1/*
2 * Copyright (c) 2016, 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
24import java.security.Provider;
25import java.security.Security;
26import java.security.MessageDigest;
27import java.security.NoSuchAlgorithmException;
28
29/*
30 * @test
31 * @bug 8156059
32 * @summary Test expected NoSuchAlgorithmException is thrown
33 *          if using SHA-3 with unsupported providers
34 */
35
36public class UnsupportedProvider {
37
38    public static void main(String args[]) {
39        String[] algorithms = { "SHA3-224", "SHA3-256", "SHA3-384",
40                "SHA3-512" };
41
42        for (Provider prov : Security.getProviders()) {
43            for (String algo : algorithms) {
44                try {
45                    String provName = prov.getName();
46                    MessageDigest md = MessageDigest.getInstance(algo, prov);
47
48                    if (!isSHA3Supported(provName)) {
49                        throw new RuntimeException("SHA-3 is not supported by "
50                                + provName + " provider, but expected "
51                                + "NoSuchAlgorithmException is not thrown");
52                    }
53                } catch (NoSuchAlgorithmException ex) {
54                    if (isSHA3Supported(prov.getName())) {
55                        throw new RuntimeException("SHA-3 should be supported "
56                                + "by " + prov.getName() + " provider, got"
57                                + " unexpected NoSuchAlgorithmException");
58                    }
59                    continue;
60                }
61            }
62        }
63    }
64
65    // Check if specific provider supports SHA-3 hash algorithms
66    static boolean isSHA3Supported(String provName) {
67        if ("SUN".equals(provName)) {
68            return true;
69        }
70        if ("OracleUcrypto".equals(provName)
71                && "SunOS".equals(System.getProperty("os.name"))
72                && System.getProperty("os.version").compareTo("5.12") >= 0) {
73            return true;
74        }
75        return false;
76    }
77}
78