From c9dd9469183d95c6c2f4d01e3d6365ec57386a65 Mon Sep 17 00:00:00 2001
From: Leonard Kugis <leonard@kug.is>
Date: Mon, 25 Apr 2022 18:43:46 +0200
Subject: Initial commit

---
 src/algorithmus/XOR.java | 102 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100755 src/algorithmus/XOR.java

(limited to 'src/algorithmus/XOR.java')

diff --git a/src/algorithmus/XOR.java b/src/algorithmus/XOR.java
new file mode 100755
index 0000000..0bbfef3
--- /dev/null
+++ b/src/algorithmus/XOR.java
@@ -0,0 +1,102 @@
+package algorithmus;
+
+import java.awt.TextField;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JSpinner;
+
+public class XOR extends Algorithmus {
+	
+	private String name, key;
+	private String[] folgen;
+	private char[] chars;
+	
+	public XOR() {
+		name = "XOR";
+		key = "";
+		chars = new char[] { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' };
+		folgen = new String[] { "01000001", "01000010", "01000011", "01000100", "01000101", "01000110", "01000111", "01001000", "01001001", "01001010", "01001011", "01001100", "01001101", "01001110", "01001111", "01010000", "01010001", "01010011", "01010100", "01010101", "01010110", "01010111", "01011000", "01011001", "01011010" };
+	}
+
+	@Override
+	public void options() {
+		JFrame frame = new JFrame();
+		frame.setLayout(null);
+		frame.setTitle("XOR");
+		frame.setSize(200, 150);
+		TextField keyField = new TextField();
+		keyField.setText(key);
+		keyField.setBounds(5, 5, 150, 20);
+		TextField alphabet = new TextField();
+		String alphaText = "";
+		for(int i = 0; i<chars.length; i++) {
+			alphaText += chars[i];
+		}
+		alphabet.setText(alphaText);
+		alphabet.setBounds(5, 30, 150, 20);
+		TextField binary = new TextField();
+		String binarystr = "";
+		for(int i = 0; i<folgen.length; i++) {
+			binarystr += folgen[i] + ";";
+		}
+		binary.setText(binarystr);
+		binary.setBounds(5, 55, 150, 20);
+		JButton apply = new JButton("Speichern");
+		apply.setBounds(5, 80, 100, 20);
+		apply.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				String alpha = alphabet.getText();
+				chars = new char[alpha.length()];
+				for(int i = 0; i<chars.length; i++) {
+					chars[i] = alpha.charAt(i);
+				}
+				key = keyField.getText();
+				folgen = binary.getText().split(";");
+			}
+		});
+		frame.add(keyField);
+		frame.add(alphabet);
+		frame.add(binary);
+		frame.add(apply);
+		frame.setVisible(true);
+	}
+
+	@Override
+	public String getName() {
+		return name;
+	}
+
+	@Override
+	public String encode(String input) {
+		String out = "";
+		int size = input.length();
+		for(int i = 0; i<size; i++)
+			out += xor(folgen[Utils.inArr(chars, input.charAt(i))], folgen[Utils.inArr(chars, key.charAt(i%key.length()))]) + ';';
+		return out;
+	}
+
+	@Override
+	public String decode(String input) {
+		String out = "";
+		String[] in = input.split(";");
+		for(int i = 0; i<in.length; i++)
+			out += xor(in[i], folgen[Utils.inArr(chars, key.charAt(i%key.length()))]) + ';';
+		return out;
+	}
+	
+	private String xor(String one, String two) {
+		String out = "";
+		for(int x = 0, len = one.length(); x<len; x++) {
+			if((one.charAt(x) == '0' && two.charAt(x) == '0') || (one.charAt(x) == '1' && two.charAt(x) == '1'))
+				out += '0';
+			else if((one.charAt(x) == '0' && two.charAt(x) == '1') || (one.charAt(x) == '1' && two.charAt(x) == '0'))
+				out += '1';
+		}
+		return out;
+	}
+
+}
-- 
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