置換加密算法

1、精選優(yōu)質(zhì)文檔-傾情為你奉上import java.awt.*;import javax.swing.*;import java.awt.event.*;public class MainFrame extends JFrame/置換加密算法private JPanel panel1 = null;private JPanel panel2 = null;private JPanel panel11 = null;private JPanel panel12 = null;private JPanel panel13 = null;private JPanel panel14 = null;pr

2、ivate JPanel panel15 = null;private JPanel panel21 = null;private JPanel panel22 = null;private JPanel panel23 = null;private JPanel panel24 = null;private JPanel panel25 = null;private JLabel label1 = null;private JLabel label2 = null;private JLabel label3 = null;private JLabel label4 = null;privat

3、e JLabel label5 = null;private JLabel label6 = null;private JLabel label7 = null;private JLabel label8 = null;private JButton button1=null;private JButton button2=null;private JButton button3=null;private JButton button4=null;private JTextArea ta1 = null;private JTextArea ta2 = null;private JTextAre

4、a ta3 = null;private JTextArea ta4 = null;private JTextField tf1 = null;private JTextField tf2 = null;private Container container;private String text=null; /用于明文private String key1=null; /用于密鑰1private String cipher=null; /用于密文private String key2=null; /用于密鑰2public MainFrame () container = this.getCo

5、ntentPane();label1=new JLabel("置換加密");label2=new JLabel("置換解密");label3=new JLabel("明文：");label4=new JLabel("密鑰：");label5=new JLabel("密文：");label6=new JLabel("密文：");label7=new JLabel("密鑰：");label8=new JLabel("明文：");button

6、1 = new JButton("加密");button2 = new JButton("清空");button3 = new JButton("解密");button4 = new JButton("清空");button1.addActionListener(new ActionLis();button2.addActionListener(new ActionLis();button3.addActionListener(new ActionLis();button4.addActionListener(ne

7、w ActionLis();ta1= new JTextArea(3, 15);ta2= new JTextArea(3, 15);ta3= new JTextArea("<顯示解密結(jié)果>",3, 15);ta4= new JTextArea("<顯示解密結(jié)果>",3, 15);ta3.setLineWrap(true);ta3.setLineWrap(true);tf1 = new JTextField(10);tf2 = new JTextField(10);panel1 = new JPanel();panel2 = new

8、 JPanel();panel11 = new JPanel();panel12 = new JPanel();panel13 = new JPanel();panel14 = new JPanel();panel15 = new JPanel();panel21 = new JPanel();panel22 = new JPanel();panel23 = new JPanel();panel24 = new JPanel();panel25 = new JPanel();panel11.add(label1);panel12.add(label3);panel12.add(ta1);pan

9、el13.add(label4);panel13.add(tf1);panel14.add(button1);panel14.add(button2);panel15.add(label5);panel15.add(ta3);panel1.add(panel11);panel1.add(panel12);panel1.add(panel13);panel1.add(panel14);panel1.add(panel15);panel21.add(label2);panel22.add(label6);panel22.add(ta2);panel23.add(label7);panel23.ad

10、d(tf2);panel24.add(button3);panel24.add(button4);panel25.add(label8);panel25.add(ta4);panel2.add(panel21);panel2.add(panel22);panel2.add(panel23);panel2.add(panel24);panel2.add(panel25);panel1.setLayout(new GridLayout(5, 1); panel2.setLayout(new GridLayout(5, 1); container.add(panel1);container.add(

11、panel2);container.setLayout(new GridLayout(1, 2); this.setTitle("置換加密解密"); this.setSize(600, 500); this.setVisible(true);class ActionLis implements ActionListener public void actionPerformed(ActionEvent e) if (e.getSource() = button1) text=ta1.getText(); key1=tf1.getText(); Crypt c =new Cr

12、ypt(text,key1); ta3.setText(c.getcrypt(); else if (e.getSource() = button2) ta1.setText(""); tf1.setText(""); ta3.setText(""); else if (e.getSource() = button3) cipher=ta2.getText(); key2=tf2.getText(); Decrypt d =new Decrypt(cipher,key2); ta4.setText(d.gettext(); else

13、ta2.setText(""); tf2.setText(""); ta4.setText(""); public static void main(String args) new MainFrame();加密public class Crypt private String text,key,ctext,otext;private int ctextl,keyl;private char ch1,ch3,ch4;private int in1;private char ch2;private int ch2r;public Cry

14、pt(String text,String key) this.text=text;this.key=key;String ctext=text.replaceAll(" ","");/消去明文中空格ch1=ctext.toCharArray();ctextl=ctext.length(); keyl=key.length();if(ctextl%keyl=0)/設(shè)置二維數(shù)組行大小ch2r=ctextl/keyl;elsech2r=ctextl/keyl+1; ch2=new charch2rkeyl;for(int i=0,j=0;i<ch2r;

15、i+ )/明文存入二維數(shù)組中for(int k=0;k<keyl && j<ctextl;k+)ch2ik=ch1j; j+;in1=new intkeyl;Keys x=new Keys(key);in1=x.getkey();ch4=new charch2r*keyl;/存儲輸出的字符數(shù)組for(int i=0,k=0;i<keyl;i+) for(int j=0;j<ch2r && k<(ch2r*keyl);j+) ch4k=ch2jin1i; k+; otext=String.valueOf(ch4);String get

16、crypt()return otext;解密public class Decrypt private String cipher,key,otext;private int cipherl,keyl;private char ch1,ch3,ch4;private char ch2;private int ch2r;private int in;public Decrypt(String cipher,String key) this.cipher=cipher;this.key=key;cipherl=cipher.length();keyl=key.length();ch1=cipher.

17、toCharArray();if(cipherl%keyl=0)/設(shè)置二維數(shù)組行大小ch2r=cipherl/keyl;elsech2r=cipherl/keyl+1; in=new intkeyl;Keys x=new Keys(key);in=x.getkey();/*ch3=key.toCharArray();for(int i=0;i<keyl;i+) ini=Integer.parseInt(String.valueOf(ch3i);*/ch2=new charch2rkeyl;for(int i=0,k=0;i<keyl;i+) for(int j=0;j<ch2

18、r && k<cipherl;j+) ch2jini=ch1k; k+; ch4=new charch2r*keyl;for(int i=0,k=0;i<ch2r;i+) for(int j=0;j<keyl && k<(ch2r*keyl);j+) ch4k=ch2ij; k+; otext=String.valueOf(ch4);String gettext()return otext;public class Keys private String key;private char ch1,ch2;private int in;private int keyl;public Keys(String key) ch1=key.toCharArray();ch2=key.toCharArray();keyl=key.length();in=new intkeyl; char temp ;for(int i=0;i<keyl-1;i+) int k=i; for(int j=i+1;j<keyl;j+) if( ch