Merge pull request #23 from cconlon/ProviderTest

add example app to see installed Security Providers

README

@@ -20,6 +20,7 @@ Release X.X.X has bug fixes and new features including:
 - New JSSE provider (wolfJSSE) including TLS 1.3 support!
 - Add JSSE debug logging with wolfjsse.debug system parameter
 - Add JSSE install script and helper files for Android AOSP
+- Add JSSE example apps (examples/provider)
 - Add JNI wrappers to detect if native features/protocols are compiled in
 - Add JNI wrapper for PKCS#8 offset getter
 - Add JNI wrapper for wolfSSL_get_ciphers_iana()

examples/provider/ProviderTest.java

@@ -0,0 +1,124 @@
+/* ProviderTest.java
+ *
+ * Copyright (C) 2006-2020 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+import java.security.NoSuchAlgorithmException;
+import java.security.Provider;
+import java.security.Security;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.net.ssl.SSLContext;
+
+/**
+ * This class tests the wolfSSL provider installation.  It lists all providers
+ * installed on the system, tries to look up the wolfSSL provider, and if
+ * found, prints out the information about the wolfSSL provider.
+ * Finally, it tests what provider is registered to provide TLS to Java.
+ *
+ * This app can be useful for testing if wolfJSSE has been installed
+ * correctly at the system level.
+ */
+public class ProviderTest {
+
+    public static void main(String args [])
+    {
+        /* Get all providers */
+        Provider [] providers = Security.getProviders();
+
+        System.out.println("\nAll Installed Java Security Providers:");
+        System.out.println("---------------------------------------\n");
+        for(Provider prov:providers)
+        {
+            System.out.println(prov);
+        }
+
+        /* Test if wolfSSL is a Provider */
+        System.out.println("\nInfo about wolfSSL Provider (wolfJSSE):");
+        System.out.println("----------------------------------------\n");
+        Provider p = Security.getProvider("wolfJSSE");
+        if (p == null) {
+            System.out.println("No wolfJSSE provider registered in system");
+        } else {
+            System.out.println("Provider:");
+            System.out.println(p);
+            System.out.println("Info:");
+            System.out.println(p.getInfo());
+            System.out.println("Services:");
+            System.out.println(p.getServices());
+            System.out.println("Version:");
+            System.out.println(p.getVersion());
+        }
+
+        /* Test which Provider provides TLS versions */
+        System.out.println("\nWhat Provider is providing TLS?");
+        System.out.println("--------------------------------\n");
+        try {
+            /* TLS default */
+            SSLContext s = SSLContext.getInstance("TLS");
+            Provider prov = s.getProvider();
+            System.out.println("SSLContext TLS Provider = " + prov);
+        } catch (NoSuchAlgorithmException ex) {
+            Logger.getLogger(ProviderTest.class.getName()).log(Level.SEVERE,
+                             null, ex);
+        }
+
+        try {
+            /* TLS 1.0 - NOTE: compiled out by default in native wolfSSL */
+            SSLContext s = SSLContext.getInstance("TLSv1");
+            Provider prov = s.getProvider();
+            System.out.println("SSLContext TLSv1 Provider = " + prov);
+        } catch (NoSuchAlgorithmException ex) {
+            Logger.getLogger(ProviderTest.class.getName()).log(Level.SEVERE,
+                             null, ex);
+        }
+
+        try {
+            /* TLS 1.1 */
+            SSLContext s = SSLContext.getInstance("TLSv1.1");
+            Provider prov = s.getProvider();
+            System.out.println("SSLContext TLSv1.1 Provider = " + prov);
+        } catch (NoSuchAlgorithmException ex) {
+            Logger.getLogger(ProviderTest.class.getName()).log(Level.SEVERE,
+                             null, ex);
+        }
+
+        try {
+            /* TLS 1.2 */
+            SSLContext s = SSLContext.getInstance("TLSv1.2");
+            Provider prov = s.getProvider();
+            System.out.println("SSLContext TLSv1.2 Provider = " + prov);
+        } catch (NoSuchAlgorithmException ex) {
+            Logger.getLogger(ProviderTest.class.getName()).log(Level.SEVERE,
+                             null, ex);
+        }
+
+        try {
+            /* TLS 1.3 */
+            SSLContext s = SSLContext.getInstance("TLSv1.3");
+            Provider prov = s.getProvider();
+            System.out.println("SSLContext TLSv1.3 Provider = " + prov);
+
+        } catch (NoSuchAlgorithmException ex) {
+            Logger.getLogger(ProviderTest.class.getName()).log(Level.SEVERE,
+                             null, ex);
+        }
+    }
+}
+