/*

 * Copyright (c) 2003, 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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 */

/**

 * @test

 * @bug 4917233 6461727 6490213 6720456

 * @summary test the KeyGenerator

 * @author Andreas Sterbenz

 * @library ..

 * @run main/othervm TestKeyGenerator

 * @run main/othervm TestKeyGenerator sm

 */

import java.security.InvalidParameterException;

import java.security.NoSuchAlgorithmException;

import java.security.Provider;

import java.security.ProviderException;

import javax.crypto.KeyGenerator;

import javax.crypto.SecretKey;

enum TestResult {

    PASS,

    FAIL,

    TBD

}

public class TestKeyGenerator extends PKCS11Test {

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

        main(new TestKeyGenerator(), args);

    }

    private TestResult test(String algorithm, int keyLen, Provider p,

                      TestResult expected)

        throws Exception {

        TestResult actual = TestResult.TBD;

        System.out.println("Testing " + algorithm + ", " + keyLen + " bits...");

        KeyGenerator kg;

        try {

            kg = KeyGenerator.getInstance(algorithm, p);

        } catch (NoSuchAlgorithmException e) {

            System.out.println("Not supported, skipping: " + e);

            return TestResult.PASS;

        }

        try {

            kg.init(keyLen);

            actual = TestResult.PASS;

        } catch (InvalidParameterException ipe) {

            actual = TestResult.FAIL;

        }

        if (actual == TestResult.PASS) {

            try {

                SecretKey key = kg.generateKey();

                if (expected == TestResult.FAIL) {

                    throw new Exception("Generated " + key +

                        " using invalid key length");

                }

            } catch (ProviderException e) {

                e.printStackTrace();

                throw (Exception) (new Exception

                    ("key generation failed using valid length").initCause(e));

            }

        }

        if (expected != TestResult.TBD && expected != actual) {

            throw new Exception("Expected to " + expected + ", but " +

                actual);

        }

        return actual;

    }

    @Override

    public void main(Provider p) throws Exception {

        test("DES", 0, p, TestResult.FAIL);

        test("DES", 56, p, TestResult.PASS); // ensure JCE-Compatibility

        test("DES", 64, p, TestResult.PASS);

        test("DES", 128, p, TestResult.FAIL);

        test("DESede", 0, p, TestResult.FAIL);

        // Special handling since not all PKCS11 providers support

        // 2-key DESede, e.g. SunPKCS11-Solaris.

        TestResult temp = test("DESede", 112, p, TestResult.TBD);

        test("DESede", 128, p, temp);

        test("DESede", 168, p, TestResult.PASS);

        test("DESede", 192, p, TestResult.PASS);

        test("DESede", 64, p, TestResult.FAIL);

        test("DESede", 256, p, TestResult.FAIL);

        // Different PKCS11 impls have different ranges

        // of supported key sizes for variable-key-length

        // algorithms.

        // Solaris> Blowfish: 32-128 or even 448 bits, RC4: 8-128 bits or as much as 2048 bits

        // NSS>     Blowfish: n/a,         RC4: 8-2048 bits

        // However, we explicitly disallowed key sizes less

        // than 40-bits.

        test("Blowfish", 0, p, TestResult.FAIL);

        test("Blowfish", 24, p, TestResult.FAIL);

        test("Blowfish", 32, p, TestResult.FAIL);

        test("Blowfish", 40, p, TestResult.PASS);

        test("Blowfish", 128, p, TestResult.PASS);

        test("Blowfish", 136, p, TestResult.TBD);

        test("Blowfish", 448, p, TestResult.TBD);

        test("Blowfish", 456, p, TestResult.FAIL);

        test("ARCFOUR", 0, p, TestResult.FAIL);

        test("ARCFOUR", 32, p, TestResult.FAIL);

        test("ARCFOUR", 40, p, TestResult.PASS);

        test("ARCFOUR", 128, p, TestResult.PASS);

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

            test("ARCFOUR", 1024, p, TestResult.TBD);

        } else if (p.getName().equals("SunPKCS11-NSS")) {

            test("ARCFOUR", 1024, p, TestResult.PASS);

            test("ARCFOUR", 2048, p, TestResult.PASS);

            test("ARCFOUR", 2056, p, TestResult.FAIL);

        }

    }

}