/*

 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 6572331 6994008

 * @summary basic test for RSA cipher key wrapping functionality

 * @author Valerie Peng

 * @modules jdk.crypto.cryptoki

 * @run main/othervm TestRSACipherWrap

 * @run main/othervm TestRSACipherWrap sm

 */

import java.security.GeneralSecurityException;

import java.security.InvalidParameterException;

import java.security.Key;

import java.security.KeyPair;

import java.security.KeyPairGenerator;

import java.security.Provider;

import java.util.Arrays;

import javax.crypto.Cipher;

import javax.crypto.KeyGenerator;

import javax.crypto.SecretKey;

import javax.crypto.spec.SecretKeySpec;

public class TestRSACipherWrap extends PKCS11Test {

    private static final String[] RSA_ALGOS =

        { "RSA/ECB/PKCS1Padding", "RSA" };

    @Override

    public void main(Provider p) throws Exception {

        try {

            Cipher.getInstance(RSA_ALGOS[0], p);

        } catch (GeneralSecurityException e) {

            System.out.println(RSA_ALGOS[0] + " unsupported, skipping");

            return;

        }

        KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", p);

        kpg.initialize(1024);

        KeyPair kp = kpg.generateKeyPair();

        for (String rsaAlgo: RSA_ALGOS) {

            Cipher cipherPKCS11 = Cipher.getInstance(rsaAlgo, p);

            Cipher cipherJce = Cipher.getInstance(rsaAlgo, "SunJCE");

            String algos[] = {"AES", "RC2", "Blowfish"};

            int keySizes[] = {128, 256};

            for (int j = 0; j < algos.length; j++) {

                String algorithm = algos[j];

                KeyGenerator keygen =

                    KeyGenerator.getInstance(algorithm);

                for (int i = 0; i < keySizes.length; i++) {

                    SecretKey secretKey = null;

                    System.out.print("Generate " + keySizes[i] + "-bit " +

                        algorithm + " key using ");

                    try {

                        keygen.init(keySizes[i]);

                        secretKey = keygen.generateKey();

                        System.out.println(keygen.getProvider().getName());

                    } catch (InvalidParameterException ipe) {

                        secretKey = new SecretKeySpec(new byte[32], algorithm);

                        System.out.println("SecretKeySpec class");

                    }

                    test(kp, secretKey, cipherPKCS11, cipherJce);

                    test(kp, secretKey, cipherPKCS11, cipherPKCS11);

                    test(kp, secretKey, cipherJce, cipherPKCS11);

                }

            }

        }

    }

    private static void test(KeyPair kp, SecretKey secretKey,

            Cipher wrapCipher, Cipher unwrapCipher)

            throws Exception {

        String algo = secretKey.getAlgorithm();

        wrapCipher.init(Cipher.WRAP_MODE, kp.getPublic());

        byte[] wrappedKey = wrapCipher.wrap(secretKey);

        unwrapCipher.init(Cipher.UNWRAP_MODE, kp.getPrivate());

        Key unwrappedKey =

                unwrapCipher.unwrap(wrappedKey, algo, Cipher.SECRET_KEY);

        System.out.println("Test " + wrapCipher.getProvider().getName() +

                "/" + unwrapCipher.getProvider().getName() + ": ");

        if (!Arrays.equals(secretKey.getEncoded(),

                unwrappedKey.getEncoded())) {

            throw new Exception("Test Failed!");

        }

        System.out.println("Passed");

    }

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

        main(new TestRSACipherWrap(), args);

    }

}