simpleserver.java.bak

ssl证书的源代码,学习SSL的好东西啊!

import java.io.*;
import java.net.*;
import java.security.KeyStore;
import javax.net.*;
import javax.net.ssl.*;
import javax.security.cert.X509Certificate;

public class SimpleServer {

    public static void main(String args[])
    {
        
        int port = Integer.parseInt(args[0]);
        String passphrase = args[1];

        ServerSocket s;
        Socket c;
        System.out.println("USAGE: java SimpleServer port passphrase");

        try {
            System.out.println("creating socket...");
            ServerSocketFactory ssf =
		           SimpleServer.getServerSocketFactory(passphrase);
	      s = ssf.createServerSocket(port);
            System.out.println("waiting for connection...");           
            c = s.accept();

            
	      PrintWriter out = new PrintWriter(
				  new BufferedWriter(
				  new OutputStreamWriter(
     				  c.getOutputStream())));

	      BufferedReader in =
		    new BufferedReader(
			new InputStreamReader(c.getInputStream()));


                // echo messages from the client 
           System.out.println("start echo ...");
                
                String line;
	          while ((line = in.readLine()) != null){
		       System.out.println("Msg from client is: " + line);
                   out.println(line);
                   out.flush();
                }

           System.out.println("done...");
        } catch (IOException e) {
                System.out.println("SimpleServer died: " + e.getMessage());
	          e.printStackTrace();
        }
   }

   private static ServerSocketFactory getServerSocketFactory(String passwd) {
	    SSLServerSocketFactory ssf = null;
	    try {
		// set up key manager to do server authentication
		SSLContext ctx;
		KeyManagerFactory kmf;
		KeyStore ks;
		char[] passphrase = passwd.toCharArray();

		ctx = SSLContext.getInstance("TLS");
		kmf = KeyManagerFactory.getInstance("SunX509");
		ks = KeyStore.getInstance("JKS");

//		ks.load(new FileInputStream("wahabPrivateStore"), passphrase);
		ks.load(new FileInputStream("serverkeys"), passphrase);
		kmf.init(ks, passphrase);
		ctx.init(kmf.getKeyManagers(), null, null);

		ssf = ctx.getServerSocketFactory();
		return ssf;
	    } catch (Exception e) {
		e.printStackTrace();
	    }
	
	   return null;
  }

}