NullCipher.java

public class NullCipher extends ClassicalCipher
{
// Merely repeats ClassicalCipher, which is itself Null by default

/*
Copyright (C) 2019  S Combes

    This program 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 3 of the License, or
    (at your option) any later version.

    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. */

// ----------------------------------------------------------------------
NullCipher()                      { super();   }
NullCipher(Codespace cs)          { super(cs); }
// ----------------------------------------------------------------------
public String toString() 
     { return (this.getClass().getName()+" Cipher"+super.toString());}
// ----------------------------------------------------------------------
public static void main(String [] args) {
  
NullCipher nc=new NullCipher();

String dummy="NOWISTHETIMEFROALLGOODMENTOCOMETOTHEAIDOFTHEPARTY";

if (nc.knownTest(dummy,dummy)) System.out.println("PASS");
else System.out.println("******** FAIL ***********");
}
}