| /* |
| * Copyright (c) 2005, 2007, 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.pkcs11; |
| |
| import java.security.*; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| import javax.crypto.*; |
| import javax.crypto.spec.*; |
| |
| import sun.security.internal.spec.TlsRsaPremasterSecretParameterSpec; |
| |
| import static sun.security.pkcs11.TemplateManager.*; |
| import sun.security.pkcs11.wrapper.*; |
| import static sun.security.pkcs11.wrapper.PKCS11Constants.*; |
| |
| /** |
| * KeyGenerator for the SSL/TLS RSA premaster secret. |
| * |
| * @author Andreas Sterbenz |
| * @since 1.6 |
| */ |
| final class P11TlsRsaPremasterSecretGenerator extends KeyGeneratorSpi { |
| |
| private final static String MSG = "TlsRsaPremasterSecretGenerator must be " |
| + "initialized using a TlsRsaPremasterSecretParameterSpec"; |
| |
| // token instance |
| private final Token token; |
| |
| // algorithm name |
| private final String algorithm; |
| |
| // mechanism id |
| private long mechanism; |
| |
| private TlsRsaPremasterSecretParameterSpec spec; |
| |
| P11TlsRsaPremasterSecretGenerator(Token token, String algorithm, long mechanism) |
| throws PKCS11Exception { |
| super(); |
| this.token = token; |
| this.algorithm = algorithm; |
| this.mechanism = mechanism; |
| } |
| |
| protected void engineInit(SecureRandom random) { |
| throw new InvalidParameterException(MSG); |
| } |
| |
| protected void engineInit(AlgorithmParameterSpec params, |
| SecureRandom random) throws InvalidAlgorithmParameterException { |
| if (params instanceof TlsRsaPremasterSecretParameterSpec == false) { |
| throw new InvalidAlgorithmParameterException(MSG); |
| } |
| this.spec = (TlsRsaPremasterSecretParameterSpec)params; |
| } |
| |
| protected void engineInit(int keysize, SecureRandom random) { |
| throw new InvalidParameterException(MSG); |
| } |
| |
| protected SecretKey engineGenerateKey() { |
| if (spec == null) { |
| throw new IllegalStateException |
| ("TlsRsaPremasterSecretGenerator must be initialized"); |
| } |
| CK_VERSION version = |
| new CK_VERSION(spec.getMajorVersion(), spec.getMinorVersion()); |
| Session session = null; |
| try { |
| session = token.getObjSession(); |
| CK_ATTRIBUTE[] attributes = token.getAttributes |
| (O_GENERATE, CKO_SECRET_KEY, CKK_GENERIC_SECRET, new CK_ATTRIBUTE[0]); |
| long keyID = token.p11.C_GenerateKey |
| (session.id(), new CK_MECHANISM(mechanism, version), attributes); |
| SecretKey key = P11Key.secretKey |
| (session, keyID, "TlsRsaPremasterSecret", 48 << 3, attributes); |
| return key; |
| } catch (PKCS11Exception e) { |
| throw new ProviderException("Could not generate premaster secret", e); |
| } finally { |
| token.releaseSession(session); |
| } |
| } |
| |
| } |