1 /*
2  *  Licensed to the Apache Software Foundation (ASF) under one or more
3  *  contributor license agreements.  See the NOTICE file distributed with
4  *  this work for additional information regarding copyright ownership.
5  *  The ASF licenses this file to You under the Apache License, Version 2.0
6  *  (the "License"); you may not use this file except in compliance with
7  *  the License.  You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  */
17 
18 package javax.crypto.interfaces;
19 
20 import java.math.BigInteger;
21 import java.security.PrivateKey;
22 
23 /**
24  * The interface for a private key in the Diffie-Hellman key exchange protocol.
25  */
26 public interface DHPrivateKey extends DHKey, PrivateKey {
27 
28     /**
29      * The serialization version identifier.
30      */
31     public static final long serialVersionUID = 2211791113380396553L;
32 
33     /**
34      * Returns this key's private value x.
35      * @return this key's private value x.
36      */
getX()37     public BigInteger getX();
38 
39 }