1/*
2 * Copyright (c) 2005, 2010, 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.security.internal.interfaces;
27
28import javax.crypto.SecretKey;
29
30/**
31 * An SSL/TLS master secret key. It is a <code>SecretKey</code> that optionally
32 * contains protocol version information that is used to detect version
33 * rollback attacks during the SSL/TLS handshake.
34 *
35 * <p>Implementation of this interface are returned by the
36 * <code>generateKey()</code> method of KeyGenerators of the type
37 * "TlsMasterSecret".
38 *
39 * @since   1.6
40 * @author  Andreas Sterbenz
41 * @deprecated Sun JDK internal use only --- WILL BE REMOVED in a future
42 * release.
43 */
44@Deprecated
45public interface TlsMasterSecret extends SecretKey {
46
47    public static final long serialVersionUID = -461748105810469773L;
48
49    /**
50     * Returns the major version number encapsulated in the premaster secret
51     * this master secret was derived from, or -1 if it is not available.
52     *
53     * <p>This information will only usually only be available when RSA
54     * was used as the key exchange algorithm.
55     *
56     * @return the major version number, or -1 if it is not available
57     */
58    public int getMajorVersion();
59
60    /**
61     * Returns the minor version number encapsulated in the premaster secret
62     * this master secret was derived from, or -1 if it is not available.
63     *
64     * <p>This information will only usually only be available when RSA
65     * was used as the key exchange algorithm.
66     *
67     * @return the major version number, or -1 if it is not available
68     */
69    public int getMinorVersion();
70
71}
72