1/*
2 * Copyright (c) 2002, 2015, 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 4512704
27 * @summary Verify that AES cipher can generate default IV in encrypt mode
28 * @author Valerie Peng
29 */
30import java.io.PrintStream;
31import java.security.*;
32import java.security.spec.*;
33import java.util.Random;
34
35import javax.crypto.*;
36import javax.crypto.spec.*;
37import java.security.Provider;
38
39public class Test4512704 {
40    private static final String ALGO = "AES";
41    private static final String PADDING = "NoPadding";
42    private static final int KEYSIZE = 16; // in bytes
43
44    public void execute(String mode) throws Exception {
45
46        AlgorithmParameterSpec aps = null;
47        String transformation = ALGO + "/" + mode + "/"+PADDING;
48        Cipher ci = Cipher.getInstance(transformation, "SunJCE");
49
50        KeyGenerator kg = KeyGenerator.getInstance(ALGO, "SunJCE");
51        kg.init(KEYSIZE*8);
52        SecretKey key = kg.generateKey();
53        // TEST FIX 4512704
54        try {
55            ci.init(Cipher.ENCRYPT_MODE, key, aps);
56        } catch(InvalidAlgorithmParameterException ex) {
57            throw new Exception("parameter should be generated when null is specified!");
58        }
59        System.out.println(transformation + ": Passed");
60    }
61
62    public static void main (String[] args) throws Exception {
63        Test4512704 test = new Test4512704();
64        test.execute("CBC");
65        test.execute("GCM");
66    }
67}
68