J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005-2007 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.security.internal.spec; |
| 27 | |
| 28 | import java.security.spec.AlgorithmParameterSpec; |
| 29 | |
| 30 | import javax.crypto.SecretKey; |
| 31 | |
| 32 | /** |
| 33 | * Parameters for SSL/TLS master secret generation. |
| 34 | * This class encapsulates the information necessary to calculate a SSL/TLS |
| 35 | * master secret from the premaster secret and other parameters. |
| 36 | * It is used to initialize KeyGenerators of the type "TlsMasterSecret". |
| 37 | * |
| 38 | * <p>Instances of this class are immutable. |
| 39 | * |
| 40 | * @since 1.6 |
| 41 | * @author Andreas Sterbenz |
| 42 | * @deprecated Sun JDK internal use only --- WILL BE REMOVED in Dolphin (JDK 7) |
| 43 | */ |
| 44 | @Deprecated |
| 45 | public class TlsMasterSecretParameterSpec implements AlgorithmParameterSpec { |
| 46 | |
| 47 | private final SecretKey premasterSecret; |
| 48 | private final int majorVersion, minorVersion; |
| 49 | private final byte[] clientRandom, serverRandom; |
| 50 | |
| 51 | /** |
| 52 | * Constructs a new TlsMasterSecretParameterSpec. |
| 53 | * |
| 54 | * <p>The <code>getAlgorithm()</code> method of <code>premasterSecret</code> |
| 55 | * should return <code>"TlsRsaPremasterSecret"</code> if the key exchange |
| 56 | * algorithm was RSA and <code>"TlsPremasterSecret"</code> otherwise. |
| 57 | * |
| 58 | * @param premasterSecret the premaster secret |
| 59 | * @param majorVersion the major number of the protocol version |
| 60 | * @param minorVersion the minor number of the protocol version |
| 61 | * @param clientRandom the client's random value |
| 62 | * @param serverRandom the server's random value |
| 63 | * |
| 64 | * @throws NullPointerException if premasterSecret, clientRandom, |
| 65 | * or serverRandom are null |
| 66 | * @throws IllegalArgumentException if minorVersion or majorVersion are |
| 67 | * negative or larger than 255 |
| 68 | */ |
| 69 | public TlsMasterSecretParameterSpec(SecretKey premasterSecret, |
| 70 | int majorVersion, int minorVersion, byte[] clientRandom, byte[] serverRandom) { |
| 71 | if (premasterSecret == null) { |
| 72 | throw new NullPointerException("premasterSecret must not be null"); |
| 73 | } |
| 74 | this.premasterSecret = premasterSecret; |
| 75 | this.majorVersion = checkVersion(majorVersion); |
| 76 | this.minorVersion = checkVersion(minorVersion); |
| 77 | this.clientRandom = clientRandom.clone(); |
| 78 | this.serverRandom = serverRandom.clone(); |
| 79 | } |
| 80 | |
| 81 | static int checkVersion(int version) { |
| 82 | if ((version < 0) || (version > 255)) { |
| 83 | throw new IllegalArgumentException("Version must be between 0 and 255"); |
| 84 | } |
| 85 | return version; |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Returns the premaster secret. |
| 90 | * |
| 91 | * @return the premaster secret. |
| 92 | */ |
| 93 | public SecretKey getPremasterSecret() { |
| 94 | return premasterSecret; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Returns the major version number. |
| 99 | * |
| 100 | * @return the major version number. |
| 101 | */ |
| 102 | public int getMajorVersion() { |
| 103 | return majorVersion; |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Returns the minor version number. |
| 108 | * |
| 109 | * @return the minor version number. |
| 110 | */ |
| 111 | public int getMinorVersion() { |
| 112 | return minorVersion; |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Returns a copy of the client's random value. |
| 117 | * |
| 118 | * @return a copy of the client's random value. |
| 119 | */ |
| 120 | public byte[] getClientRandom() { |
| 121 | return clientRandom.clone(); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Returns a copy of the server's random value. |
| 126 | * |
| 127 | * @return a copy of the server's random value. |
| 128 | */ |
| 129 | public byte[] getServerRandom() { |
| 130 | return serverRandom.clone(); |
| 131 | } |
| 132 | |
| 133 | } |