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 }