Package org.bouncycastle.jcajce.provider.asymmetric.elgamal

Class CipherSpi

java.lang.Object

javax.crypto.CipherSpi

org.bouncycastle.jcajce.provider.asymmetric.util.BaseCipherSpi

org.bouncycastle.jcajce.provider.asymmetric.elgamal.CipherSpi

Direct Known Subclasses:

CipherSpi.NoPadding, CipherSpi.PKCS1v1_5Padding

public class CipherSpi
extends BaseCipherSpi

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CipherSpi.NoPadding	classes that inherit from us.
static class	CipherSpi.PKCS1v1_5Padding

Nested classes/interfaces inherited from class org.bouncycastle.jcajce.provider.asymmetric.util.BaseCipherSpi

BaseCipherSpi.ErasableOutputStream

Field Summary

Fields inherited from class org.bouncycastle.jcajce.provider.asymmetric.util.BaseCipherSpi

wrapEngine

Constructor Summary

Constructors

Constructor	Description
CipherSpi(AsymmetricBlockCipher engine)

Method Summary

Modifier and Type	Method	Description
protected byte[]	engineDoFinal(byte[] input, int inputOffset, int inputLen)
protected int	engineDoFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected int	engineGetBlockSize()
protected int	engineGetKeySize(Key key)
protected int	engineGetOutputSize(int inputLen)
protected AlgorithmParameters	engineGetParameters()
protected void	engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
protected void	engineInit(int opmode, Key key, SecureRandom random)
protected void	engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
protected void	engineSetMode(String mode)
protected void	engineSetPadding(String padding)
protected byte[]	engineUpdate(byte[] input, int inputOffset, int inputLen)
protected int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)

Methods inherited from class org.bouncycastle.jcajce.provider.asymmetric.util.BaseCipherSpi

createParametersInstance, engineGetIV, engineUnwrap, engineWrap

Methods inherited from class javax.crypto.CipherSpi

engineDoFinal, engineUpdate, engineUpdateAAD, engineUpdateAAD

Methods inherited from class java.lang.Object

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

Constructor Details

CipherSpi

public CipherSpi(AsymmetricBlockCipher engine)

Method Details

engineGetBlockSize

protected int engineGetBlockSize()

Overrides:

engineGetBlockSize in class BaseCipherSpi

engineGetKeySize

protected int engineGetKeySize(Key key)

Overrides:

engineGetKeySize in class BaseCipherSpi

engineGetOutputSize

protected int engineGetOutputSize(int inputLen)

Overrides:

engineGetOutputSize in class BaseCipherSpi

engineGetParameters

protected AlgorithmParameters engineGetParameters()

Overrides:

engineGetParameters in class BaseCipherSpi

engineSetMode

protected void engineSetMode(String mode)
                      throws NoSuchAlgorithmException

Overrides:

engineSetMode in class BaseCipherSpi

Throws:

NoSuchAlgorithmException

engineSetPadding

protected void engineSetPadding(String padding)
                         throws NoSuchPaddingException

Overrides:

engineSetPadding in class BaseCipherSpi

Throws:

NoSuchPaddingException

engineInit

protected void engineInit(int opmode,
 Key key,
 AlgorithmParameterSpec params,
 SecureRandom random)
                   throws InvalidKeyException,
InvalidAlgorithmParameterException

Specified by:

engineInit in class CipherSpi

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

engineInit

protected void engineInit(int opmode,
 Key key,
 AlgorithmParameters params,
 SecureRandom random)
                   throws InvalidKeyException,
InvalidAlgorithmParameterException

Specified by:

engineInit in class CipherSpi

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

engineInit

protected void engineInit(int opmode,
 Key key,
 SecureRandom random)
                   throws InvalidKeyException

Specified by:

engineInit in class CipherSpi

Throws:

InvalidKeyException

engineUpdate

protected byte[] engineUpdate(byte[] input,
 int inputOffset,
 int inputLen)

Specified by:

engineUpdate in class CipherSpi

engineUpdate

protected int engineUpdate(byte[] input,
 int inputOffset,
 int inputLen,
 byte[] output,
 int outputOffset)

Specified by:

engineUpdate in class CipherSpi

engineDoFinal

protected byte[] engineDoFinal(byte[] input,
 int inputOffset,
 int inputLen)
                        throws IllegalBlockSizeException,
BadPaddingException

Specified by:

engineDoFinal in class CipherSpi

Throws:

IllegalBlockSizeException

BadPaddingException

engineDoFinal

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

Specified by:

engineDoFinal in class CipherSpi

Throws:

IllegalBlockSizeException

BadPaddingException

ShortBufferException