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gnu.crypto.jce.mac
Class HMacSHA256Spi

java.lang.Object
  extended byjavax.crypto.MacSpi
      extended bygnu.crypto.jce.mac.MacAdapter
          extended bygnu.crypto.jce.mac.HMacSHA256Spi

public final class HMacSHA256Spi
extends MacAdapter

The implementation of the HMAC-SHA-256 Service Provider Interface (SPI) adapter.

Version:
$Revision: 1.2 $

Field Summary
protected  java.util.Map attributes
          Our MAC attributes.
protected  IMac mac
          Our MAC instance.
 
Constructor Summary
HMacSHA256Spi()
           
 
Method Summary
 java.lang.Object clone()
           
protected  byte[] engineDoFinal()
           
protected  int engineGetMacLength()
           
protected  void engineInit(java.security.Key key, java.security.spec.AlgorithmParameterSpec params)
           
protected  void engineReset()
           
protected  void engineUpdate(byte b)
           
protected  void engineUpdate(byte[] in, int off, int len)
           
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

mac

protected IMac mac
Our MAC instance.


attributes

protected java.util.Map attributes
Our MAC attributes.

Constructor Detail

HMacSHA256Spi

public HMacSHA256Spi()
Method Detail

clone

public java.lang.Object clone()

engineDoFinal

protected byte[] engineDoFinal()

engineGetMacLength

protected int engineGetMacLength()

engineInit

protected void engineInit(java.security.Key key,
                          java.security.spec.AlgorithmParameterSpec params)
                   throws java.security.InvalidKeyException,
                          java.security.InvalidAlgorithmParameterException
Throws:
java.security.InvalidKeyException
java.security.InvalidAlgorithmParameterException

engineReset

protected void engineReset()

engineUpdate

protected void engineUpdate(byte b)

engineUpdate

protected void engineUpdate(byte[] in,
                            int off,
                            int len)

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