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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package java.security.interfaces;

import java.math.BigInteger;
import java.security.PrivateKey;

/**
 * The interface to an elliptic curve (EC) private key.
 *
 * @author Valerie Peng
 *
 *
 * @see PrivateKey
 * @see ECKey
 *
 * @since 1.5
 */
public interface ECPrivateKey extends PrivateKey, ECKey {
   /**
    * The class fingerprint that is set to indicate
    * serialization compatibility.
    *
    * @deprecated A {@code serialVersionUID} field in an interface is
    * ineffectual. Do not use; no replacement.
    */
    @Deprecated
    @SuppressWarnings("serial")
    static final long serialVersionUID = -7896394956925609184L;

    /**
     * Returns the private value S.
     * @return the private value S.
     */
    BigInteger getS();
}