1 /*

     2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

    21  * questions.

    22  */

    23 

    24 import static java.lang.System.out;

    25 import java.security.SecureRandom;

    26 import sun.security.provider.SunEntries;

    27 

    28 /**

    29  * @test

    30  * @bug 8228613

    31  * @summary Ensure that the default SecureRandom algo matches

    32  *     SunEntries.DEF_SECURE_RANDOM_ALGO when SUN provider is used

    33  * @modules java.base/sun.security.provider

    34  */

    35 public class DefaultAlgo {

    36 

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

    38         SecureRandom sr = new SecureRandom();

    39         String actualAlg = sr.getAlgorithm();

    40         out.println("Default SecureRandom algo: " + actualAlg);

    41         if (sr.getProvider().getName().equals("SUN")) {

    42             // when using Sun provider, compare and check if the algorithm

    43             // matches SunEntries.DEF_SECURE_RANDOM_ALGO

    44             if (actualAlg.equals(SunEntries.DEF_SECURE_RANDOM_ALGO)) {

    45                 out.println("Test Passed");

    46             } else {

    47                 throw new RuntimeException("Failed: Expected " +

    48                         SunEntries.DEF_SECURE_RANDOM_ALGO);

    49             }

    50         } else {

    51             out.println("Skip test for non-Sun provider: " + sr.getProvider());

    52         }

    53     }

    54 }