1 /*
   2  * Copyright (c) 2018, 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 import java.io.BufferedReader;
  25 import java.io.File;
  26 import java.io.FileInputStream;
  27 import java.io.IOException;
  28 import java.io.InputStreamReader;
  29 import java.security.*;
  30 import java.security.spec.*;
  31 import java.security.interfaces.*;
  32 import java.util.ArrayList;
  33 import java.util.List;
  34 
  35 /*
  36  * @test
  37  * @bug 8146293
  38  * @summary Known Answer Tests based on NIST 186-3 at:
  39  * @compile SigRecord.java
  40  * @run main/othervm TestSigGen15
  41  */
  42 public class TestSigGen15 {
  43 
  44     private static final String[] testFiles = {
  45         "SigGen15_186-3.txt", "SigGen15_186-3_TruncatedSHAs.txt"
  46     };
  47 
  48     public static void main(String[] args) throws Exception {
  49         boolean success = true;
  50         for (String f : testFiles) {
  51             System.out.println("[INPUT FILE " + f + "]");
  52             try {
  53                 success &= runTest(SigRecord.read(f));
  54             } catch (IOException e) {
  55                 System.out.println("Unexpected exception: " + e);
  56                 e.printStackTrace(System.out);
  57                 success = false;
  58             }
  59         }
  60 
  61         if (!success) {
  62             throw new RuntimeException("One or more test failed");
  63         }
  64         System.out.println("Test passed");
  65     }
  66 
  67     /*
  68      * Run all the tests in the data list with specified algorithm
  69      */
  70     static boolean runTest(List<SigRecord> records) throws Exception {
  71         boolean success = true;
  72         //for (Provider provider : Security.getProviders()) {
  73         Provider p = Security.getProvider("SunRsaSign");
  74         KeyFactory kf = KeyFactory.getInstance("RSA", p);
  75         for (SigRecord sr : records) {
  76             System.out.println("==Testing Record : " + sr + "==");
  77             PrivateKey privKey = kf.generatePrivate(sr.privKeySpec);
  78             PublicKey pubKey = kf.generatePublic(sr.pubKeySpec);
  79             success &= check(privKey, pubKey, sr.testVectors, p);
  80             System.out.println("==Done==");
  81         }
  82         return success;
  83     }
  84 
  85     /*
  86      * Generate the signature, check against known values and verify.
  87      */
  88     static boolean check(PrivateKey privKey, PublicKey pubKey,
  89         List<SigRecord.SigVector> vectors, Provider p) throws Exception {
  90 
  91         boolean success = true;
  92         for (SigRecord.SigVector v : vectors) {
  93             System.out.println("\tAgainst " + v.mdAlg);
  94             String sigAlgo = v.mdAlg + "withRSA";
  95             Signature sig;
  96             try {
  97                 sig = Signature.getInstance(sigAlgo, p);
  98             } catch (NoSuchAlgorithmException e) {
  99                 System.out.println("\tSkip " + sigAlgo +
 100                     " due to no support");
 101                 continue;
 102             }
 103             byte[] msgBytes = SigRecord.toByteArray(v.msg);
 104             byte[] expSigBytes = SigRecord.toByteArray(v.sig);
 105 
 106             sig.initSign(privKey);
 107             sig.update(msgBytes);
 108             byte[] actualSigBytes = sig.sign();
 109 
 110             success &= MessageDigest.isEqual(actualSigBytes, expSigBytes);
 111 
 112             if (!success) {
 113                 System.out.println("\tFailed:");
 114                 System.out.println("\tSHAALG       = " + v.mdAlg);
 115                 System.out.println("\tMsg          = " + v.msg);
 116                 System.out.println("\tExpected Sig = " + v.sig);
 117                 System.out.println("\tActual Sig   = " + SigRecord.toHexString(actualSigBytes));
 118             } else {
 119                 System.out.println("\t" + v.mdAlg + " Test Vector Passed");
 120             }
 121         }
 122 
 123         return success;
 124     }
 125 }