/*
 * Copyright 2005-2007 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/**
 * @see IsSunMSCAPIAvailable.sh
 */

import java.security.Provider;
import java.security.*;
import javax.crypto.Cipher;

public class IsSunMSCAPIAvailable {

    public static void main(String[] args) throws Exception {

        // Check if the provider is available
        try {
            Class.forName("sun.security.mscapi.SunMSCAPI");

        } catch (Exception e) {
            System.out.println(
                "The SunMSCAPI provider is not available on this platform");
            return;
        }

        // Dynamically register the SunMSCAPI provider
        Security.addProvider(new sun.security.mscapi.SunMSCAPI());


        Provider p = Security.getProvider("SunMSCAPI");

        System.out.println("SunMSCAPI provider classname is " +
            p.getClass().getName());
        System.out.println("SunMSCAPI provider name is " + p.getName());
        System.out.println("SunMSCAPI provider version # is " + p.getVersion());
        System.out.println("SunMSCAPI provider info is " + p.getInfo());

        /*
         * Secure Random
         */

        SecureRandom random = SecureRandom.getInstance("Windows-PRNG", p);
        System.out.println("    Windows-PRNG is implemented by: " +
            random.getClass().getName());

        /*
         * Key Store
         */
        KeyStore keystore = KeyStore.getInstance("Windows-MY", p);
        System.out.println("    Windows-MY is implemented by: " +
            keystore.getClass().getName());

        keystore = KeyStore.getInstance("Windows-ROOT", p);
        System.out.println("    Windows-ROOT is implemented by: " +
            keystore.getClass().getName());

        /*
         * Signature
         */
        Signature signature = Signature.getInstance("SHA1withRSA", p);
        System.out.println("    SHA1withRSA is implemented by: " +
            signature.getClass().getName());

        signature = Signature.getInstance("MD5withRSA", p);
        System.out.println("    MD5withRSA is implemented by: " +
            signature.getClass().getName());

        signature = Signature.getInstance("MD2withRSA", p);
        System.out.println("    MD2withRSA is implemented by: " +
            signature.getClass().getName());

        /*
         * Key Pair Generator
         */
        KeyPairGenerator keypairGenerator =
            KeyPairGenerator.getInstance("RSA", p);
        System.out.println("    RSA is implemented by: " +
            keypairGenerator.getClass().getName());

        /*
         * Cipher
         */
        Cipher cipher = null;

        try {
            cipher = Cipher.getInstance("RSA", p);
            System.out.println("    RSA is implemented by: " +
                cipher.getClass().getName());

            cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding", p);
            System.out.println("    RSA/ECB/PKCS1Padding is implemented by: " +
                cipher.getClass().getName());

        } catch (GeneralSecurityException e) {
            System.out.println("Cipher not supported by provider, skipping...");
        }
    }
}