1 /*
   2  * Copyright (c) 1996, 2013, 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 
  26 package java.security;
  27 
  28 import java.util.*;
  29 
  30 /**
  31  * This class is a simple holder for a key pair (a public key and a
  32  * private key). It does not enforce any security, and, when initialized,
  33  * should be treated like a PrivateKey.
  34  *
  35  * @see PublicKey
  36  * @see PrivateKey
  37  *
  38  * @author Benjamin Renaud
  39  * @since 1.1
  40  */
  41 
  42 public final class KeyPair implements java.io.Serializable {
  43 
  44     private static final long serialVersionUID = -7565189502268009837L;
  45 
  46     private PrivateKey privateKey;
  47     private PublicKey publicKey;
  48 
  49     /**
  50      * Constructs a key pair from the given public key and private key.
  51      *
  52      * <p>Note that this constructor only stores references to the public
  53      * and private key components in the generated key pair. This is safe,
  54      * because {@code Key} objects are immutable.
  55      *
  56      * @param publicKey the public key.
  57      *
  58      * @param privateKey the private key.
  59      */
  60     public KeyPair(PublicKey publicKey, PrivateKey privateKey) {
  61         this.publicKey = publicKey;
  62         this.privateKey = privateKey;
  63     }
  64 
  65     /**
  66      * Returns a reference to the public key component of this key pair.
  67      *
  68      * @return a reference to the public key.
  69      */
  70     public PublicKey getPublic() {
  71         return publicKey;
  72     }
  73 
  74      /**
  75      * Returns a reference to the private key component of this key pair.
  76      *
  77      * @return a reference to the private key.
  78      */
  79    public PrivateKey getPrivate() {
  80         return privateKey;
  81     }
  82 }