Hill加密算法Java实现，带图形化界面

package gui; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import java.awt.EventQueue; import java.awt.Font; import javax.swing.UIManager; import javax.swing.JTable; import javax.swing.JButton; import java.awt.event.ActionListener; import java.io.IOException; import java.awt.event.ActionEvent; import javax.swing.JTextArea; import javax.swing.JScrollPane; import en_decrypt.hill.Hill; import en_decrypt.hill.Matrix; import tools.Spectrum; import tools.Tools; public class HillGUI{ private JFrame frmHill; private JTextArea textArea_origin; private JTable table_KeyMatrix; private JTextArea textArea_result; private JTable table_KeyMatrixInverse; public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); //new HillGUI(); HillGUI window = new HillGUI(); window.frmHill.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } public HillGUI() {initialize();} /** * Initialize the contents of the frame. */ @SuppressWarnings("serial") private void initialize() { frmHill = new JFrame(); frmHill.setTitle(" Hill算法"); frmHill.setBounds(100, 60, 769, 640); frmHill.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frmHill.getContentPane().setLayout(null); JLabel label_textOrigin = new JLabel("明文/密文"); label_textOrigin.setFont(new Font("华文楷体", Font.PLAIN, 18)); label_textOrigin.setBounds(31, 30, 99, 31); frmHill.getContentPane().add(label_textOrigin); JScrollPane scrollPane_origin = new JScrollPane(); scrollPane_origin.setBounds(140, 30, 578, 110); frmHill.getContentPane().add(scrollPane_origin); textArea_origin = new JTextArea(); textArea_origin.setLineWrap(true); scrollPane_origin.setViewportView(textArea_origin); textArea_origin.setFont(new Font("华文楷体", Font.PLAIN, 18)); textArea_origin.setColumns(10); JLabel label_keyMatrix = new JLabel("密钥矩阵"); label_keyMatrix.setFont(new Font("华文楷体", Font.PLAIN, 18)); label_keyMatrix.setBounds(85, 189, 81, 61); frmHill.getContentPane().add(label_keyMatrix); table_KeyMatrix = new JTable(3, 3) { public void setValueAt(Object aValue, int rowIndex, int columnIndex) { try { if((String) aValue!="") Integer.parseInt((String) aValue); } catch (Exception ex) { JOptionPane.showMessageDialog(null, "只能输入数字!"); return; } super.setValueAt(aValue, rowIndex, columnIndex); }};// 设置表格为3行3列 table_KeyMatrix.setBorder(UIManager.getBorder("ComboBox.border")); table_KeyMatrix.setFont(new Font("宋体", Font.PLAIN, 18)); table_KeyMatrix.setBounds(278, 189, 120, 120); table_KeyMatrix.setRowHeight(40); table_KeyMatrix.setRowSelectionAllowed(false); frmHill.getContentPane().add(table_KeyMatrix); JLabel label_textResult = new JLabel("结果"); label_textResult.setFont(new Font("华文楷体", Font.PLAIN, 18)); label_textResult.setBounds(31, 422, 68, 31); frmHill.getContentPane().add(label_textResult); JScrollPane scrollPane_result = new JScrollPane(); scrollPane_result.setBounds(140, 421, 578, 110); frmHill.getContentPane().add(scrollPane_result); textArea_result = new JTextArea(); textArea_result.setLineWrap(true); scrollPane_result.setViewportView(textArea_result); textArea_result.setFont(new Font("华文楷体", Font.PLAIN, 18)); textArea_result.setColumns(10); JButton btn_encrypt = new JButton("加密"); btn_encrypt.