1 /*
   2  * Copyright (c) 2012, 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.
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  23 
  24 /*
  25  * @test
  26  * @bug 6405536
  27  * @summary basic test of ECDSA signatures for P-256 and P-384 from the
  28  * example data in "Suite B Implementer's Guide to FIPS 186-3".
  29  * @library ..
  30  * @library ../../../../java/security/testlibrary
  31  * @modules java.base/sun.security.util
  32  *          jdk.crypto.token
  33  * @compile -XDignore.symbol.file TestECDSA2.java
  34  * @run main/othervm TestECDSA2
  35  * @run main/othervm TestECDSA2 sm
  36  */
  37 
  38 import java.math.BigInteger;
  39 import java.security.AlgorithmParameters;
  40 import java.security.KeyFactory;
  41 import java.security.KeyPair;
  42 import java.security.PrivateKey;
  43 import java.security.Provider;
  44 import java.security.PublicKey;
  45 import java.security.Signature;
  46 import java.security.spec.ECGenParameterSpec;
  47 import java.security.spec.ECParameterSpec;
  48 import java.security.spec.ECPoint;
  49 import java.security.spec.ECPrivateKeySpec;
  50 import java.security.spec.ECPublicKeySpec;
  51 
  52 public class TestECDSA2 extends PKCS11Test {
  53 
  54     // values of the keys we use for the tests
  55 
  56     // keypair using NIST P-256
  57     private final static String privD256 = "70a12c2db16845ed56ff68cfc21a472b3f04d7d6851bf6349f2d7d5b3452b38a";
  58     private final static String pubX256 = "8101ece47464a6ead70cf69a6e2bd3d88691a3262d22cba4f7635eaff26680a8";
  59     private final static String pubY256 = "d8a12ba61d599235f67d9cb4d58f1783d3ca43e78f0a5abaa624079936c0c3a9";
  60 
  61     // keypair using NIST P-384
  62     private final static String privD384 = "c838b85253ef8dc7394fa5808a5183981c7deef5a69ba8f4f2117ffea39cfcd90e95f6cbc854abacab701d50c1f3cf24";
  63     private final static String pubX384 = "1fbac8eebd0cbf35640b39efe0808dd774debff20a2a329e91713baf7d7f3c3e81546d883730bee7e48678f857b02ca0";
  64     private final static String pubY384 = "eb213103bd68ce343365a8a4c3d4555fa385f5330203bdd76ffad1f3affb95751c132007e1b240353cb0a4cf1693bdf9";
  65 
  66     // data to be signed
  67     private final static byte[] data = "This is only a test message. It is 48 bytes long".getBytes();
  68 
  69     private KeyFactory kf = null;
  70 
  71     private static void testSignAndVerify(String alg, KeyPair kp, Provider p) throws Exception {
  72         Signature s = Signature.getInstance(alg, p);
  73         s.initSign(kp.getPrivate());
  74         s.update(data);
  75         byte[] result = s.sign();
  76 
  77         s.initVerify(kp.getPublic());
  78         s.update(data);
  79         if (!s.verify(result)) {
  80             throw new Exception("Error: Signature verification failed");
  81         }
  82         System.out.println(p.getName() + ": " + alg + " Passed");
  83     }
  84 
  85     private KeyPair genECKeyPair(String curvName, String privD, String pubX,
  86             String pubY, Provider p) throws Exception {
  87         AlgorithmParameters params = AlgorithmParameters.getInstance("EC", p);
  88         params.init(new ECGenParameterSpec(curvName));
  89         ECParameterSpec ecParams = params.getParameterSpec(ECParameterSpec.class);
  90         ECPrivateKeySpec privKeySpec =
  91             new ECPrivateKeySpec(new BigInteger(privD, 16), ecParams);
  92         ECPublicKeySpec pubKeySpec =
  93             new ECPublicKeySpec(new ECPoint(new BigInteger(pubX, 16), new BigInteger(pubY, 16)),
  94                                 ecParams);
  95         PrivateKey privKey = kf.generatePrivate(privKeySpec);
  96         PublicKey pubKey = kf.generatePublic(pubKeySpec);
  97         return new KeyPair(pubKey, privKey);
  98     }
  99 
 100     public static void main(String[] args) throws Exception {
 101         main(new TestECDSA2(), args);
 102     }
 103 
 104     @Override
 105     public void main(Provider provider) throws Exception {
 106         boolean testP256 =
 107             (provider.getService("Signature", "SHA256withECDSA") != null);
 108 
 109         boolean testP384 =
 110             (provider.getService("Signature", "SHA384withECDSA") != null);
 111 
 112         if (!testP256 && !testP384) {
 113             System.out.println("ECDSA not supported, skipping");
 114             return;
 115         }
 116 
 117         if (isBadNSSVersion(provider)) {
 118             return;
 119         }
 120 
 121         kf = KeyFactory.getInstance("EC", provider);
 122 
 123         long start = System.currentTimeMillis();
 124         if (testP256) {
 125             // can use secp256r1, NIST P-256, X9.62 prime256v1, or 1.2.840.10045.3.1.7
 126             KeyPair kp =
 127                 genECKeyPair("secp256r1", privD256, pubX256, pubY256, provider);
 128             testSignAndVerify("SHA256withECDSA", kp, provider);
 129         }
 130         if (testP384) {
 131             // can use secp384r1, NIST P-384, 1.3.132.0.34
 132             KeyPair kp =
 133                 genECKeyPair("secp384r1", privD384, pubX384, pubY384, provider);
 134             testSignAndVerify("SHA384withECDSA", kp, provider);
 135         }
 136         long stop = System.currentTimeMillis();
 137         System.out.println("All tests passed (" + (stop - start) + " ms).");
 138     }
 139 }