1/*
2 * Copyright (c) 2012, 2017, 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 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.cryptoki
33 * @compile -XDignore.symbol.file TestECDSA2.java
34 * @run main/othervm TestECDSA2
35 * @run main/othervm TestECDSA2 sm
36 */
37
38import java.math.BigInteger;
39import java.security.AlgorithmParameters;
40import java.security.KeyFactory;
41import java.security.KeyPair;
42import java.security.PrivateKey;
43import java.security.Provider;
44import java.security.PublicKey;
45import java.security.Signature;
46import java.security.spec.ECGenParameterSpec;
47import java.security.spec.ECParameterSpec;
48import java.security.spec.ECPoint;
49import java.security.spec.ECPrivateKeySpec;
50import java.security.spec.ECPublicKeySpec;
51
52public 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}
140