1 /* 2 * Copyright (c) 2003, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 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