94 lines
2.0 KiB
Java
94 lines
2.0 KiB
Java
package de.vanitasvitae.enigmandroid.rotors;
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/**
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* Created by vanitas on 11.08.15.
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*/
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public class Reflector
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{
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protected String name;
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protected int type;
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protected Integer[] connections;
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protected Reflector(String name, int type, Integer[] connections)
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{
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this.name = name;
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this.type = type;
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this.connections = connections;
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}
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public static Reflector createReflectorA()
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{
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return new ReflectorA();
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}
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public static Reflector createReflectorB()
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{
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return new ReflectorB();
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}
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public static Reflector createReflectorC()
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{
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return new ReflectorC();
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}
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public static Reflector createReflector(int type)
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{
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switch (type)
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{
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case 1: return createReflectorA();
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case 2: return createReflectorB();
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default: return createReflectorC();
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}
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}
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public int encrypt(int input)
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{
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return this.connections[normalize(input)];
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}
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public int getType()
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{
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return this.type;
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}
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public String getName()
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{
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return this.name;
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}
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private int getRotorSize()
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{
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return this.connections.length;
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}
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private int normalize(int input)
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{
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return (input + this.getRotorSize()) % this.getRotorSize();
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}
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private static class ReflectorA extends Reflector
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{
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public ReflectorA()
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{
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super("A", 1, new Integer[]{4, 9, 12, 25, 0, 11, 24, 23, 21, 1, 22, 5, 2, 17, 16, 20, 14, 13, 19, 18, 15, 8, 10, 7, 6, 3});
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}
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}
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private static class ReflectorB extends Reflector
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{
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public ReflectorB()
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{
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super("B", 2, new Integer[]{24, 17, 20, 7, 16, 18, 11, 3, 15, 23, 13, 6, 14, 10, 12, 8, 4, 1, 5, 25, 2, 22, 21, 9, 0, 19});
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}
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}
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private static class ReflectorC extends Reflector
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{
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public ReflectorC()
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{
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super("C", 3, new Integer[]{5, 21, 15, 9, 8, 0, 14, 24, 4, 3, 17, 25, 23, 22, 6, 2, 19, 10, 20, 16, 18, 1, 13, 12, 7, 11});
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}
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}
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}
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