NullCipherImpl() 
{
    super();
}

 protected byte[] engineDoFinal(byte[] input,
    int inputOffset,
    int inputLen) 
{
    return engineUpdate(input, inputOffset, inputLen);
}

 protected int engineDoFinal(byte[] input,
    int inputOffset,
    int inputLen,
    byte[] output,
    int outputOffset) throws ShortBufferException 
{
    return engineUpdate(input, inputOffset, inputLen, output, outputOffset);
}

 protected int engineGetBlockSize() 
{
    return 1;
}

 protected byte[] engineGetIV() 
{
    return null;
}

 protected int engineGetOutputSize(int inputLen) 
{
    return inputLen;
}

 protected AlgorithmParameters engineGetParameters() 
{
    return null;
}

 protected  void engineInit(int mode,
    Key key,
    SecureRandom random) 
{

}

 protected  void engineInit(int mode,
    Key key,
    AlgorithmParameterSpec spec,
    SecureRandom random) 
{

}

 protected  void engineInit(int mode,
    Key key,
    AlgorithmParameters params,
    SecureRandom random) 
{

}

 protected  void engineSetMode(String mode) 
{

}

 protected  void engineSetPadding(String padding) 
{

}

 protected byte[] engineUpdate(byte[] input,
    int inputOffset,
    int inputLen) 
{
    if (input == null)
      return new byte[0];
    if (inputOffset <  0 || inputLen <  0 || inputOffset + inputLen  > input.length)
      throw new ArrayIndexOutOfBoundsException();
    byte[] output = new byte[inputLen];
    System.arraycopy(input, inputOffset, output, 0, inputLen);
    return output;
}

 protected int engineUpdate(byte[] input,
    int inputOffset,
    int inputLen,
    byte[] output,
    int outputOffset) throws ShortBufferException 
{
    if (input == null)
      return 0;
    if (inputOffset <  0 || inputLen <  0 || inputOffset + inputLen  > input.length
        || outputOffset <  0)
      throw new ArrayIndexOutOfBoundsException();
    if (output.length - outputOffset <  inputLen)
      throw new ShortBufferException();
    System.arraycopy(input, inputOffset, output, outputOffset, inputLen);
    return inputLen;
}