1 /*
   2  * Copyright (c) 2003, 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 /**
  25  * @test
  26  * @bug 4898479
  27  * @summary Verify that the parity bits are set correctly
  28  * @author Andreas Sterbenz
  29  * @library ..
  30  */
  31 
  32 import java.io.*;
  33 import java.util.*;
  34 
  35 import java.security.*;
  36 import java.security.spec.*;
  37 
  38 import javax.crypto.*;
  39 import javax.crypto.spec.*;
  40 
  41 public class DESParity extends PKCS11Test {
  42 
  43     public void main(Provider p) throws Exception {
  44         if (p.getService("SecretKeyFactory", "DES") == null) {
  45             System.out.println("Not supported by provider, skipping");
  46             return;
  47         }
  48         Random random = new Random();
  49         SecretKeyFactory kf;
  50         // DES
  51         kf = SecretKeyFactory.getInstance("DES", p);
  52         for (int i = 0; i < 10; i++ ) {
  53             byte[] b = new byte[8];
  54             random.nextBytes(b);
  55             SecretKeySpec spec = new SecretKeySpec(b, "DES");
  56             SecretKey key = kf.generateSecret(spec);
  57             if (DESKeySpec.isParityAdjusted(key.getEncoded(), 0) == false) {
  58                 throw new Exception("DES key not parity adjusted");
  59             }
  60         }
  61         // DESede
  62         kf = SecretKeyFactory.getInstance("DESede", p);
  63         for (int i = 0; i < 10; i++ ) {
  64             byte[] b = new byte[24];
  65             random.nextBytes(b);
  66             SecretKeySpec spec = new SecretKeySpec(b, "DESede");
  67             SecretKey key = kf.generateSecret(spec);
  68             if (DESedeKeySpec.isParityAdjusted(key.getEncoded(), 0) == false) {
  69                 throw new Exception("DESede key not parity adjusted");
  70             }
  71         }
  72     }
  73 
  74     public static void main(String[] args) throws Exception {
  75         main(new DESParity());
  76     }
  77 
  78 }