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.pkcs11; |
| 27 | |
| 28 | import java.security.*; |
| 29 | import java.security.spec.AlgorithmParameterSpec; |
| 30 | |
| 31 | import javax.crypto.*; |
| 32 | import javax.crypto.spec.*; |
| 33 | |
| 34 | import sun.security.internal.spec.TlsRsaPremasterSecretParameterSpec; |
| 35 | |
| 36 | import static sun.security.pkcs11.TemplateManager.*; |
| 37 | import sun.security.pkcs11.wrapper.*; |
| 38 | import static sun.security.pkcs11.wrapper.PKCS11Constants.*; |
| 39 | |
| 40 | /** |
| 41 | * KeyGenerator for the SSL/TLS RSA premaster secret. |
| 42 | * |
| 43 | * @author Andreas Sterbenz |
| 44 | * @since 1.6 |
| 45 | */ |
| 46 | final class P11TlsRsaPremasterSecretGenerator extends KeyGeneratorSpi { |
| 47 | |
| 48 | private final static String MSG = "TlsRsaPremasterSecretGenerator must be " |
| 49 | + "initialized using a TlsRsaPremasterSecretParameterSpec"; |
| 50 | |
| 51 | // token instance |
| 52 | private final Token token; |
| 53 | |
| 54 | // algorithm name |
| 55 | private final String algorithm; |
| 56 | |
| 57 | // mechanism id |
| 58 | private long mechanism; |
| 59 | |
| 60 | private TlsRsaPremasterSecretParameterSpec spec; |
| 61 | |
| 62 | P11TlsRsaPremasterSecretGenerator(Token token, String algorithm, long mechanism) |
| 63 | throws PKCS11Exception { |
| 64 | super(); |
| 65 | this.token = token; |
| 66 | this.algorithm = algorithm; |
| 67 | this.mechanism = mechanism; |
| 68 | } |
| 69 | |
| 70 | protected void engineInit(SecureRandom random) { |
| 71 | throw new InvalidParameterException(MSG); |
| 72 | } |
| 73 | |
| 74 | protected void engineInit(AlgorithmParameterSpec params, |
| 75 | SecureRandom random) throws InvalidAlgorithmParameterException { |
| 76 | if (params instanceof TlsRsaPremasterSecretParameterSpec == false) { |
| 77 | throw new InvalidAlgorithmParameterException(MSG); |
| 78 | } |
| 79 | this.spec = (TlsRsaPremasterSecretParameterSpec)params; |
| 80 | } |
| 81 | |
| 82 | protected void engineInit(int keysize, SecureRandom random) { |
| 83 | throw new InvalidParameterException(MSG); |
| 84 | } |
| 85 | |
| 86 | protected SecretKey engineGenerateKey() { |
| 87 | if (spec == null) { |
| 88 | throw new IllegalStateException |
| 89 | ("TlsRsaPremasterSecretGenerator must be initialized"); |
| 90 | } |
| 91 | CK_VERSION version = |
| 92 | new CK_VERSION(spec.getMajorVersion(), spec.getMinorVersion()); |
| 93 | Session session = null; |
| 94 | try { |
| 95 | session = token.getObjSession(); |
| 96 | CK_ATTRIBUTE[] attributes = token.getAttributes |
| 97 | (O_GENERATE, CKO_SECRET_KEY, CKK_GENERIC_SECRET, new CK_ATTRIBUTE[0]); |
| 98 | long keyID = token.p11.C_GenerateKey |
| 99 | (session.id(), new CK_MECHANISM(mechanism, version), attributes); |
| 100 | SecretKey key = P11Key.secretKey |
| 101 | (session, keyID, "TlsRsaPremasterSecret", 48 << 3, attributes); |
| 102 | return key; |
| 103 | } catch (PKCS11Exception e) { |
| 104 | throw new ProviderException("Could not generate premaster secret", e); |
| 105 | } finally { |
| 106 | token.releaseSession(session); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | } |