mythread1.java

应用公钥加密体制的代表算法RSA 应用对称加密算法DES 应用散列算法MD5计算消息摘要 数字签名并验证

/*
 * mythread1.java
 *
 * Created on 2007年12月4日, 下午6:57
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package b;

import java.net.*;
import java.io.*;
import javax.swing.JOptionPane;
import java.awt.*;
/**
 *
 * @author guowen
 */
public class mythread1 extends Thread {
    
   
    public mythread1() {
    }
    
    public  void run(){
       try{
           ServerSocket ss=new ServerSocket(6123);
           Socket s=ss.accept();
           InputStream ips=s.getInputStream();
           OutputStream ops=s.getOutputStream();
           
           int num=ips.available();
           byte[] buf=new byte[num];
           int len=ips.read(buf);
           
           FileOutputStream fos=new FileOutputStream("RSA_ENCRYPT.txt");
           fos.write(buf,0,len);
           JOptionPane.showMessageDialog(new Frame(),"注意查收文件!!");
           fos.close();
           ops.close();
           ips.close();
         
       }catch(Exception e){
           System.out.println(e);
       }
        
    }
}