Class TripleDESKeyWrap

Implemented Interfaces:

public class TripleDESKeyWrap
extends BaseKeyWrappingAlgorithm

The GNU implementation of the Triple DES Key Wrap Algorithm as described in [1].

IMPORTANT: This class is NOT thread safe.


  1. Triple-DES and RC2 Key Wrapping.
  2. XML Encryption Syntax and Processing.

Field Summary

Fields inherited from class gnu.javax.crypto.kwa.BaseKeyWrappingAlgorithm


Fields inherited from interface gnu.javax.crypto.kwa.IKeyWrappingAlgorithm


Constructor Summary

The basic constructor.

Method Summary

protected void
engineInit(Map<K,V> attributes)
protected byte[]
engineUnwrap(byte[] in, int inOffset, int length)
protected byte[]
engineWrap(byte[] in, int inOffset, int length)

Methods inherited from class gnu.javax.crypto.kwa.BaseKeyWrappingAlgorithm

engineInit, engineUnwrap, engineWrap, getDefaultPRNG, init, name, unwrap, unwrap, wrap, wrap

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details


public TripleDESKeyWrap()
The basic constructor. Object is special, because it has no superclass, so there is no call to super().

Method Details


protected void engineInit(Map<K,V> attributes)
            throws InvalidKeyException
engineInit in interface BaseKeyWrappingAlgorithm


protected byte[] engineUnwrap(byte[] in,
                              int inOffset,
                              int length)
            throws KeyUnwrappingException
engineUnwrap in interface BaseKeyWrappingAlgorithm


protected byte[] engineWrap(byte[] in,
                            int inOffset,
                            int length)
engineWrap in interface BaseKeyWrappingAlgorithm -- FIXME: briefly describe file purpose Copyright (C) 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.