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SunJSSE Provider Class Test
How to test SunJSSE Provider Classes?
✍: FYIcenter.com
SunJSSE Provider Classes are hidden in some library files in JDK 9 and newer releases.
They were stored in jsse.jar JDK 8 and older releases.
The following sample program, SunJsseClassTest.java, shows you how to test SunJSSE Provider Classes:
// Copyright (c) FYIcenter.com import java.net.*; import java.io.*; import javax.net.ssl.*; public class SunJsseClassTest { public static void main(String[] args) throws Exception { System.out.println("JSSE provider name specified in ssl.ServerSocketFactory.provider:"); String provider = System.getProperty("ssl.ServerSocketFactory.provider"); System.out.println(" "+provider); System.out.println("Class names of default JSSE provider:"); SSLServerSocketFactory factory = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault(); SSLServerSocket socket = (SSLServerSocket)factory.createServerSocket(1443); System.out.println(" "+factory.getClass().getName()); System.out.println(" "+socket.getClass().getName()); socket.close(); System.out.println("Class names of SunJSSE provider:"); SSLContext context = SSLContext.getInstance("SSL", "SunJSSE"); context.init(null, null, null); factory = context.getServerSocketFactory(); socket = (SSLServerSocket)factory.createServerSocket(1443); System.out.println(" "+factory.getClass().getName()); System.out.println(" "+socket.getClass().getName()); socket.close(); } }
Run the above program, you will see:
fyicenter> java SunJsseClassTest.java JSSE provider name specified in ssl.ServerSocketFactory.provider: null Class names of default JSSE provider: sun.security.ssl.SSLServerSocketFactoryImpl sun.security.ssl.SSLServerSocketImpl Class names of SunJSSE provider: sun.security.ssl.SSLServerSocketFactoryImpl sun.security.ssl.SSLServerSocketImpl
The output confirms that SunJSSE classes are available. And they are used as the default provider for SSL protocol.
⇒ Downloading jsse.jar (JDK 8) Java Secure Socket Extension
2023-01-23, ∼825🔥, 1💬
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