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 }