/*

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 * 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

 * @bug 4892365

 * @summary Ensure the crypto permission check on cipher algorithms

 * with restricted parameter values are correctly enforced.

 * @author Valerie Peng

 */

import java.io.*;

import java.util.*;

import java.security.*;

import java.security.spec.*;

import javax.crypto.*;

import javax.crypto.spec.*;

public class RC2PermCheck {

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

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

        System.out.println("Testing provider " + p.getName() + "...");

        if (Cipher.getMaxAllowedKeyLength("DES") == Integer.MAX_VALUE) {

            // skip this test for unlimited jurisdiction policy files

            System.out.println("Skip this test due to unlimited version");

            return;

        }

        // Currently, RC2 is the only algorithm whose parameter values

        // are restricted

        String algo = "RC2";

        Cipher c = Cipher.getInstance(algo + "/CBC/PKCS5Padding", p);

        SecretKeySpec key = new SecretKeySpec(new byte[16], "RC2");

        SecureRandom srand = new SecureRandom();

        int numOfTests = 6;

        boolean result = true;

        // test set#1: init with no parameter supplied

        for (int i = 0; i < numOfTests; i++) {

            try {

                switch (i) {

                case 0:

                    c.init(Cipher.ENCRYPT_MODE, key);

                    break;

                case 1:

                    c.init(Cipher.ENCRYPT_MODE, key, srand);

                    break;

                case 2:

                    c.init(Cipher.ENCRYPT_MODE, key,

                           (AlgorithmParameters) null);

                    break;

                case 3:

                    c.init(Cipher.ENCRYPT_MODE, key,

                           (AlgorithmParameters) null, srand);

                    break;

                case 4:

                    c.init(Cipher.ENCRYPT_MODE, key,

                           (AlgorithmParameterSpec) null);

                    break;

                case 5:

                    c.init(Cipher.ENCRYPT_MODE, key,

                           (AlgorithmParameterSpec) null, srand);

                    break;

                }

            } catch (Exception ex) {

                result = false;

                System.out.println("Test#1." + i + " failed!");

                ex.printStackTrace();

                continue;

            }

        }

        // test set#2: init with parameter within limit

        RC2ParameterSpec paramSpec = new RC2ParameterSpec(128, new byte[8]);

        AlgorithmParameters param = AlgorithmParameters.getInstance(algo, p);

        param.init(paramSpec);

        numOfTests = 4;

        for (int i = 0; i < numOfTests; i++) {

            try {

                switch (i) {

                case 0:

                    c.init(Cipher.ENCRYPT_MODE, key, paramSpec);

                    break;

                case 1:

                    c.init(Cipher.ENCRYPT_MODE, key, paramSpec, srand);

                    break;

                case 2:

                    c.init(Cipher.ENCRYPT_MODE, key, param);

                    break;

                case 3:

                    c.init(Cipher.ENCRYPT_MODE, key, param, srand);

                    break;

                }

            } catch (Exception ex) {

                result = false;

                System.out.println("Test#2." + i + " failed!");

                ex.printStackTrace();

            }

        }

        // test set#3: init with parameter over limit

        paramSpec = new RC2ParameterSpec(256, new byte[8]);

        param = AlgorithmParameters.getInstance(algo);

        param.init(paramSpec);

        for (int i = 0; i < numOfTests; i++) {

            try {

                switch (i) {

                case 0:

                    c.init(Cipher.ENCRYPT_MODE, key, paramSpec);

                    result = false;

                    System.out.println("Test#3." + i + " failed!");

                    break;

                case 1:

                    c.init(Cipher.ENCRYPT_MODE, key, paramSpec, srand);

                    result = false;

                    System.out.println("Test#3." + i + " failed!");

                    break;

                case 2:

                    c.init(Cipher.ENCRYPT_MODE, key, param);

                    result = false;

                    System.out.println("Test#3." + i + " failed!");

                    break;

                case 3:

                    c.init(Cipher.ENCRYPT_MODE, key, param, srand);

                    result = false;

                    System.out.println("Test#3." + i + " failed!");

                    break;

                }

            } catch (InvalidAlgorithmParameterException iape) {

                // expected exception thrown; proceed to next test

                continue;

            }

        }

        if (result) {

            System.out.println("All tests passed!");

        } else {

            throw new Exception("One or more test failed!");

        }

    }

}