File: Utils.java

package info (click to toggle)
openjdk-21 21.0.8%2B9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 823,976 kB
  • sloc: java: 5,613,338; xml: 1,643,607; cpp: 1,296,296; ansic: 420,291; asm: 404,850; objc: 20,994; sh: 15,271; javascript: 11,245; python: 6,895; makefile: 2,362; perl: 357; awk: 351; sed: 172; jsp: 24; csh: 3
file content (81 lines) | stat: -rw-r--r-- 2,507 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
/*
 * Copyright (c) 1998, 2014, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.security.SecureRandom;
import javax.crypto.spec.SecretKeySpec;

/**
 * Helper class.
 */
class Utils {

    static final int KEY_SIZE = 70;

    static final String[] MAC_ALGOS = {
            "HmacMD5", "HmacSHA1", "HmacSHA224", "HmacSHA256", "HmacSHA384",
            "HmacSHA512", "HmacSHA512/224", "HmacSHA512/256",
    };

    /**
     * Get SecretKeySpec.
     */
    static SecretKeySpec getSecretKeySpec() {
        SecureRandom srdm = new SecureRandom();
        byte[] keyVal = new byte[KEY_SIZE];
        srdm.nextBytes(keyVal);
        return new SecretKeySpec(keyVal, "HMAC");
    }

    static void runTests(MacTest... tests) {
        boolean success = true;
        for (MacTest test : tests) {
            success &= runTest(test);
        }

        if (success) {
            System.out.println("Test passed");
        } else {
            throw new RuntimeException("Test failed");
        }
    }

    private static boolean runTest(MacTest test) {
        boolean success = true;
        for (String alg : MAC_ALGOS) {
            try {
                System.out.println("Test " + alg);
                test.doTest(alg);
            } catch (Exception e) {
                System.out.println("Unexpected exception:");
                e.printStackTrace();
                success = false;
            }
        }

        return success;
    }
}

interface MacTest {
    void doTest(String alg) throws Exception;
}