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 26 package sun.security.internal.interfaces; 27 28 import 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 45 public 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 */ getMajorVersion()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 */ getMinorVersion()69 public int getMinorVersion(); 70 71 } 72