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 4626070
27 * @summary Verify that AES cipher can wrap and unwrap keys
28 * @author Valerie Peng
29 */
30import java.security.*;
31import javax.crypto.*;
32import java.util.*;
33
34
35public class Test4626070 {
36    private static final String ALGO = "AES";
37    private static final int KEYSIZE = 16; // in bytes
38
39    public void execute(String mode, String padding) throws Exception {
40        String transformation = ALGO + "/" + mode + "/" + padding;
41        Cipher ci = Cipher.getInstance(transformation, "SunJCE");
42        KeyGenerator kg = KeyGenerator.getInstance(ALGO, "SunJCE");
43        kg.init(KEYSIZE*8);
44        SecretKey key = kg.generateKey();
45
46        AlgorithmParameters params = ci.getParameters();
47
48        // TEST FIX 4626070
49        ci.init(Cipher.WRAP_MODE, key, params);
50        byte[] wrappedKeyEncoding = ci.wrap(key);
51        params = ci.getParameters();
52        ci.init(Cipher.UNWRAP_MODE, key, params);
53        Key recoveredKey = ci.unwrap(wrappedKeyEncoding, "AES",
54                                     Cipher.SECRET_KEY);
55        if (!key.equals(recoveredKey)) {
56            throw new Exception(
57                "key after wrap/unwrap is different from the original!");
58        }
59        System.out.println(transformation + ": Passed");
60    }
61
62    public static void main (String[] args) throws Exception {
63        Test4626070 test = new Test4626070();
64        test.execute("CBC", "PKCS5Padding");
65        test.execute("GCM", "NoPadding");
66    }
67}
68