Package org.apache.commons.crypto.cipher

Class AbstractOpenSslFeedbackCipher

java.lang.Object

org.apache.commons.crypto.cipher.AbstractOpenSslFeedbackCipher

Direct Known Subclasses:

OpenSslCommonMode, OpenSslGaloisCounterMode

abstract class AbstractOpenSslFeedbackCipher
extends java.lang.Object

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

Field Summary

Fields

Modifier and Type	Field	Description
protected int	algorithmMode
protected int	cipherMode
protected long	context
protected 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(java.nio.ByteBuffer input, java.nio.ByteBuffer output)
(package private) abstract void	init(int mode, byte[] key, java.security.spec.AlgorithmParameterSpec params)
(package private) abstract int	update(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
(package private) abstract int	update(java.nio.ByteBuffer input, java.nio.ByteBuffer output)
(package private) abstract void	updateAAD(byte[] aad)

Methods inherited from class java.lang.Object

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

Field Detail

context

protected long context

algorithmMode

protected final int algorithmMode

padding

protected final int padding

cipherMode

protected int cipherMode

Constructor Detail

AbstractOpenSslFeedbackCipher

AbstractOpenSslFeedbackCipher(long context,
                              int algorithmMode,
                              int padding)

Method Detail

checkState

public void checkState()

clean

public void clean()

doFinal

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

Throws:

javax.crypto.ShortBufferException

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

doFinal

abstract int doFinal(java.nio.ByteBuffer input,
                     java.nio.ByteBuffer output)
              throws javax.crypto.ShortBufferException,
                     javax.crypto.IllegalBlockSizeException,
                     javax.crypto.BadPaddingException

Throws:

javax.crypto.ShortBufferException

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

init

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

Throws:

java.security.InvalidAlgorithmParameterException

update

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

Throws:

javax.crypto.ShortBufferException

update

abstract int update(java.nio.ByteBuffer input,
                    java.nio.ByteBuffer output)
             throws javax.crypto.ShortBufferException

Throws:

javax.crypto.ShortBufferException

updateAAD

abstract void updateAAD(byte[] aad)