Package org.apache.commons.crypto.cipher

Class OpenSslCommonMode

java.lang.Object

org.apache.commons.crypto.cipher.AbstractOpenSslFeedbackCipher

org.apache.commons.crypto.cipher.OpenSslCommonMode

final class OpenSslCommonMode
extends AbstractOpenSslFeedbackCipher

This class do the real work(Encryption/Decryption) for non-authenticated modes, such as CTR, CBC.

It will call the OpenSSL API to implement encryption/decryption

Field Summary

Fields inherited from class org.apache.commons.crypto.cipher.AbstractOpenSslFeedbackCipher

algorithmMode, cipherMode, context, padding

Constructor Summary

Constructors

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

Method Summary

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

Methods inherited from class org.apache.commons.crypto.cipher.AbstractOpenSslFeedbackCipher

checkState, clean

Methods inherited from class java.lang.Object

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

Constructor Details

OpenSslCommonMode

OpenSslCommonMode(long context,
 int algorithmMode,
 int padding)

Method Details

doFinal

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

Specified by:

doFinal in class AbstractOpenSslFeedbackCipher

Throws:

ShortBufferException

IllegalBlockSizeException

BadPaddingException

doFinal

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

Specified by:

doFinal in class AbstractOpenSslFeedbackCipher

Throws:

ShortBufferException

IllegalBlockSizeException

BadPaddingException

init

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

Specified by:

init in class AbstractOpenSslFeedbackCipher

Throws:

InvalidAlgorithmParameterException

update

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

Specified by:

update in class AbstractOpenSslFeedbackCipher

Throws:

ShortBufferException

update

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

Specified by:

update in class AbstractOpenSslFeedbackCipher

Throws:

ShortBufferException

updateAAD

public void updateAAD(byte[] aad)

Specified by:

updateAAD in class AbstractOpenSslFeedbackCipher