System.out.println("等待客户端连接...");

File keyFile=new File("C:/Users/mu/Desktop/mu.p12");

InputStream stream=new FileInputStream(keyFile);

char[] password="123456".toCharArray();

//KeyStore用于存放证书，创建对象时 指定交换数字证书的加密标准

KeyStore keyStore=KeyStore.getInstance("pkcs12"); //KeyStore.getInstance(KeyStore.getDefaultType());

keyStore.load(stream, password);

stream.close();

//KeyManager选择证书证明自己的身份

KeyManagerFactory keyManagerFactory=KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());

keyManagerFactory.init(keyStore,password);

KeyManager[] keyManagers=keyManagerFactory.getKeyManagers();

//TrustManager决定是否信任对方的证书

TrustManagerFactory trustManagerFactory=TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

trustManagerFactory.init(keyStore);

TrustManager[] trustManagers=trustManagerFactory.getTrustManagers();

SSLContext context=SSLContext.getInstance("SSL");

context.init(keyManagers, trustManagers, null);

SSLServerSocketFactory factory=context.getServerSocketFactory();

SSLServerSocket serverSocket=(SSLServerSocket)factory.createServerSocket(3344);

SSLSocket socket=(SSLSocket)serverSocket.accept();

System.out.println("有客户端连接");

System.out.println("向客户端输出信息");

OutputStream outputStream=socket.getOutputStream();

BufferedWriter writer=new BufferedWriter(new OutputStreamWriter(outputStream));

writer.write("hello world\r\n");

writer.write("\r\n");

writer.flush();

System.out.println("输出结束");

socket.close();

serverSocket.close();

System.out.println("准备连接服务端");

File keyFile=new File("C:/Users/mu/Desktop/mu.p12");

InputStream stream=new FileInputStream(keyFile);

char[] password="123456".toCharArray();

//指定交换数字证书的加密标准

KeyStore keyStore= KeyStore.getInstance("pkcs12");//KeyStore.getInstance(KeyStore.getDefaultType());

keyStore.load(stream, password);

stream.close();

//TrustManager决定是否信任对方的证书

TrustManagerFactory trustManagerFactory=TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

trustManagerFactory.init(keyStore);

TrustManager[] trustManagers=trustManagerFactory.getTrustManagers();

SSLContext context=SSLContext.getInstance("SSL");

context.init(null, trustManagers, null);

SSLSocketFactory factory=context.getSocketFactory();

SSLSocket socket=(SSLSocket) factory.createSocket("localhost", 3344);

InputStream inputStream=socket.getInputStream();

BufferedReader reader=new BufferedReader(new InputStreamReader(inputStream));

String str=null;

while ((str=reader.readLine())!=null) {

    if(str.equals(""))

        break;

    System.out.println(str);

}

socket.close();