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 jdk.testlibrary.Asserts;
25
26import java.security.MessageDigest;
27import java.util.Arrays;
28
29/**
30 * @test
31 * @bug 8051408
32 * @library /lib/testlibrary
33 * @summary testing SHA-512/224 and SHA-512/256.
34 */
35public class SHA512 {
36    public static void main(String[] args) throws Exception {
37
38        MessageDigest md;
39
40        // Test vectors obtained from
41        // http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA512_224.pdf
42        md = MessageDigest.getInstance("SHA-512/224");
43        Asserts.assertTrue(Arrays.equals(md.digest("abc".getBytes()),
44            xeh("4634270F 707B6A54 DAAE7530 460842E2 0E37ED26 5CEEE9A4 3E8924AA")));
45        Asserts.assertTrue(Arrays.equals(md.digest((
46                "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" +
47                "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu").getBytes()),
48            xeh("23FEC5BB 94D60B23 30819264 0B0C4533 35D66473 4FE40E72 68674AF9")));
49
50        // Test vectors obtained from
51        // http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA512_256.pdf
52        md = MessageDigest.getInstance("SHA-512/256");
53        Asserts.assertTrue(Arrays.equals(md.digest("abc".getBytes()),
54            xeh("53048E26 81941EF9 9B2E29B7 6B4C7DAB E4C2D0C6 34FC6D46 E0E2F131 07E7AF23")));
55        Asserts.assertTrue(Arrays.equals(md.digest((
56                "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" +
57                "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu").getBytes()),
58            xeh("3928E184 FB8690F8 40DA3988 121D31BE 65CB9D3E F83EE614 6FEAC861 E19B563A")));
59    }
60
61    static byte[] xeh(String in) {
62        in = in.replaceAll(" ", "");
63        int len = in.length() / 2;
64        byte[] out = new byte[len];
65        for (int i = 0; i < len; i++) {
66            out[i] = (byte)Integer.parseInt(in.substring(i * 2, i * 2 + 2), 16);
67        }
68        return out;
69    }
70}
71