1 /*
   2  * Copyright (c) 2003, 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
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  23 
  24 /*
  25  * @test
  26  * @bug 4856966
  27  * @summary
  28  * @author Andreas Sterbenz
  29  * @library ..
  30  * @key randomness
  31  * @modules jdk.crypto.pkcs11
  32  * @run main/othervm ReinitMac
  33  * @run main/othervm ReinitMac sm
  34  */
  35 
  36 import java.security.Provider;
  37 import java.util.Random;
  38 import javax.crypto.Mac;
  39 import javax.crypto.spec.SecretKeySpec;
  40 
  41 public class ReinitMac extends PKCS11Test {
  42 
  43     public static void main(String[] args) throws Exception {
  44         main(new ReinitMac(), args);
  45     }
  46 
  47     @Override
  48     public void main(Provider p) throws Exception {
  49         if (p.getService("Mac", "HmacMD5") == null) {
  50             System.out.println(p + " does not support HmacMD5, skipping");
  51             return;
  52         }
  53         Random random = new Random();
  54         byte[] data1 = new byte[10 * 1024];
  55         random.nextBytes(data1);
  56         byte[] keyData = new byte[16];
  57         random.nextBytes(keyData);
  58         SecretKeySpec key = new SecretKeySpec(keyData, "Hmac");
  59         Mac mac = Mac.getInstance("HmacMD5", p);
  60         mac.init(key);
  61         mac.init(key);
  62         mac.update(data1);
  63         mac.init(key);
  64         mac.doFinal();
  65         mac.doFinal();
  66         mac.update(data1);
  67         mac.doFinal();
  68         mac.reset();
  69         mac.reset();
  70         mac.init(key);
  71         mac.reset();
  72         mac.update(data1);
  73         mac.reset();
  74 
  75         System.out.println("All tests passed");
  76     }
  77 }