/*

 * Copyright (c) 2003, 2019, 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 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")

    @java.io.Serial

    static final long serialVersionUID = -7896394956925609184L;

    /**

     * Returns the private value S.

     * @return the private value S.

     */

    BigInteger getS();

}