hraskeygenerator.java~

文件加密解密程序。内含公开暗号（RAS）加解密工具

/*
 * HRasKeyGenerator.java
 *
 * Created on 2003/09/22, 16:35
 */

package HUtil.HCipher;

/**
 *
 * @author  Administrator
 */
public class HRasKeyGenerator extends javax.swing.JFrame {
    
    /** Creates new form HRasKeyGenerator */
    public HRasKeyGenerator() {
        initComponents();
        this.setBounds(100,100,495,300);
    }
    
    int p,q;
    int modulus, publickey, privatekey, maximum;
    int limit = 300;
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        jPanel1 = new javax.swing.JPanel();
        jPanel5 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jTextField2 = new javax.swing.JTextField();
        jCheckBox1 = new javax.swing.JCheckBox();
        jButton1 = new javax.swing.JButton();
        jPanel6 = new javax.swing.JPanel();
        jLabel3 = new javax.swing.JLabel();
        jComboBox1 = new javax.swing.JComboBox();
        jLabel5 = new javax.swing.JLabel();
        jTextField3 = new javax.swing.JTextField();
        jPanel7 = new javax.swing.JPanel();
        jLabel4 = new javax.swing.JLabel();
        jTextField4 = new javax.swing.JTextField();
        jLabe6 = new javax.swing.JLabel();
        jTextField5 = new javax.swing.JTextField();
        jButton3 = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        jPanel3 = new javax.swing.JPanel();
        jButton2 = new javax.swing.JButton();
        jPanel4 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();

        setTitle("KeyGenerator");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
            }
        });

        jPanel1.setLayout(new java.awt.GridLayout(3, 0));

        jPanel1.setPreferredSize(new java.awt.Dimension(10, 120));
        jPanel5.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));

        jPanel5.setBorder(new javax.swing.border.EtchedBorder());
        jLabel1.setText("From");
        jLabel1.setPreferredSize(new java.awt.Dimension(70, 18));
        jPanel5.add(jLabel1);

        jTextField1.setText("3");
        jTextField1.setPreferredSize(new java.awt.Dimension(80, 22));
        jPanel5.add(jTextField1);

        jLabel2.setText("To");
        jLabel2.setPreferredSize(new java.awt.Dimension(60, 18));
        jPanel5.add(jLabel2);

        jTextField2.setText("300");
        jTextField2.setPreferredSize(new java.awt.Dimension(80, 22));
        jPanel5.add(jTextField2);

        jCheckBox1.setSelected(true);
        jCheckBox1.setText("Random");
        jCheckBox1.setPreferredSize(new java.awt.Dimension(80, 24));
        jCheckBox1.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                jCheckBox1StateChanged(evt);
            }
        });

        jPanel5.add(jCheckBox1);

        jButton1.setText("Run");
        jButton1.setPreferredSize(new java.awt.Dimension(80, 22));
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jPanel5.add(jButton1);

        jPanel1.add(jPanel5);

        jPanel6.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));

        jPanel6.setBorder(new javax.swing.border.EtchedBorder());
        jPanel6.setPreferredSize(new java.awt.Dimension(0, 35));
        jLabel3.setText("Public Key");
        jLabel3.setPreferredSize(new java.awt.Dimension(70, 18));
        jPanel6.add(jLabel3);

        jComboBox1.setPreferredSize(new java.awt.Dimension(140, 25));
        jPanel6.add(jComboBox1);

        jLabel5.setText("  Modulus");
        jLabel5.setPreferredSize(new java.awt.Dimension(85, 18));
        jPanel6.add(jLabel5);

        jTextField3.setEditable(false);
        jTextField3.setPreferredSize(new java.awt.Dimension(80, 20));
        jPanel6.add(jTextField3);

        jPanel1.add(jPanel6);

        jPanel7.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));

        jPanel7.setBorder(new javax.swing.border.EtchedBorder());
        jLabel4.setText("Private Key");
        jLabel4.setPreferredSize(new java.awt.Dimension(70, 18));
        jPanel7.add(jLabel4);

        jTextField4.setEditable(false);
        jTextField4.setPreferredSize(new java.awt.Dimension(140, 25));
        jPanel7.add(jTextField4);

        jLabe6.setText("  Maximum");
        jLabe6.setPreferredSize(new java.awt.Dimension(85, 18));
        jPanel7.add(jLabe6);

        jTextField5.setText("100000");
        jTextField5.setPreferredSize(new java.awt.Dimension(80, 20));
        jPanel7.add(jTextField5);

        jButton3.setText("Get");
        jButton3.setPreferredSize(new java.awt.Dimension(80, 22));
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jPanel7.add(jButton3);

        jPanel1.add(jPanel7);

        getContentPane().add(jPanel1, java.awt.BorderLayout.NORTH);

        jPanel2.setBorder(new javax.swing.border.EtchedBorder());
        getContentPane().add(jPanel2, java.awt.BorderLayout.WEST);

        jPanel3.setBorder(new javax.swing.border.EtchedBorder());
        jPanel3.setPreferredSize(new java.awt.Dimension(90, 10));
        jButton2.setText("Reset");
        jButton2.setPreferredSize(new java.awt.Dimension(80, 22));
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jPanel3.add(jButton2);

        getContentPane().add(jPanel3, java.awt.BorderLayout.EAST);

        getContentPane().add(jPanel4, java.awt.BorderLayout.SOUTH);

        jScrollPane1.setViewportView(jTextArea1);

        getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);

        pack();
    }//GEN-END:initComponents

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        // 張棟僐乕僪傪偙偙偵捛壛偟傑偡:
        jTextArea1.setText("");
        if (this.jCheckBox1.isSelected()){
            jTextField1.setText("3");
            jTextField2.setText("300");
        }else{
            jTextField1.setText("");
            jTextField2.setText("");
        }
        this.jTextField3.setText("");
        this.jTextField4.setText("");
        this.jTextField5.setText("50000");
        this.jComboBox1.removeAllItems();
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
        // 張棟僐乕僪傪偙偙偵捛壛偟傑偡:
        // selected public key
        try{
            publickey = Integer.valueOf(jComboBox1.getSelectedItem().toString()).intValue();
        }catch(Exception e){
            jTextArea1.append("jComboBox1ItemStateChanged() : " + e.toString() + "\n");
            return;
        }
        try{
            maximum = Integer.valueOf(jTextField5.getText()).intValue();
        }catch(Exception e){
            jTextField5.setText("");
            jTextArea1.append("Must be a number value. \n");
            return;
        }
        //get private key
        for (int i=0;i<maximum;i++){
            if (this.isPrivateKey(p, q, publickey, i)){
                this.jTextField4.setText(i+"");