javax.crypto
Class ExemptionMechanism

java.lang.Object
  |
  +--javax.crypto.ExemptionMechanism

public class ExemptionMechanism

extends Object

ExemptionMechanism class from JCE 1.2.1. NOTE that the IAIK re-implementation does not handle JCE 1.2.1 crypto policies nor exemption in any way at this moment. This class was implemented for API compatibility only.

Attention: This is not a SUN implementation!

This class has been developed by IAIK according to the documentation publically available.
For SUNīs documentation of this class see http://java.sun.com/security/JCE1.2/spec/apidoc/index.html

Version:

File Revision 8

Constructor Summary

protected

ExemptionMechanism(ExemptionMechanismSpi exmechSpi, Provider provider, String mechanism)

Method Summary

protected void	finalize()
byte[]	genExemptionBlob()
int	genExemptionBlob(byte[] output)
int	genExemptionBlob(byte[] output, int outputOffset)
static ExemptionMechanism	getInstance(String mechanism)
static ExemptionMechanism	getInstance(String mechanism, String provider)
String	getName()
int	getOutputSize(int inputLen)
Provider	getProvider()
void	init(Key key)
void	init(Key key, AlgorithmParameters params)
void	init(Key key, AlgorithmParameterSpec params)
boolean	isCryptoAllowed(Key key)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExemptionMechanism

protected ExemptionMechanism(ExemptionMechanismSpi exmechSpi,
                             Provider provider,
                             String mechanism)

Method Detail

getName

public final String getName()

getInstance

public static final ExemptionMechanism getInstance(String mechanism)
                                            throws NoSuchAlgorithmException

getInstance

public static final ExemptionMechanism getInstance(String mechanism,
                                                   String provider)
                                            throws NoSuchAlgorithmException,
                                                   NoSuchProviderException

getProvider

public final Provider getProvider()

isCryptoAllowed

public final boolean isCryptoAllowed(Key key)
                              throws ExemptionMechanismException

getOutputSize

public final int getOutputSize(int inputLen)
                        throws IllegalStateException

init

public final void init(Key key)
                throws InvalidKeyException,
                       ExemptionMechanismException

init

public final void init(Key key,
                       AlgorithmParameterSpec params)
                throws InvalidKeyException,
                       InvalidAlgorithmParameterException,
                       ExemptionMechanismException

init

public final void init(Key key,
                       AlgorithmParameters params)
                throws InvalidKeyException,
                       InvalidAlgorithmParameterException,
                       ExemptionMechanismException

genExemptionBlob

public final byte[] genExemptionBlob()
                              throws IllegalStateException,
                                     ExemptionMechanismException

genExemptionBlob

public final int genExemptionBlob(byte[] output)
                           throws IllegalStateException,
                                  ShortBufferException,
                                  ExemptionMechanismException

genExemptionBlob

public final int genExemptionBlob(byte[] output,
                                  int outputOffset)
                           throws IllegalStateException,
                                  ShortBufferException,
                                  ExemptionMechanismException

finalize

protected void finalize()

Overrides:

finalize in class Object