83 lines
3.0 KiB
Java
83 lines
3.0 KiB
Java
package de.vanitasvitae.enigmandroid.enigma;
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import java.security.SecureRandom;
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import java.sql.Ref;
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import java.util.Random;
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import de.vanitasvitae.enigmandroid.MainActivity;
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import de.vanitasvitae.enigmandroid.enigma.rotors.Reflector;
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import de.vanitasvitae.enigmandroid.enigma.rotors.Rotor;
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/**
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* Concrete implementation of an enigma machine model M3
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* Copyright (C) 2015 Paul Schaub
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* @author vanitasvitae
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*/
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public class Enigma_M3 extends Enigma_I
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{
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protected static int machineTypeOffset = 20;
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public Enigma_M3()
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{
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super();
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machineType = "M3";
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}
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@Override
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protected void generateState() {
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int rotor1, rotor2=-1, rotor3=-1;
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rotor1 = rand.nextInt(8);
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while(rotor2 == -1 || rotor2 == rotor1) rotor2 = rand.nextInt(8);
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while(rotor3 == -1 || rotor3 == rotor2 || rotor3 == rotor1) rotor3 = rand.nextInt(8);
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int ref = rand.nextInt(2);
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int rot1 = rand.nextInt(26);
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int rot2 = rand.nextInt(26);
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int rot3 = rand.nextInt(26);
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int ring1 = rand.nextInt(26);
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int ring2 = rand.nextInt(26);
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int ring3 = rand.nextInt(26);
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this.rotor1 = Rotor.createRotor(machineTypeOffset + rotor1, rot1, ring1);
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this.rotor2 = Rotor.createRotor(machineTypeOffset + rotor2, rot2, ring2);
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this.rotor3 = Rotor.createRotor(machineTypeOffset + rotor3, rot3, ring3);
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this.reflector = Reflector.createReflector(machineTypeOffset + ref);
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this.plugboard = new Plugboard();
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plugboard.setConfiguration(Plugboard.seedToPlugboardConfiguration(rand));
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}
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@Override
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public String stateToString() {
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String save = MainActivity.APP_ID+"/";
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long s = rotor3.getRingSetting();
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s = addDigit(s, rotor3.getRotation(), 26);
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s = addDigit(s, rotor2.getRingSetting(), 26);
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s = addDigit(s, rotor2.getRotation(), 26);
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s = addDigit(s, rotor1.getRingSetting(), 26);
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s = addDigit(s, rotor1.getRotation(), 26);
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s = addDigit(s, rotor3.getNumber(), 10);
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s = addDigit(s, rotor2.getNumber(), 10);
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s = addDigit(s, rotor1.getNumber(), 10);
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s = addDigit(s, 1, 20); //Machine #1
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save = save+s;
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save = save + ":p" + Plugboard.configurationToString(getState().getConfigurationPlugboard());
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return save;
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}
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}
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