/*

 * Copyright (c) 2010, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

 * @test %W% %E%

 * @bug 6695485

 * @summary Make sure initSign/initVerify() check RSA key lengths

 * @author Yu-Ching Valerie Peng

 * @library ..

 * @run main/othervm TestRSAKeyLength

 * @run main/othervm TestRSAKeyLength sm

 */

import java.security.InvalidKeyException;

import java.security.KeyPair;

import java.security.KeyPairGenerator;

import java.security.PrivateKey;

import java.security.Provider;

import java.security.PublicKey;

import java.security.Signature;

import java.security.SignedObject;

public class TestRSAKeyLength extends PKCS11Test {

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

        main(new TestRSAKeyLength(), args);

    }

    @Override

    public void main(Provider p) throws Exception {

        /*

         * Use Solaris SPARC 11.2 or later to avoid an intermittent failure

         * when running SunPKCS11-Solaris (8044554)

         */

        if (p.getName().equals("SunPKCS11-Solaris") &&

            props.getProperty("os.name").equals("SunOS") &&

            props.getProperty("os.arch").equals("sparcv9") &&

            props.getProperty("os.version").compareTo("5.11") <= 0 &&

            getDistro().compareTo("11.2") < 0) {

            System.out.println("SunPKCS11-Solaris provider requires " +

                "Solaris SPARC 11.2 or later, skipping");

            return;

        }

        boolean isValidKeyLength[] = { true, true, true, false, false };

        String algos[] = { "SHA1withRSA", "SHA224withRSA", "SHA256withRSA",

                           "SHA384withRSA", "SHA512withRSA" };

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

        kpg.initialize(512);

        KeyPair kp = kpg.generateKeyPair();

        PrivateKey privKey = kp.getPrivate();

        PublicKey pubKey = kp.getPublic();

        if (algos.length != isValidKeyLength.length) {

            throw new Exception("Internal Error: number of test algos" +

                " and results length mismatch!");

        }

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

            Signature sig = Signature.getInstance(algos[i], p);

            System.out.println("Testing RSA signature " + algos[i]);

            try {

                sig.initSign(privKey);

                if (!isValidKeyLength[i]) {

                    throw new Exception("initSign: Expected IKE not thrown!");

                }

            } catch (InvalidKeyException ike) {

                if (isValidKeyLength[i]) {

                    throw new Exception("initSign: Unexpected " + ike);

                }

            }

            try {

                sig.initVerify(pubKey);

                if (!isValidKeyLength[i]) {

                    throw new RuntimeException("initVerify: Expected IKE not thrown!");

                }

                new SignedObject("Test string for getSignature test.", privKey, sig);

            } catch (InvalidKeyException ike) {

                if (isValidKeyLength[i]) {

                    throw new Exception("initSign: Unexpected " + ike);

                }

            }

        }

    }

}