Sunday, 22 October 2017
BaseIndexModifier.java (DiceLock Indexed By Index Key Modifier base class Java source code file) Print E-mail
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//
// Creator:    http://www.dicelocksecurity.com
// Version:    vers.6.0.0.1
//
// Copyright (C) 2011-2012 DiceLock Security, LLC. All rights reserved.
//
//                               DISCLAIMER
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// DICELOCK IS A REGISTERED TRADEMARK OR TRADEMARK OF THE OWNERS.
//
// Environment:
// java version "1.6.0_29"
// Java(TM) SE Runtime Environment (build 1.6.0_29-b11)
// Java HotSpot(TM) Server VM (build 20.4-b02, mixed mode)
//
 
package com.dicelocksecurity.jdicelock.Cipher.SymmetricCipher.DiceLock.IndexModifier;
 
import com.dicelocksecurity.jdicelock.CryptoRandomStream.BaseCryptoRandomStream;
 
import java.security.KeyManagementException;
 
/**
 * Class implementing By Index Key Modifiers base class
 *
 * @author      Angel Ferré @ DiceLock Security
 * @version     6.0.0.1
 * @since       2011-10-30
 */
public abstract class BaseIndexModifier {
 
    /**
     * Constructor, default
     */
    public BaseIndexModifier() {
        super();
    }
 
    /**
     * Destructor
     */
    public void finalize() {
 
    }
 
    /**
     * Initializes the object
     */
    abstract public void Initialize();
 
    /**
     * Gets the index length in bits
     */
    abstract public int GetBitIndexLength();
 
    /**
     * Gets the index length in bytes
     */
    abstract public int GetUCIndexLength();
 
    /**
     * Gets the index length in shorts
     */
    abstract public int GetUSIndexLength();
 
    /**
     * Gets the index length in ints
     */
    abstract public int GetULIndexLength();
 
    /**
     * Gets the next key based on the index
     */
    abstract public void GenerateNextKeyIndexed(BaseCryptoRandomStream key,
                                                BaseCryptoRandomStream transformedKey) throws KeyManagementException;
 
    /**
     * Gets the transformed key based on initial key and index
     */
    abstract public void GetTransformedKey(BaseCryptoRandomStream key, BaseCryptoRandomStream indexModifier,
                                           BaseCryptoRandomStream transformedKey);
 
    /**
     * Gets the current index corresponding to the transformed key
     */
    abstract public BaseCryptoRandomStream GetTransformerIndex();
 
}