iaik.xml.crypto.alg.cipher

Class ProxyCipher

java.lang.Object

javax.crypto.CipherSpi

iaik.xml.crypto.alg.cipher.ProxyCipher

Direct Known Subclasses:

AESKWProxyCipher, ARCFourProxyCipher, BlockCipherProxyCipher, RSAProxyCipher

public abstract class ProxyCipher
extends CipherSpi

This Cipher delegates all method calls to an underlying JCE cipher engine.

Field Summary

Fields

Modifier and Type	Field and Description
protected Cipher	cipher_

Constructor Summary

Constructors

Constructor and Description
ProxyCipher() Creates a new instance of this ProxyCipher.

Method Summary

Modifier and Type	Method and 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 byte[]	engineGetIV()
protected int	engineGetOutputSize(int inputLen)
protected AlgorithmParameters	engineGetParameters()
protected void	engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
protected void	engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
protected void	engineInit(int opmode, Key key, SecureRandom random)
protected void	engineSetMode(String mode)
protected void	engineSetPadding(String padding)
protected Key	engineUnwrap(byte[] wrappedKey, String wrappedKeyAlgorithm, int wrappedKeyType)
protected byte[]	engineUpdate(byte[] input, int inputOffset, int inputLen)
protected int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected byte[]	engineWrap(Key key)
protected void	getAlgorithmInstance(XSecProvider.Purpose purpose)
protected void	getAlgorithmInstanceUncaught(XSecProvider.Purpose purpose)
protected abstract String	getCipherName()
protected void	getInstance(int opmode)

Methods inherited from class javax.crypto.CipherSpi

engineDoFinal, engineGetKeySize, engineUpdate, engineUpdateAAD, engineUpdateAAD

Methods inherited from class java.lang.Object

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

Field Detail

cipher_

protected Cipher cipher_

Constructor Detail

ProxyCipher

public ProxyCipher()
            throws NoSuchAlgorithmException,
                   NoSuchProviderException,
                   NoSuchPaddingException

Creates a new instance of this ProxyCipher.

Throws:

NoSuchAlgorithmException

NoSuchPaddingException

NoSuchProviderException

Method Detail

getAlgorithmInstanceUncaught

protected void getAlgorithmInstanceUncaught(XSecProvider.Purpose purpose)
                                     throws NoSuchAlgorithmException,
                                            NoSuchProviderException,
                                            NoSuchPaddingException

Throws:

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

getAlgorithmInstance

protected void getAlgorithmInstance(XSecProvider.Purpose purpose)

getInstance

protected void getInstance(int opmode)

getCipherName

protected abstract String getCipherName()

engineSetMode

protected void engineSetMode(String mode)
                      throws NoSuchAlgorithmException

Specified by:

engineSetMode in class CipherSpi

Throws:

NoSuchAlgorithmException

See Also:

CipherSpi.engineSetMode(java.lang.String)

engineSetPadding

protected void engineSetPadding(String padding)
                         throws NoSuchPaddingException

Specified by:

engineSetPadding in class CipherSpi

Throws:

NoSuchPaddingException

See Also:

CipherSpi.engineSetPadding(java.lang.String)

engineGetBlockSize

protected int engineGetBlockSize()

Specified by:

engineGetBlockSize in class CipherSpi

See Also:

CipherSpi.engineGetBlockSize()

engineGetOutputSize

protected int engineGetOutputSize(int inputLen)

Specified by:

engineGetOutputSize in class CipherSpi

See Also:

CipherSpi.engineGetOutputSize(int)

engineGetIV

protected byte[] engineGetIV()

Specified by:

engineGetIV in class CipherSpi

See Also:

CipherSpi.engineGetIV()

engineGetParameters

protected AlgorithmParameters engineGetParameters()

Specified by:

engineGetParameters in class CipherSpi

See Also:

CipherSpi.engineGetParameters()

engineInit

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

Specified by:

engineInit in class CipherSpi

Throws:

InvalidKeyException

See Also:

CipherSpi.engineInit(int, java.security.Key, java.security.SecureRandom)

engineInit

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

Specified by:

engineInit in class CipherSpi

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

See Also:

CipherSpi.engineInit(int, java.security.Key, java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom)

engineInit

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

Specified by:

engineInit in class CipherSpi

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

See Also:

CipherSpi.engineInit(int, java.security.Key, java.security.AlgorithmParameters, java.security.SecureRandom)

engineUpdate

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

Specified by:

engineUpdate in class CipherSpi

See Also:

CipherSpi.engineUpdate(byte[], int, int)

engineUpdate

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

Specified by:

engineUpdate in class CipherSpi

Throws:

ShortBufferException

See Also:

CipherSpi.engineUpdate(byte[], int, int, byte[], int)

engineDoFinal

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

Specified by:

engineDoFinal in class CipherSpi

Throws:

IllegalBlockSizeException

BadPaddingException

See Also:

CipherSpi.engineDoFinal(byte[], int, int)

engineDoFinal

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

Specified by:

engineDoFinal in class CipherSpi

Throws:

ShortBufferException

IllegalBlockSizeException

BadPaddingException

See Also:

CipherSpi.engineDoFinal(byte[], int, int, byte[], int)

engineUnwrap

protected Key engineUnwrap(byte[] wrappedKey,
                           String wrappedKeyAlgorithm,
                           int wrappedKeyType)
                    throws InvalidKeyException,
                           NoSuchAlgorithmException

Overrides:

engineUnwrap in class CipherSpi

Throws:

InvalidKeyException

NoSuchAlgorithmException

See Also:

CipherSpi.engineUnwrap(byte[], java.lang.String, int)

engineWrap

protected byte[] engineWrap(Key key)
                     throws IllegalBlockSizeException,
                            InvalidKeyException

Overrides:

engineWrap in class CipherSpi

Throws:

IllegalBlockSizeException

InvalidKeyException

See Also:

CipherSpi.engineWrap(java.security.Key)