单向验证,客户机只验证服务器的证书,服务器不验证客户机的证书。所以只需要生成服务器端的keystore.
1. 以jks格式生成服务器端包含Public key和Private Key的keystore文件,keypass与storepass务必要一样,因为在tomcat server.xml中只配置一个password.
keytool -genkey -alias server -keystore serverKeystore.jks -keypass 123456 -storepass 123456 -keyalg RSA -keysize 512 -validity 365 -v -dname "CN = W03GCA01A,O = ABC BANK,DC = Server Https,DC = ABC,OU = Firefly Technology And Operation"
2. 从keystore中导出别名为server的服务端证书.
keytool -export -alias server -keystore serverKeystore.jks -storepass 123456 -file server.cer
3. 将server.cer导入客户端的信任证书库clientTruststore.jks。
keytool -import -alias trustServer -file server.cer -keystore clientTruststore.jks -storepass 123456
服务器端: serverKeystore.jks
客户端: clientTruststore.jks
4. 在tomcat 配置server.xml
- <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
- maxThreads="150" scheme="https" secure="true"
- clientAuth="false" sslProtocol="TLS"
- keystoreFile="keystore/serverKeystore.jks" keystorePass="123456" />
5. 客户端代码
- /**
- *
- */
- package com.ssl.http;
- import java.io.File;
- import java.io.FileInputStream;
- import java.security.KeyStore;
- import org.apache.http.HttpEntity;
- import org.apache.http.HttpResponse;
- import org.apache.http.client.methods.HttpGet;
- import org.apache.http.conn.scheme.Scheme;
- import org.apache.http.conn.ssl.SSLSocketFactory;
- import org.apache.http.impl.client.DefaultHttpClient;
- /**
- *
- * @author kevin
- *
- */
- public class ClientOneWaySSL {
- public final static void main(String[] args) throws Exception {
- DefaultHttpClient httpclient = new DefaultHttpClient();
- KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
- FileInputStream instream = new FileInputStream(new File("com/ssl/http/clientTruststore.jks"));
- try {
- trustStore.load(instream, "123456".toCharArray());
- } finally {
- instream.close();
- }
- SSLSocketFactory socketFactory = new SSLSocketFactory(trustStore);
- Scheme sch = new Scheme("https", socketFactory, 8443);
- httpclient.getConnectionManager().getSchemeRegistry().register(sch);
- HttpGet httpget = new HttpGet("https://w03gca01a/");
- System.out.println("executing request" + httpget.getRequestLine());
- HttpResponse response = httpclient.execute(httpget);
- HttpEntity entity = response.getEntity();
- System.out.println("----------------------------------------");
- System.out.println(response.getStatusLine());
- if (entity != null) {
- System.out.println("Response content length: " + entity.getContentLength());
- }
- if (entity != null) {
- entity.consumeContent();
- }
- // When HttpClient instance is no longer needed,
- // shut down the connection manager to ensure
- // immediate deallocation of all system resources
- httpclient.getConnectionManager().shutdown();
- }
- }
6. 运行成功打印如下:
- executing requestGET https://w03gca01a/ HTTP/1.1
- ----------------------------------------
- HTTP/1.1 200 OK
- Response content length: 7347
备注:
A. 如出现如下error,请配置C:\WINDOWS\system32\drivers\etc\hosts, 将“127.0.0.1 w03gca01a” 加在hosts文件中
- executing requestGET https://w03gca01a/ HTTP/1.1
- Exception in thread "main" javax.net.ssl.SSLException: hostname in certificate didn't match: <w03gca01a> != <localhost>
- at org.apache.http.conn.ssl.AbstractVerifier.verify(AbstractVerifier.java:220)
- at org.apache.http.conn.ssl.BrowserCompatHostnameVerifier.verify(BrowserCompatHostnameVerifier.java:54)
B. 本文用到 httpcore-4.0.1.jar httpclient-4.0.1.jar httpmime-4.0.1.jar,下载地址:
http://hc.apache.org/downloads.cgi