org.bouncycastle.jce.provider
Class JCEElGamalCipher

java.lang.Object
  javax.crypto.CipherSpi
      org.bouncycastle.jce.provider.WrapCipherSpi
          org.bouncycastle.jce.provider.JCEElGamalCipher

All Implemented Interfaces:

PBE

Direct Known Subclasses:

JCEElGamalCipher.NoPadding, JCEElGamalCipher.PKCS1v1_5Padding

public class JCEElGamalCipher
extends WrapCipherSpi

Nested Class Summary

static class	JCEElGamalCipher.NoPadding classes that inherit from us.
static class	JCEElGamalCipher.PKCS1v1_5Padding

Nested classes/interfaces inherited from class org.bouncycastle.jce.provider.WrapCipherSpi

WrapCipherSpi.DESEDEWrap, WrapCipherSpi.RC2Wrap, WrapCipherSpi.RFC3211DESedeWrap

Nested classes/interfaces inherited from interface org.bouncycastle.jce.provider.PBE

PBE.Util

Field Summary

private BufferedAsymmetricBlockCipher	cipher
private java.security.AlgorithmParameters	engineParams
private java.security.spec.AlgorithmParameterSpec	paramSpec

Fields inherited from class org.bouncycastle.jce.provider.WrapCipherSpi

pbeHash, pbeIvSize, pbeKeySize, pbeType, wrapEngine

Fields inherited from interface org.bouncycastle.jce.provider.PBE

MD5, OPENSSL, PKCS12, PKCS5S1, PKCS5S2, RIPEMD160, SHA1, SHA256, TIGER

Constructor Summary

JCEElGamalCipher(AsymmetricBlockCipher engine)

Method Summary

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 byte[]	engineGetIV()
protected int	engineGetKeySize(java.security.Key key)
protected int	engineGetOutputSize(int inputLen)
protected java.security.AlgorithmParameters	engineGetParameters()
protected void	engineInit(int opmode, java.security.Key key, java.security.spec.AlgorithmParameterSpec params, java.security.SecureRandom random)
protected void	engineInit(int opmode, java.security.Key key, java.security.AlgorithmParameters params, java.security.SecureRandom random)
protected void	engineInit(int opmode, java.security.Key key, java.security.SecureRandom random)
protected void	engineSetMode(java.lang.String mode)
protected void	engineSetPadding(java.lang.String padding)
protected byte[]	engineUpdate(byte[] input, int inputOffset, int inputLen)
protected int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
private void	initFromSpec(javax.crypto.spec.OAEPParameterSpec pSpec)

Methods inherited from class org.bouncycastle.jce.provider.WrapCipherSpi

engineUnwrap, engineWrap

Methods inherited from class javax.crypto.CipherSpi

engineDoFinal, engineUpdate

Methods inherited from class java.lang.Object

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

Field Detail

cipher

private BufferedAsymmetricBlockCipher cipher

paramSpec

private java.security.spec.AlgorithmParameterSpec paramSpec

engineParams

private java.security.AlgorithmParameters engineParams

Constructor Detail

JCEElGamalCipher

public JCEElGamalCipher(AsymmetricBlockCipher engine)

Method Detail

initFromSpec

private void initFromSpec(javax.crypto.spec.OAEPParameterSpec pSpec)
                   throws javax.crypto.NoSuchPaddingException

Throws:

javax.crypto.NoSuchPaddingException

engineGetBlockSize

protected int engineGetBlockSize()

Overrides:

engineGetBlockSize in class WrapCipherSpi

engineGetIV

protected byte[] engineGetIV()

Overrides:

engineGetIV in class WrapCipherSpi

engineGetKeySize

protected int engineGetKeySize(java.security.Key key)

Overrides:

engineGetKeySize in class WrapCipherSpi

engineGetOutputSize

protected int engineGetOutputSize(int inputLen)

Overrides:

engineGetOutputSize in class WrapCipherSpi

engineGetParameters

protected java.security.AlgorithmParameters engineGetParameters()

Overrides:

engineGetParameters in class WrapCipherSpi

engineSetMode

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

Overrides:

engineSetMode in class WrapCipherSpi

Throws:

java.security.NoSuchAlgorithmException

engineSetPadding

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

Overrides:

engineSetPadding in class WrapCipherSpi

Throws:

javax.crypto.NoSuchPaddingException

engineInit

protected void engineInit(int opmode,
                          java.security.Key key,
                          java.security.spec.AlgorithmParameterSpec params,
                          java.security.SecureRandom random)
                   throws java.security.InvalidKeyException

Overrides:

engineInit in class WrapCipherSpi

Throws:

java.security.InvalidKeyException

engineInit

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

Overrides:

engineInit in class WrapCipherSpi

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineInit

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

Overrides:

engineInit in class WrapCipherSpi

Throws:

java.security.InvalidKeyException

engineUpdate

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

Overrides:

engineUpdate in class WrapCipherSpi

engineUpdate

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

Overrides:

engineUpdate in class WrapCipherSpi

engineDoFinal

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

Overrides:

engineDoFinal in class WrapCipherSpi

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

engineDoFinal

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

Overrides:

engineDoFinal in class WrapCipherSpi

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException