mainframe.java~285~

DES加密算法实例1

package des;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.lang.String;
import com.borland.jbcl.layout.*;


/**
 * <p>Title: DES</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: ShiJiajia</p>
 * @author not attributable
 * @version 1.0
 */


public class MainFrame extends JFrame {
  JPanel contentPane;
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JLabel jLabel2 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JButton jButton3 = new JButton();
  JScrollPane jScrollPane1 = new JScrollPane();
  JScrollPane jScrollPane2 = new JScrollPane();
  JTextArea jTextArea1 = new JTextArea();
  JTextArea jTextArea2 = new JTextArea();

int [][] s1={{14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7},
              {0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8},
              {4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0},
              {15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13}};

int [][] s2={{15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10},
              {3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5},
              {0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15},
              {13,8,10,1,3,15,4,2,11,6,7,12,0,5,14,9}};

int [][] s3={{10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8},
              {13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1},
              {13,6,4,9,8,15,3,0,11,1,2,12,5,10,14,7},
              {1,10,13,0,6,9,8,7,4,15,14,3,11,5,2,12}};

int [][] s4={{7,13,14,3,0,6,9,10,1,2,8,5,11,12,4,15},
              {13,8,11,5,6,15,0,3,4,7,2,12,1,10,14,9},
              {10,6,9,0,12,11,7,13,15,1,3,14,5,2,8,4},
              {3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14}};

int [][] s5={{2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9},
              {14,11,2,12,4,7,13,1,5,0,15,10,3,9,8,6},
              {4,2,1,11,10,13,7,8,15,9,12,5,6,3,0,14},
              {11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3}};

int [][] s6={{12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11},
              {10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8},
              {9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6},
              {4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13}};

int [][] s7={{4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1},
              {13,0,11,7,4,9,1,10,13,3,5,12,2,15,8,6},
              {1,4,11,13,12,3,7,14,10,15,6,8,0,5,9,2},
              {6,11,13,8,1,4,10,7,9,5,0,15,14,2,3,12}};

int [][] s8={{13,2,8,4,6,15,11,1,10,9,3,14,5,0,12,7},
              {1,15,13,8,10,3,7,4,12,5,6,11,0,14,9,2},
              {7,11,4,1,9,12,14,2,0,6,10,13,15,3,5,8},
              {2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11}};


String keyword="";
String c0="",d0="";
String cn="",dn="";
String cd="";
//char key[][]=new char[16][48];
String key[]=new String[16];
  JButton jButton4 = new JButton();


  //Construct the frame
  public MainFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 20));
    jLabel1.setDebugGraphicsOptions(0);
    jLabel1.setText("DES加密系统");
    contentPane.setLayout(xYLayout1);
    this.setLocale(java.util.Locale.getDefault());
    this.setSize(new Dimension(400, 300));
    this.setTitle("DES加密");
    jTextField1.setBackground(Color.white);
    jTextField1.setMinimumSize(new Dimension(4, 22));
    jTextField1.setToolTipText("");
    jTextField1.setVerifyInputWhenFocusTarget(true);
    jTextField1.setMargin(new Insets(0, 0, 0, 0));
    jTextField1.setSelectionEnd(0);
    jTextField1.setText("");
    jTextField1.setColumns(0);
    jTextField1.setScrollOffset(0);
    jTextField1.addKeyListener(new MainFrame_jTextField1_keyAdapter(this));
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("请输入密钥：");
    contentPane.setMaximumSize(new Dimension(2147483647, 2147483647));
    contentPane.setMinimumSize(new Dimension(316, 200));
    contentPane.setPreferredSize(new Dimension(366, 300));
    contentPane.setRequestFocusEnabled(true);
    contentPane.setToolTipText("");
    jButton1.setFont(new java.awt.Font("Dialog", 0, 13));
    jButton1.setText("清除秘钥");
    jButton1.addActionListener(new MainFrame_jButton1_actionAdapter(this));
    jButton2.setEnabled(true);
    jButton2.setFont(new java.awt.Font("Dialog", 0, 12));
    jButton2.setText("生成加密密钥");
    jButton2.addActionListener(new MainFrame_jButton2_actionAdapter(this));
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 14));
    jLabel3.setText("原文:");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 14));
    jLabel4.setText("结果:");
    jButton3.setEnabled(true);
    jButton3.setFont(new java.awt.Font("Dialog", 0, 12));
    jButton3.setFocusPainted(true);
    jButton3.setText("生成解密密匙");
    jButton3.addActionListener(new MainFrame_jButton3_actionAdapter(this));
    jTextArea1.setText("");
    jTextArea1.setLineWrap(true);
    jTextArea2.setLineWrap(true);
    jButton4.setFont(new java.awt.Font("Dialog", 0, 14));
    jButton4.setText("加/解  密");
    jButton4.addActionListener(new MainFrame_jButton4_actionAdapter(this));
    contentPane.add(jLabel2, new XYConstraints(37, 52, 97, -1));
    contentPane.add(jLabel1, new XYConstraints(132, 11, 148, -1));
    contentPane.add(jTextField1, new XYConstraints(142, 51, 100, 24));
    contentPane.add(jLabel4, new XYConstraints(15, 198, 41, 30));
    contentPane.add(jLabel3, new XYConstraints(14, 136, 42, 33));
    contentPane.add(jScrollPane2,      new XYConstraints(64, 194, 295, 49));
    jScrollPane2.getViewport().add(jTextArea2, null);
    contentPane.add(jScrollPane1, new XYConstraints(65, 135, 294, 49));
    contentPane.add(jButton1, new XYConstraints(260, 47, -1, 27));
    contentPane.add(jButton2,  new XYConstraints(12, 90, 109, 23));
    contentPane.add(jButton3, new XYConstraints(128, 89, 109, 23));
    contentPane.add(jButton4,    new XYConstraints(250, 88, 104, 23));
    jScrollPane1.getViewport().add(jTextArea1, null);
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void jTextField1_keyPressed(KeyEvent e) {

if (this.jTextField1.getText().length()>=8)
{this.jTextField1.setEditable(false);}
  }

  void jButton1_actionPerformed(ActionEvent e) {
this.jTextField1.setEditable(true);
this.jTextField1.setText("");

  }

  void jButton2_actionPerformed(ActionEvent e) {

for(int nw=0;nw<=7;nw++)
{int n=(byte)(this.jTextField1.getText().charAt(nw));
String str="";
int temp;
while(n>0)
{temp=n%2;
if (temp==0){str="0"+str;}
else{str="1"+str;}
n=(n-temp)/2;
}

while(str.length()<8){str="0"+str;}

for(int wn=0;wn<=7;wn++){keyword=keyword+str.charAt(wn);}

//System.out.println(str);
//System.out.println(keyword);
}

keyword="0"+keyword;
//System.out.println(keyword);

c0=c0+keyword.charAt(57)+keyword.charAt(49)+keyword.charAt(41)+keyword.charAt(33)+keyword.charAt(25)+keyword.charAt(17)+keyword.charAt(9)+
      keyword.charAt(1)+keyword.charAt(58)+keyword.charAt(50)+keyword.charAt(42)+keyword.charAt(34)+keyword.charAt(26)+keyword.charAt(18)+
      keyword.charAt(10)+keyword.charAt(2)+keyword.charAt(59)+keyword.charAt(51)+keyword.charAt(43)+keyword.charAt(35)+keyword.charAt(27)+
      keyword.charAt(19)+keyword.charAt(11)+keyword.charAt(3)+keyword.charAt(60)+keyword.charAt(52)+keyword.charAt(44)+keyword.charAt(36);

d0=d0+keyword.charAt(63)+keyword.charAt(55)+keyword.charAt(47)+keyword.charAt(39)+keyword.charAt(31)+keyword.charAt(23)+keyword.charAt(15)+
      keyword.charAt(7)+keyword.charAt(62)+keyword.charAt(54)+keyword.charAt(46)+keyword.charAt(38)+keyword.charAt(30)+keyword.charAt(22)+
      keyword.charAt(14)+keyword.charAt(6)+keyword.charAt(61)+keyword.charAt(53)+keyword.charAt(45)+keyword.charAt(37)+keyword.charAt(29)+
      keyword.charAt(21)+keyword.charAt(13)+keyword.charAt(5)+keyword.charAt(28)+keyword.charAt(20)+keyword.charAt(12)+keyword.charAt(4);

