96 lines
3.9 KiB
Java
96 lines
3.9 KiB
Java
import javax.swing.*;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.math.BigInteger;
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public class MainWindow extends JDialog implements ChangeListener, ActionListener {
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private JPanel contentPane;
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private JTextArea publicKeyTextArea;
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private JTextArea privateKeyTextArea;
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private JTextField plainNumber;
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private JTextField encryptedNumber2;
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private JButton cryptButton;
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private JButton decryptButton;
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private JButton generateKeysButton;
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private JTextField encryptedNumber;
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private JTextField decryptedNumber;
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private JSlider keylength;
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private JLabel keylengthLabel;
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private JTextArea moduleTextArea;
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private JButton moveNumberButton;
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private JButton buttonOK;
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private RSA rsa;
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public MainWindow() {
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setContentPane(contentPane);
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setModal(true);
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getRootPane().setDefaultButton(buttonOK);
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generateKeysButton.addActionListener(this);
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cryptButton.addActionListener(this);
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decryptButton.addActionListener(this);
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keylength.setMinimum(8);
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keylength.setMaximum(50);
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keylength.setMajorTickSpacing(10);
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keylength.setMinorTickSpacing(5);
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keylength.setValue(32);
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keylength.setPaintTicks(true);
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keylength.setPaintLabels(true);
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keylength.addChangeListener(this);
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keylengthLabel.setText(String.valueOf(keylength.getValue()));
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moveNumberButton.addActionListener(this);
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}
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public void stateChanged(ChangeEvent e){
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JSlider source = (JSlider)e.getSource();
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if (source == this.keylength) {
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int value = source.getValue();
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this.keylengthLabel.setText(String.valueOf(value));
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}
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}
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public void actionPerformed(ActionEvent e) {
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JButton source = (JButton) e.getSource();
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if (source == this.cryptButton) {
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try {
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BigInteger message = new BigInteger(this.plainNumber.getText());
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BigInteger key = new BigInteger(this.publicKeyTextArea.getText());
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BigInteger module = new BigInteger(this.moduleTextArea.getText());
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String encrypted = RSA.cipher(message, key, module).toString();
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this.encryptedNumber.setText(encrypted);
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} catch (NumberFormatException ex) {
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JOptionPane.showMessageDialog(this, "Invalid value(s), check your input and try again!", "RSA Test", JOptionPane.ERROR_MESSAGE);
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}
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} else if (source == this.decryptButton) {
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try {
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BigInteger encryNumber = new BigInteger(this.encryptedNumber2.getText());
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BigInteger key = new BigInteger(this.privateKeyTextArea.getText());
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BigInteger module = new BigInteger(this.moduleTextArea.getText());
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String decrypted = RSA.cipher(encryNumber, key, module).toString();
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this.decryptedNumber.setText(decrypted);
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} catch (NumberFormatException ex) {
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JOptionPane.showMessageDialog(this, "Invalid value(s), check your input and try again!", "RSA Test", JOptionPane.ERROR_MESSAGE);
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}
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} else if (source == this.generateKeysButton) {
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this.rsa = new RSA(this.keylength.getValue());
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this.rsa.createKeys();
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this.publicKeyTextArea.setText(this.rsa.getPublicKey()+"");
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this.privateKeyTextArea.setText(this.rsa.getPrivateKey()+"");
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this.moduleTextArea.setText(this.rsa.getRSAModule()+"");
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} else if (source == this.moveNumberButton) {
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this.encryptedNumber2.setText(this.encryptedNumber.getText());
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}
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}
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public static void main(String[] args) {
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MainWindow dialog = new MainWindow();
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dialog.pack();
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dialog.setVisible(true);
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dialog.setSize(800, 600);
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System.exit(0);
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}
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}
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