======Java中的SSL通信初步（1）======

来源：互联网发布：载软件.net framework 编辑：程序博客网时间：2024/04/26 05:04

package com.panpass.main;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.UnknownHostException;import javax.net.ssl.HandshakeCompletedEvent;import javax.net.ssl.HandshakeCompletedListener;import javax.net.ssl.SSLSocket;import javax.net.ssl.SSLSocketFactory;//http://blog.csdn.net/eclipsexys/article/details/44495285  LruCache/** * 客户端程序 * @author Administrator */public class HttpsClientTest {private String host = "www.usps.com";private int port = 443;private SSLSocketFactory sslSocketFactory = null;private SSLSocket sslSocket = null;public HttpsClientTest() throws UnknownHostException, IOException {super();sslSocketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();long sslStartTime = System.currentTimeMillis();sslSocket = (SSLSocket) sslSocketFactory.createSocket(host,port);long sslEndTime = System.currentTimeMillis();System.out.println("SSL 通信所用时间为："+(sslEndTime-sslStartTime)+"ms");sslSocket.setEnabledCipherSuites(sslSocket.getEnabledCipherSuites());sslSocket.addHandshakeCompletedListener(new HandshakeCompletedListener() {@Overridepublic void handshakeCompleted(HandshakeCompletedEvent event) {System.out.println("SSL 握手结束");System.out.println("加密套件为："+event.getCipherSuite());System.out.println("会话为："+event.getSession());System.out.println("通信对方为："+event.getSession().getPeerHost()+"端口号："+event.getSession().getPeerPort());}});}public void communicate() throws IOException {StringBuffer sb = new StringBuffer("GET http://"+host+"/HTTP/1.1\r\n");sb.append("Host:"+host+"\r\n");sb.append("Accept: */*\r\n");sb.append("\r\n");// 发出Http请求OutputStream os = sslSocket.getOutputStream();os.write(sb.toString().getBytes());   // 接受响应InputStream is = sslSocket.getInputStream();ByteArrayOutputStream abos = new ByteArrayOutputStream();byte[] bytes = new byte[1024];int len = -1;while ((len = is.read(bytes))!= -1) {abos.write(bytes, 0, len);}System.out.println(new String(abos.toByteArray()));sslSocket.close();}public static void main(String[] args) throws UnknownHostException, IOException {new HttpsClientTest().communicate();}}

输出结果：

SSL 通信所用时间为：364ms
SSL 握手结束
加密套件为：TLS_RSA_WITH_AES_128_CBC_SHA
会话为：[Session-1, TLS_RSA_WITH_AES_128_CBC_SHA]
通信对方为：www.usps.com端口号：443
HTTP/1.0 400 Bad Request
Server: AkamaiGHost
Mime-Version: 1.0
Content-Type: text/html
Content-Length: 216
Expires: Thu, 26 Mar 2015 04:08:58 GMT
Date: Thu, 26 Mar 2015 04:08:58 GMT
Connection: close

<HTML><HEAD>
<TITLE>Bad Request</TITLE>
</HEAD><BODY>
<H1>Bad Request</H1>
Your browser sent a request that this server could not understand.<P>
Reference #7.9a5732b8.1427342938.0
</BODY>
</HTML>

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