Thursday, 14 December 2017
BaseSymmetricStreamer.java (base symmetric streamers 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.SymmetricStreamer;
 
import com.dicelocksecurity.jdicelock.Cipher.SymmetricCipher.BaseSymmetricCipher;
import com.dicelocksecurity.jdicelock.Cipher.SymmetricCipher.SymmetricCiphers;
import com.dicelocksecurity.jdicelock.CryptoRandomStream.BaseCryptoRandomStream;
 
/**
 * Class implementing symmetric streamer base class
 *
 * @author      Angel Ferré @ DiceLock Security
 * @version     6.0.0.1
 * @since       2011-10-30
 */
public abstract class BaseSymmetricStreamer extends BaseSymmetricCipher {
 
    /**
     * Symmetric cipher type enumerator name
     */
    protected static final SymmetricCiphers SYMMETRICCIPHERTYPE = SymmetricCiphers.StreamerCipherType;
 
    /**
     * Constructor, default
     */
    public BaseSymmetricStreamer() {
        super();
    }
 
    /**
     * Destructor
     */
    public void finalize() {
 
    }
 
    /**
     * Sets initialization vector stream
     *
     * @param   iniVector     BaseCryptoRandomStream initialization vector data used by cipher operation mode
     */
    abstract public void SetIV(BaseCryptoRandomStream iniVector);
 
    /**
     * Gets initialization vector stream
     *
     * @return   BaseCryptoRandomStream:     BaseCryptoRandomStream initialization vector used by cipher operation mode
     */
    abstract public BaseCryptoRandomStream GetIV();
 
    /**
     * Removes initialization vector stream
     */
    abstract public void RemoveIV();
 
    /**
     * Sets working initialization vector stream
     *
     * @param   workIV    BaseCryptoRandomStream initalization vector used to perform cipher/decipher operations
     */
    abstract public void SetWorkingIV(BaseCryptoRandomStream workIV);
 
    /**
     * Gets working initialization vector stream
     *
     * @return  BaseCryptoRandomStream:     BaseCryptoRandomStream bit stream used as working initialization vector
     */
    abstract public BaseCryptoRandomStream GetWorkingIV();
 
    /**
     * Removes working initialization vector stream
     */
    abstract public void RemoveWorkingIV();
 
    /**
     * Gets stream initialization vector length in bits
     *
     * @return    short:    initialization vector length in bits
     */
    abstract public short GetBitIVLength();
 
    /**
     * Gets stream initialization vector length in bytes
     *
     * @return    short:    initialization vector length in bytes
     */
    abstract public short GetUCIVLength();
 
    /**
     * Gets stream initialization vector length in shorts
     *
     * @return    short:    initialization vector length in shorts
     */
    abstract public short GetUSIVLength();
 
    /**
     * Gets stream initialization vector length in ints
     *
     * @return    short:    initialization vector length in ints
     */
    abstract public short GetULIVLength();
 
    /**
     * Gets ciphertext length in bits based on plaintext length and Symmetric Streamer configuration
     *
     * @param   bitLength    length in bits of plain text to be ciphered
     * @return  int:         length in bits that BaseCryptoRandomStream cipher text must have to cipher plaintext
     */
    abstract public int GetBitCiphertextLength(int bitLength);
 
    /**
     * Gets ciphertext length in bytes based on plaintext length and Symmetric Streamer configuration
     *
     * @param   uCLength    length in byte of plain text to be ciphered
     * @return  int:        length in bytes that BaseCryptoRandomStream cipher text must have to cipher plaintext
     */
    abstract public int GetUCCiphertextLength(int uCLength);
 
    /**
     * Gets ciphertext length in shorts based on plaintext length and Symmetric Streamer configuration
     *
     * @param   uSLength    length in shorts of plain text to be ciphered
     * @return  int:        length in shorts that BaseCryptoRandomStream cipher text must have to cipher plaintext
     */
    abstract public int GetUSCiphertextLength(int uSLength);
 
    /**
     * Gets ciphertext length in ints based on plaintext length and Symmetric Streamer configuration
     *
     * @param   uLLength    length in ints of plain text to be ciphered
     * @return  int:        length in ints that BaseCryptoRandomStream cipher text must have to cipher plaintext
     */
    abstract public int GetULCiphertextLength(int uLLength);
 
    /**
     * Gets plaintext length in bits based on ciphertext length and Symmetric Streamer configuration
     *
     * @param   bitLength    length in bits of cipher text to be deciphered
     * @return  int:         length in bits that BaseCryptoRandomStream plain text must have to decipher ciphertext
     */
    abstract public int GetBitDecipheredtextLength(int bitLength);
 
    /**
     * Gets plaintext length in bytes based on ciphertext length and Symmetric Streamer configuration
     *
     * @param   uCLength    length in bytes of cipher text to be deciphered
     * @return  int:        length in bytes that BaseCryptoRandomStream plain text must have to decipher ciphertext
     */
    abstract public int GetUCDecipheredtextLength(int uCLength);
 
    /**
     * Gets plaintext length in shorts based on ciphertext length and Symmetric Streamer configuration
     *
     * @param   uSLength    length in shorts of cipher text to be deciphered
     * @return  int:        length in shorts that BaseCryptoRandomStream plain text must have to decipher ciphertext
     */
    abstract public int GetUSDecipheredtextLength(int uSLength);
 
    /**
     * Gets plaintext length in ints based on ciphertext length and Symmetric Streamer configuration
     *
     * @param   uLLength    length in ints of cipher text to be deciphered
     * @return  int:        length in ints that BaseCryptoRandomStream plain text must have to decipher ciphertext
     */
    abstract public int GetULDecipheredtextLength(int uLLength);
 
    /**
     * Gets the symmetric cipher type of the object
     *
     * @return    SymmetricCiphers:     symmetric cipher type of the object
     */
    public SymmetricCiphers GetSymmetricCipherType() {
 
        return BaseSymmetricStreamer.SYMMETRICCIPHERTYPE;
    }
 
    /**
     * Gets the symmetric streamer type of the object
c   */
    abstract public SymmetricStreamers GetSymmetricStreamerType();
 
    // SPECIAL FUNCTIONS FOR SPECIAL STREAMERS
 
    /**
     * Gets the symmetric streamer special type of the object
     *
     * @return    SymmetricStreamerSpecialTypes:     enumeration value if special handle must be performed with symmetric streamer
     */
    abstract public SymmetricStreamerSpecialTypes GetSymmetricStreamerSpecialType();
 
    /**
     * Gets special bit block length for CBC Mode in bits
     *
     * @return    int:    block length in bits for CBC operation mode
     */
    abstract public int SpecialGetBitBlockLength();
 
    /**
     * Gets special byte block length for CBC Mode in unsigned chars
     *
     * @return    int:    block length in bytes for CBC operation mode
     */
    abstract public int SpecialGetUCBlockLength();
 
    /**
     * Gets special short block length for CBC Mode in unsigned short ints
     *
     * @return    int:    block length in shorts for CBC operation mode
     */
    abstract public int SpecialGetUSBlockLength();
 
    /**
     * Gets special int block length for CBC Mode in ints
     *
     * @return    int:    block length in ints for CBC operation mode
     */
    abstract public int SpecialGetULBlockLength();
 
}