1 /*
   2  * Copyright (c) 2003, 2012, 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 4853305 4963723
  27  * @summary Test signing/verifying using all the signature algorithms
  28  * @author Andreas Sterbenz

  29  */
  30 
  31 import java.io.*;
  32 import java.util.*;
  33 
  34 import java.security.*;
  35 import java.security.interfaces.*;
  36 
  37 public class TestSignatures {
  38 
  39     private final static String BASE = System.getProperty("test.src", ".");
  40 
  41     private static final char[] password = "test12".toCharArray();
  42 
  43     private static Provider provider;
  44 
  45     private static byte[] data;
  46 
  47     static KeyStore getKeyStore() throws Exception {
  48         InputStream in = new FileInputStream(new File(BASE, "rsakeys.ks"));
  49         KeyStore ks = KeyStore.getInstance("JKS");
  50         ks.load(in, password);
  51         in.close();
  52         return ks;
  53     }
  54 
  55     private static void testSignature(String algorithm, PrivateKey privateKey, PublicKey publicKey) throws Exception {
  56         System.out.println("Testing " + algorithm + "...");
  57         Signature s = Signature.getInstance(algorithm, provider);
  58         s.initSign(privateKey);
  59         s.update(data);
  60         byte[] sig = s.sign();
  61         s.initVerify(publicKey);
  62         s.update(data);
  63         boolean result;
  64         result = s.verify(sig);
  65         if (result == false) {
  66             throw new Exception("Verification 1 failed");
  67         }
  68         s.update(data);
  69         result = s.verify(sig);
  70         if (result == false) {
  71             throw new Exception("Verification 2 failed");
  72         }
  73         result = s.verify(sig);
  74         if (result == true) {
  75             throw new Exception("Verification 3 succeeded");
  76         }
  77     }
  78 
  79     private static void test(PrivateKey privateKey, PublicKey publicKey) throws Exception {
  80         testSignature("MD2withRSA", privateKey, publicKey);
  81         testSignature("MD5withRSA", privateKey, publicKey);
  82         testSignature("SHA1withRSA", privateKey, publicKey);
  83         testSignature("SHA224withRSA", privateKey, publicKey);
  84         testSignature("SHA256withRSA", privateKey, publicKey);
  85         RSAPublicKey rsaKey = (RSAPublicKey)publicKey;
  86         if (rsaKey.getModulus().bitLength() > 512) {
  87             // for SHA384 and SHA512 the data is too long for 512 bit keys
  88             testSignature("SHA384withRSA", privateKey, publicKey);
  89             testSignature("SHA512withRSA", privateKey, publicKey);
  90         }
  91     }
  92 
  93     public static void main(String[] args) throws Exception {
  94         long start = System.currentTimeMillis();
  95         provider = Security.getProvider("SunRsaSign");
  96         data = new byte[2048];
  97         new Random().nextBytes(data);
  98         KeyStore ks = getKeyStore();
  99         KeyFactory kf = KeyFactory.getInstance("RSA", provider);
 100         for (Enumeration e = ks.aliases(); e.hasMoreElements(); ) {
 101             String alias = (String)e.nextElement();
 102             if (ks.isKeyEntry(alias)) {
 103                 System.out.println("* Key " + alias + "...");
 104                 PrivateKey privateKey = (PrivateKey)ks.getKey(alias, password);
 105                 PublicKey publicKey = ks.getCertificate(alias).getPublicKey();
 106                 privateKey = (PrivateKey)kf.translateKey(privateKey);
 107                 publicKey = (PublicKey)kf.translateKey(publicKey);
 108                 test(privateKey, publicKey);
 109             }
 110         }
 111         long stop = System.currentTimeMillis();
 112         System.out.println("All tests passed (" + (stop - start) + " ms).");
 113     }
 114 }
--- EOF ---