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8  * particular file as subject to the "Classpath" exception as provided
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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).
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25 package java.security.interfaces;
26 
27 import java.math.BigInteger;
28 import java.security.PrivateKey;
29 
30 /**
31  * The interface to an elliptic curve (EC) private key.
32  *
33  * @author Valerie Peng
34  *
35  *
36  * @see PrivateKey
37  * @see ECKey
38  *
39  * @since 1.5
40  */
41 public interface ECPrivateKey extends PrivateKey, ECKey {
42    /**
43     * The class fingerprint that is set to indicate
44     * serialization compatibility.
45     */
46     static final long serialVersionUID = -7896394956925609184L;
47 
48     /**
49      * Returns the private value S.
50      * @return the private value S.
51      */
getS()52     BigInteger getS();
53 }
54