//System.out.println("c0 is "+c0);
//System.out.println("d0 is "+d0);
//System.out.println("");

for(int n=1;n<=16;n++)
  {
  switch(n){
  case 1:case 2:case 9:case 16:
  {cn=c0.substring(1)+c0.charAt(0);
   dn=d0.substring(1)+d0.charAt(0);
//   System.out.println("cn is "+cn);
//   System.out.println("dn is "+dn);
   c0=cn;
   d0=dn;
  break;}
  default:{
    cn=c0.substring(2)+c0.charAt(0)+c0.charAt(1);
    dn=d0.substring(2)+d0.charAt(0)+c0.charAt(1);
//    System.out.println("cn is "+cn);
//    System.out.println("dn is "+dn);

  }}
cd=cn.concat(dn);
cd="0"+cd;
//System.out.println(cd);
/////////////////////////////////
keyword="";
keyword=keyword+
cd.charAt(14)+cd.charAt(17)+cd.charAt(11)+cd.charAt(24)+cd.charAt(1)+cd.charAt(5)+cd.charAt(3)+cd.charAt(28)+
cd.charAt(15)+cd.charAt(6)+cd.charAt(21)+cd.charAt(10)+cd.charAt(23)+cd.charAt(19)+cd.charAt(12)+cd.charAt(4)+
cd.charAt(26)+cd.charAt(8)+cd.charAt(16)+cd.charAt(7)+cd.charAt(27)+cd.charAt(20)+cd.charAt(13)+cd.charAt(2)+
cd.charAt(41)+cd.charAt(52)+cd.charAt(31)+cd.charAt(37)+cd.charAt(47)+cd.charAt(55)+cd.charAt(30)+cd.charAt(40)+
cd.charAt(51)+cd.charAt(45)+cd.charAt(33)+cd.charAt(48)+cd.charAt(44)+cd.charAt(49)+cd.charAt(39)+cd.charAt(56)+
cd.charAt(34)+cd.charAt(53)+cd.charAt(46)+cd.charAt(42)+cd.charAt(50)+cd.charAt(36)+cd.charAt(29)+cd.charAt(32);
key[n-1]=keyword;
//System.out.println("keyword is "+keyword);
System.out.println("key"+n+" is "+key[n-1]);
/////////////////////////////////
c0=cn;
d0=dn;
  }

}

  void jButton3_actionPerformed(ActionEvent e) {

String s="000011110100000000000001010000100001001111101001";
String rs="";
for(int n=1;n<=8;n++)
    {String sw="";
      switch  (n)
      { case 1: {sw=sw+s.substring(0,6); break;}
       case 2: {sw=sw+s.substring(6,12); break;}
       case 3: {sw=sw+s.substring(12,18); break;}
       case 4: {sw=sw+s.substring(18,24); break;}
       case 5: {sw=sw+s.substring(24,30); break;}
       case 6: {sw=sw+s.substring(30,36); break;}
       case 7: {sw=sw+s.substring(36,42); break;}
       case 8: {sw=sw+s.substring(42,48); break;}
      }
//      System.out.println(sw);
int a=0,b=0,c=0;
    if((sw.charAt(0)=='0')&&(sw.charAt(5)=='0')) {a=0;}
    if((sw.charAt(0)=='0')&&(sw.charAt(5)=='1')) {a=1;}
    if((sw.charAt(0)=='1')&&(sw.charAt(5)=='0')) {a=2;}
    if((sw.charAt(0)=='1')&&(sw.charAt(5)=='1')) {a=3;}

    if(sw.charAt(1)=='1'){b=b+8;}
    if(sw.charAt(2)=='1'){b=b+4;}
    if(sw.charAt(3)=='1'){b=b+2;}
    if(sw.charAt(4)=='1'){b=b+1;}
//System.out.println("a="+a+" b="+b);
    switch(n)
    { case 1:{c=s1[a][b];break;}
      case 2:{c=s2[a][b];break;}
      case 3:{c=s3[a][b];break;}
      case 4:{c=s4[a][b];break;}
      case 5:{c=s5[a][b];break;}
      case 6:{c=s6[a][b];break;}
      case 7:{c=s7[a][b];break;}
      case 8:{c=s8[a][b];break;}
    }
//System.out.println(n+": c="+c);
    switch (c)
    {
    case  0:{rs=rs+"0000";break;}
    case  1:{rs=rs+"0001";break;}