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
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 4898468 6994008
  27  * @summary basic test for RSA cipher
  28  * @author Andreas Sterbenz
  29  * @library ..
  30  * @key randomness
  31  * @modules jdk.crypto.token
  32  * @run main/othervm TestRSACipher
  33  * @run main/othervm TestRSACipher sm
  34  */
  35 
  36 import java.security.GeneralSecurityException;
  37 import java.security.KeyPair;
  38 import java.security.KeyPairGenerator;
  39 import java.security.PrivateKey;
  40 import java.security.Provider;
  41 import java.security.PublicKey;
  42 import java.util.Arrays;
  43 import java.util.Random;
  44 import javax.crypto.BadPaddingException;
  45 import javax.crypto.Cipher;
  46 import javax.crypto.IllegalBlockSizeException;
  47 
  48 public class TestRSACipher extends PKCS11Test {
  49 
  50     private static final String[] RSA_ALGOS =
  51         { "RSA/ECB/PKCS1Padding", "RSA" };
  52 
  53     @Override
  54     public void main(Provider p) throws Exception {
  55         try {
  56             Cipher.getInstance(RSA_ALGOS[0], p);
  57         } catch (GeneralSecurityException e) {
  58             System.out.println("Not supported by provider, skipping");
  59             return;
  60         }
  61         KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", p);
  62         kpg.initialize(1024);
  63         KeyPair kp = kpg.generateKeyPair();
  64         PublicKey publicKey = kp.getPublic();
  65         PrivateKey privateKey = kp.getPrivate();
  66         Random random = new Random();
  67         byte[] b, e, d;
  68         b = new byte[16];
  69         random.nextBytes(b);
  70 
  71         for (String rsaAlgo: RSA_ALGOS) {
  72             Cipher c1 = Cipher.getInstance(rsaAlgo, p);
  73             Cipher c2 = Cipher.getInstance(rsaAlgo, "SunJCE");
  74 
  75             c1.init(Cipher.ENCRYPT_MODE, publicKey);
  76             e = c1.doFinal(b);
  77             c1.init(Cipher.DECRYPT_MODE, privateKey);
  78             d = c1.doFinal(e);
  79             match(b, d);
  80             c2.init(Cipher.DECRYPT_MODE, privateKey);
  81             d = c2.doFinal(e);
  82             match(b, d);
  83 
  84             // invalid data
  85             c1.init(Cipher.DECRYPT_MODE, publicKey);
  86             try {
  87                 d = c1.doFinal(e);
  88                 throw new Exception("completed call");
  89             } catch (BadPaddingException ee) {
  90                 ee.printStackTrace();
  91             }
  92 
  93             c1.init(Cipher.ENCRYPT_MODE, privateKey);
  94             e = c1.doFinal(b);
  95             c1.init(Cipher.DECRYPT_MODE, publicKey);
  96             d = c1.doFinal(e);
  97             match(b, d);
  98             c2.init(Cipher.DECRYPT_MODE, publicKey);
  99             d = c2.doFinal(e);
 100             match(b, d);
 101 
 102             // reinit tests
 103             c1.init(Cipher.ENCRYPT_MODE, privateKey);
 104             c1.init(Cipher.ENCRYPT_MODE, privateKey);
 105             e = c1.doFinal(b);
 106             e = c1.doFinal(b);
 107             c1.update(b);
 108             c1.update(b);
 109             c1.init(Cipher.ENCRYPT_MODE, privateKey);
 110             e = c1.doFinal();
 111             e = c1.doFinal();
 112             c1.update(b);
 113             e = c1.doFinal();
 114 
 115             c1.update(new byte[256]);
 116             try {
 117                 e = c1.doFinal();
 118                 throw new Exception("completed call");
 119             } catch (IllegalBlockSizeException ee) {
 120                 System.out.println(ee);
 121             }
 122         }
 123     }
 124 
 125     private static void match(byte[] b1, byte[] b2) throws Exception {
 126         if (Arrays.equals(b1, b2) == false) {
 127             System.out.println(toString(b1));
 128             System.out.println(toString(b2));
 129             throw new Exception("mismatch");
 130         }
 131     }
 132 
 133     public static void main(String[] args) throws Exception {
 134         main(new TestRSACipher(), args);
 135     }
 136 
 137 }