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
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  23 
  24 /**
  25  * @test
  26  * @bug 4955844
  27  * @summary ensure that the NONEwithRSA adapter works correctly
  28  * @author Andreas Sterbenz
  29  */
  30 
  31 import java.util.*;
  32 
  33 import java.security.*;
  34 
  35 import javax.crypto.*;
  36 
  37 public class NONEwithRSA {
  38 
  39     public static void main(String[] args) throws Exception {
  40 //      showProvider(Security.getProvider("SUN"));
  41         Random random = new Random();
  42         byte[] b = new byte[16];
  43         random.nextBytes(b);
  44 
  45         KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
  46         kpg.initialize(512);
  47         KeyPair kp = kpg.generateKeyPair();
  48 
  49         Signature sig = Signature.getInstance("NONEwithRSA");
  50         sig.initSign(kp.getPrivate());
  51         System.out.println("Provider: " + sig.getProvider());
  52         sig.update(b);
  53         byte[] sb = sig.sign();
  54 
  55         sig.initVerify(kp.getPublic());
  56         sig.update(b);
  57         if (sig.verify(sb) == false) {
  58             throw new Exception("verification failed");
  59         }
  60 
  61         Cipher c = Cipher.getInstance("RSA/ECB/PKCS1Padding");
  62         c.init(Cipher.DECRYPT_MODE, kp.getPublic());
  63         byte[] dec = c.doFinal(sb);
  64         if (Arrays.equals(dec, b) == false) {
  65             throw new Exception("decryption failed");
  66         }
  67 
  68         sig = Signature.getInstance("NONEwithRSA", "SunJCE");
  69         sig.initSign(kp.getPrivate());
  70         sig = Signature.getInstance("NONEwithRSA", Security.getProvider("SunJCE"));
  71         sig.initSign(kp.getPrivate());
  72 
  73         try {
  74             Signature.getInstance("NONEwithRSA", "SUN");
  75             throw new Exception("call succeeded");
  76         } catch (NoSuchAlgorithmException e) {
  77             e.printStackTrace();
  78         }
  79 
  80         System.out.println("OK");
  81     }
  82 
  83     private static void showProvider(Provider p) {
  84         System.out.println(p);
  85         for (Iterator t = p.getServices().iterator(); t.hasNext(); ) {
  86             System.out.println(t.next());
  87         }
  88     }
  89 
  90 }