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { //检验输入 String plainText = textArea_origin.getText(); if (plainText == null || plainText.trim().isEmpty()) { JOptionPane.showMessageDialog(null, "明文或密文不能为空", "错误", JOptionPane.ERROR_MESSAGE); return; } int[][] key = new int[3][3]; for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { String str = (String)table_KeyMatrix.getValueAt(i, j); if(str == null || str.trim().isEmpty()) { JOptionPane.showMessageDialog(null, "密钥矩阵填写有误", "错误", JOptionPane.ERROR_MESSAGE); return; } Integer integer = Integer.parseInt(str); key[i][j] = integer; } } if(new Matrix(key).getDet(key)!=1){ JOptionPane.showMessageDialog(null, "该密钥矩阵行列式的值不等于1，本程序不保证解密正确性。" + "建议使用随机密钥", "警告",JOptionPane.WARNING_MESSAGE); } // 执行算法 try { String result = Hill.encrypt(plainText, key); textArea_result.setText(result); } catch (IOException e1) { JOptionPane.showMessageDialog(null, "输入的密钥矩阵无法计算", "错误", JOptionPane.ERROR_MESSAGE); e1.printStackTrace(); } } }); btn_encrypt.setFont(new Font("华文楷体", Font.PLAIN, 18)); btn_encrypt.setBounds(224, 370, 97, 23); frmHill.getContentPane().add(btn_encrypt); JButton button_decrypt = new JButton("解密"); button_decrypt.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { //检验输入参数 String plainText = textArea_origin.getText(); if (plainText == null || plainText.trim().isEmpty()) { JOptionPane.showMessageDialog(null, "明文或密文不能为空", "错误", JOptionPane.ERROR_MESSAGE); return; } int[][] key = new int[3][3]; for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { String str = (String)table_KeyMatrix.getValueAt(i, j); if(str == null || str.trim().isEmpty()) { JOptionPane.showMessageDialog(null, "密钥矩阵填写有误", "错误", JOptionPane.ERROR_MESSAGE); return; } Integer integer = Integer.parseInt(str); key[i][j] = integer; } } if(new Matrix(key).getDet(key)!=1){ JOptionPane.showMessageDialog(null, "该密钥矩阵行列式的值不等于1，本程序不保证解密结果正确性", "警告",JOptionPane.WARNING_MESSAGE); } //执行算法 try { String result = Hill.decrypt(plainText, key); textArea_result.setText(result); } catch (IOException e1) { JOptionPane.showMessageDialog(null, "输入的密钥矩阵无法计算", "错误", JOptionPane.ERROR_MESSAGE); e1.printStackTrace(); } //****//显示密钥矩阵的逆矩阵 Integer[][] inverseMatrix = Tools.toIntegerArray(Hill.inverseMatrix); Character[] columnNames= {1,2,3}; if(table_KeyMatrixInverse != null) frmHill.getContentPane().remove(table_KeyMatrixInverse); table_KeyMatrixInverse = new JTable(inverseMatrix, columnNames); table_KeyMatrixInverse.setEnabled(false); table_KeyMatrixInverse.setBorder(UIManager.getBorder("ComboBox.border")); table_KeyMatrixInverse.setRowHeight(40); table_KeyMatrixInverse.getColumnModel().getColumn(0).setWidth(40); table_KeyMatrixInverse.getColumnModel().getColumn(1).setWidth(40); table_KeyMatrixInverse.getColumnModel().getColumn(2).setWidth(40); table_KeyMatrixInverse.setFont(new Font("宋体", Font.PLAIN, 18)); table_KeyMatrixInverse.setBounds(598, 189, 120, 120); frmHill.getContentPane().add(table_KeyMatrixInverse); frmHill.getContentPane().repaint(); //****// } }); button_decrypt.setFont(new Font("华文楷体", Font.PLAIN, 18)); button_decrypt.setBounds(534, 370, 97, 23); frmHill.getContentPane().add(button_decrypt); JButton btnClear = new JButton("清除"); btnClear.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textArea_origin.setText(""); textArea_result.setText(""); for(int i=0;i<3;i++) for(int j=0;j<3;j++) table_KeyMatrix.setValueAt("",i,j); if(table_KeyMatrixInverse!=null) frmHill.getCont