secureechoserver.java

java应用开发详解

import java.net.*;
import java.io.*;
import java.util.*;
import java.security.*;
import javax.net.*;
import javax.net.ssl.*;

public class SecureEchoServer extends EchoServerBase 
{   
    
    public static void main(String[] args) throws IOException 
    {	
        (new SecureEchoServer()).go();
    }
    
    public  ServerSocket getServerSocket()
    {
    	SSLServerSocket  serverSocket = null;
    	
    	try 
        {
            String KEYSTORE = "sslkeystore";
 	    char[] KEYSTOREPW = "12345678".toCharArray();
 	    char[] KEYPW = "ssltest".toCharArray();
 
   	    KeyStore keystore = KeyStore.getInstance("JKS");
  	    keystore.load(new FileInputStream(KEYSTORE), KEYSTOREPW);
  
  	    KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
  	    kmf.init(keystore, KEYPW);

  	    SSLContext sslc = SSLContext.getInstance("SSLv3");

  	    sslc.init(kmf.getKeyManagers(), null, null);
     	    ServerSocketFactory ssf = sslc.getServerSocketFactory();   
      
      
        
      	    serverSocket =(SSLServerSocket)ssf.createServerSocket(1111);
      	    System.out.println("ssl Echo server start at 1111");

        } 
        catch (Exception e) 
        {
            System.err.println("Could not listen on port: 1111.");
            System.exit(1);
        } 
        
        return serverSocket;
        
    }
}