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      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.PublicKey;
     22 
     23 /**
     24  * The interface for a public key in the Diffie-Hellman key exchange protocol.
     25  */
     26 public interface DHPublicKey extends DHKey, PublicKey {
     27 
     28     /**
     29      * The serial version identifier.
     30      */
     31     public static final long serialVersionUID = -6628103563352519193L;
     32 
     33     /**
     34      * Returns this key's public value Y.
     35      * @return this key's public value Y.
     36      */
     37     public BigInteger getY();
     38 }