TestDH2048.java revision 8346:1597066b58ee 
1/*
2 * Copyright (c) 2013, 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 7196382
27 * @summary Ensure that 2048-bit DH key pairs can be generated
28 * @author Valerie Peng
29 * @library ..
30 */
31
32import java.io.*;
33import java.util.*;
34
35import java.security.*;
36
37import javax.crypto.*;
38
39public class TestDH2048 extends PKCS11Test {
40
41    private static void checkUnsupportedKeySize(KeyPairGenerator kpg, int ks)
42        throws Exception {
43        try {
44            kpg.initialize(ks);
45            throw new Exception("Expected IPE not thrown for " + ks);
46        } catch (InvalidParameterException ipe) {
47        }
48    }
49
50    public void main(Provider p) throws Exception {
51        if (p.getService("KeyPairGenerator", "DH") == null) {
52            System.out.println("KPG for DH not supported, skipping");
53            return;
54        }
55        KeyPairGenerator kpg = KeyPairGenerator.getInstance("DH", p);
56        kpg.initialize(2048);
57        KeyPair kp1 = kpg.generateKeyPair();
58        checkUnsupportedKeySize(kpg, 1536);
59        checkUnsupportedKeySize(kpg, 2176);
60        checkUnsupportedKeySize(kpg, 3072);
61    }
62
63    public static void main(String[] args) throws Exception {
64        main(new TestDH2048());
65    }
66}
67