details

context

protected long context

algorithmMode

protected final int algorithmMode

padding

protected final int padding

cipherMode

protected int cipherMode

Constructor Details

AbstractOpenSslFeedbackCipher

AbstractOpenSslFeedbackCipher(long context,
 int algorithmMode,
 int padding)

Method Details

checkState

public void checkState()

clean

public void clean()

doFinal

abstract int doFinal(byte[] input,
 int inputOffset,
 int inputLen,
 byte[] output,
 int outputOffset)
              throws ShortBufferException,
IllegalBlockSizeException,
BadPaddingException

Throws:

ShortBufferException

IllegalBlockSizeException

BadPaddingException

doFinal

abstract int doFinal(ByteBuffer input,
 ByteBuffer output)
              throws ShortBufferException,
IllegalBlockSizeException,
BadPaddingException

Throws:

ShortBufferException

IllegalBlockSizeException

BadPaddingException

init

abstract void init(int mode,
 byte[] key,
 AlgorithmParameterSpec params)
            throws InvalidAlgorithmParameterException

Throws:

InvalidAlgorithmParameterException

update

abstract int update(byte[] input,
 int inputOffset,
 int inputLen,
 byte[] output,
 int outputOffset)
             throws ShortBufferException

Throws:

ShortBufferException

update

abstract int update(ByteBuffer input,
 ByteBuffer output)
             throws ShortBufferException

Throws:

ShortBufferException

updateAAD

abstract void updateAAD(byte[] aad)