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 

    24 import jdk.testlibrary.Asserts;

    25 

    26 import java.security.MessageDigest;

    27 import 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  */

    35 public 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 }