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 * Copyright (c) 2005, 2013, 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,

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 *

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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 {

            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");

        }

                        spec.getMajorVersion(), spec.getMinorVersion());

        }

    }

}