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  * @key randomness
  30  */
  31 
  32 import java.io.*;
  33 import java.util.*;
  34 
  35 import java.security.*;
  36 import java.security.interfaces.*;
  37 
  38 public class TestSignatures {
  39 
  40     private final static String BASE = System.getProperty("test.src", ".");
  41 
  42     private static final char[] password = "test12".toCharArray();
  43 
  44     private static Provider provider;
  45 
  46     private static byte[] data;
  47 
  48     static KeyStore getKeyStore() throws Exception {
  49         InputStream in = new FileInputStream(new File(BASE, "rsakeys.ks"));
  50         KeyStore ks = KeyStore.getInstance("JKS");
  51         ks.load(in, password);
  52         in.close();
  53         return ks;
  54     }
  55 
  56     private static void testSignature(String algorithm, PrivateKey privateKey, PublicKey publicKey) throws Exception {
  57         System.out.println("Testing " + algorithm + "...");
  58         Signature s = Signature.getInstance(algorithm, provider);
  59         s.initSign(privateKey);
  60         s.update(data);
  61         byte[] sig = s.sign();
  62         s.initVerify(publicKey);
  63         s.update(data);
  64         boolean result;
  65         result = s.verify(sig);
  66         if (result == false) {
  67             throw new Exception("Verification 1 failed");
  68         }
  69         s.update(data);
  70         result = s.verify(sig);
  71         if (result == false) {
  72             throw new Exception("Verification 2 failed");
  73         }
  74         result = s.verify(sig);
  75         if (result == true) {
  76             throw new Exception("Verification 3 succeeded");
  77         }
  78     }
  79 
  80     private static void test(PrivateKey privateKey, PublicKey publicKey) throws Exception {
  81         testSignature("MD2withRSA", privateKey, publicKey);
  82         testSignature("MD5withRSA", privateKey, publicKey);
  83         testSignature("SHA1withRSA", privateKey, publicKey);
  84         testSignature("SHA224withRSA", privateKey, publicKey);
  85         testSignature("SHA256withRSA", privateKey, publicKey);
  86         RSAPublicKey rsaKey = (RSAPublicKey)publicKey;
  87         if (rsaKey.getModulus().bitLength() > 512) {
  88             // for SHA384 and SHA512 the data is too long for 512 bit keys
  89             testSignature("SHA384withRSA", privateKey, publicKey);
  90             testSignature("SHA512withRSA", privateKey, publicKey);
  91         }
  92     }
  93 
  94     public static void main(String[] args) throws Exception {
  95         long start = System.currentTimeMillis();
  96         provider = Security.getProvider("SunRsaSign");
  97         data = new byte[2048];
  98         new Random().nextBytes(data);
  99         KeyStore ks = getKeyStore();
 100         KeyFactory kf = KeyFactory.getInstance("RSA", provider);
 101         for (Enumeration e = ks.aliases(); e.hasMoreElements(); ) {
 102             String alias = (String)e.nextElement();
 103             if (ks.isKeyEntry(alias)) {
 104                 System.out.println("* Key " + alias + "...");
 105                 PrivateKey privateKey = (PrivateKey)ks.getKey(alias, password);
 106                 PublicKey publicKey = ks.getCertificate(alias).getPublicKey();
 107                 privateKey = (PrivateKey)kf.translateKey(privateKey);
 108                 publicKey = (PublicKey)kf.translateKey(publicKey);
 109                 test(privateKey, publicKey);
 110             }
 111         }
 112         long stop = System.currentTimeMillis();
 113         System.out.println("All tests passed (" + (stop - start) + " ms).");
 114     }
 115 }
--- EOF ---