StoreSecretKeyTest.java revision 6427:1da93663f8f3 
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 8005408
27 * @summary KeyStore API enhancements
28 */
29
30import java.io.*;
31import java.security.*;
32import java.util.*;
33import javax.crypto.*;
34import javax.crypto.spec.*;
35
36// Store a secret key in a keystore and retrieve it again.
37
38public class StoreSecretKeyTest {
39    private final static String DIR = System.getProperty("test.src", ".");
40    private static final char[] PASSWORD = "passphrase".toCharArray();
41    private static final String KEYSTORE = "keystore.p12";
42    private static final String ALIAS = "my secret key";
43
44    public static void main(String[] args) throws Exception {
45
46        new File(KEYSTORE).delete();
47
48        try {
49
50            KeyStore keystore = KeyStore.getInstance("PKCS12");
51            keystore.load(null, null);
52
53            // Set entry
54            keystore.setEntry(ALIAS,
55                new KeyStore.SecretKeyEntry(generateSecretKey("AES", 128)),
56                    new KeyStore.PasswordProtection(PASSWORD));
57
58            System.out.println("Storing keystore to: " + KEYSTORE);
59            keystore.store(new FileOutputStream(KEYSTORE), PASSWORD);
60
61            System.out.println("Loading keystore from: " + KEYSTORE);
62            keystore.load(new FileInputStream(KEYSTORE), PASSWORD);
63            System.out.println("Loaded keystore with " + keystore.size() +
64                " entries");
65            KeyStore.Entry entry = keystore.getEntry(ALIAS,
66                new KeyStore.PasswordProtection(PASSWORD));
67            System.out.println("Retrieved entry: " + entry);
68
69            if (entry instanceof KeyStore.SecretKeyEntry) {
70                System.out.println("Retrieved secret key entry: " +
71                    entry);
72            } else {
73                throw new Exception("Not a secret key entry");
74            }
75        } finally {
76            new File(KEYSTORE).delete();
77        }
78    }
79
80    private static SecretKey generateSecretKey(String algorithm, int size)
81        throws NoSuchAlgorithmException {
82        KeyGenerator generator = KeyGenerator.getInstance(algorithm);
83        generator.init(size);
84        return generator.generateKey();
85    }
86}
87