| /* |
| * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.internal.spec; |
| |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| import javax.crypto.SecretKey; |
| |
| /** |
| * Parameters for SSL/TLS master secret generation. |
| * This class encapsulates the information necessary to calculate a SSL/TLS |
| * master secret from the premaster secret and other parameters. |
| * It is used to initialize KeyGenerators of the type "TlsMasterSecret". |
| * |
| * <p>Instances of this class are immutable. |
| * |
| * @since 1.6 |
| * @author Andreas Sterbenz |
| * @deprecated Sun JDK internal use only --- WILL BE REMOVED in a future |
| * release. |
| */ |
| @Deprecated |
| public class TlsMasterSecretParameterSpec implements AlgorithmParameterSpec { |
| |
| private final SecretKey premasterSecret; |
| private final int majorVersion, minorVersion; |
| private final byte[] clientRandom, serverRandom; |
| private final String prfHashAlg; |
| private final int prfHashLength; |
| private final int prfBlockSize; |
| |
| /** |
| * Constructs a new TlsMasterSecretParameterSpec. |
| * |
| * <p>The <code>getAlgorithm()</code> method of <code>premasterSecret</code> |
| * should return <code>"TlsRsaPremasterSecret"</code> if the key exchange |
| * algorithm was RSA and <code>"TlsPremasterSecret"</code> otherwise. |
| * |
| * @param premasterSecret the premaster secret |
| * @param majorVersion the major number of the protocol version |
| * @param minorVersion the minor number of the protocol version |
| * @param clientRandom the client's random value |
| * @param serverRandom the server's random value |
| * @param prfHashAlg the name of the TLS PRF hash algorithm to use. |
| * Used only for TLS 1.2+. TLS1.1 and earlier use a fixed PRF. |
| * @param prfHashLength the output length of the TLS PRF hash algorithm. |
| * Used only for TLS 1.2+. |
| * @param prfBlockSize the input block size of the TLS PRF hash algorithm. |
| * Used only for TLS 1.2+. |
| * |
| * @throws NullPointerException if premasterSecret, clientRandom, |
| * or serverRandom are null |
| * @throws IllegalArgumentException if minorVersion or majorVersion are |
| * negative or larger than 255 |
| */ |
| public TlsMasterSecretParameterSpec(SecretKey premasterSecret, |
| int majorVersion, int minorVersion, |
| byte[] clientRandom, byte[] serverRandom, |
| String prfHashAlg, int prfHashLength, int prfBlockSize) { |
| if (premasterSecret == null) { |
| throw new NullPointerException("premasterSecret must not be null"); |
| } |
| this.premasterSecret = premasterSecret; |
| this.majorVersion = checkVersion(majorVersion); |
| this.minorVersion = checkVersion(minorVersion); |
| this.clientRandom = clientRandom.clone(); |
| this.serverRandom = serverRandom.clone(); |
| this.prfHashAlg = prfHashAlg; |
| this.prfHashLength = prfHashLength; |
| this.prfBlockSize = prfBlockSize; |
| } |
| |
| static int checkVersion(int version) { |
| if ((version < 0) || (version > 255)) { |
| throw new IllegalArgumentException( |
| "Version must be between 0 and 255"); |
| } |
| return version; |
| } |
| |
| /** |
| * Returns the premaster secret. |
| * |
| * @return the premaster secret. |
| */ |
| public SecretKey getPremasterSecret() { |
| return premasterSecret; |
| } |
| |
| /** |
| * Returns the major version number. |
| * |
| * @return the major version number. |
| */ |
| public int getMajorVersion() { |
| return majorVersion; |
| } |
| |
| /** |
| * Returns the minor version number. |
| * |
| * @return the minor version number. |
| */ |
| public int getMinorVersion() { |
| return minorVersion; |
| } |
| |
| /** |
| * Returns a copy of the client's random value. |
| * |
| * @return a copy of the client's random value. |
| */ |
| public byte[] getClientRandom() { |
| return clientRandom.clone(); |
| } |
| |
| /** |
| * Returns a copy of the server's random value. |
| * |
| * @return a copy of the server's random value. |
| */ |
| public byte[] getServerRandom() { |
| return serverRandom.clone(); |
| } |
| |
| /** |
| * Obtains the PRF hash algorithm to use in the PRF calculation. |
| * |
| * @return the hash algorithm. |
| */ |
| public String getPRFHashAlg() { |
| return prfHashAlg; |
| } |
| |
| /** |
| * Obtains the length of the PRF hash algorithm. |
| * |
| * @return the hash algorithm length. |
| */ |
| public int getPRFHashLength() { |
| return prfHashLength; |
| } |
| |
| /** |
| * Obtains the block size of the PRF hash algorithm. |
| * |
| * @return the hash algorithm block size. |
| */ |
| public int getPRFBlockSize() { |
| return prfBlockSize; |
| } |
| } |