keypair.java

This is a resource based on j2me embedded,if you dont understand,you can connection with me .

/*
 * @(#)KeyPair.java	1.17 06/10/10
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.  
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER  
 *   
 * This program is free software; you can redistribute it and/or  
 * modify it under the terms of the GNU General Public License version  
 * 2 only, as published by the Free Software Foundation.   
 *   
 * This program is distributed in the hope that it will be useful, but  
 * WITHOUT ANY WARRANTY; without even the implied warranty of  
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU  
 * General Public License version 2 for more details (a copy is  
 * included at /legal/license.txt).   
 *   
 * You should have received a copy of the GNU General Public License  
 * version 2 along with this work; if not, write to the Free Software  
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  
 * 02110-1301 USA   
 *   
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa  
 * Clara, CA 95054 or visit www.sun.com if you need additional  
 * information or have any questions. 
 *
 */

package java.security;

import java.util.*;

/**
 * This class is a simple holder for a key pair (a public key and a
 * private key). It does not enforce any security, and, when initialized,
 * should be treated like a PrivateKey.
 *
 * @see PublicKey
 * @see PrivateKey
 *
 * @version 1.11 00/02/02
 * @author Benjamin Renaud
 */

public final class KeyPair implements java.io.Serializable {

    private PrivateKey privateKey;
    private PublicKey publicKey;

    /**
     * Constructs a key pair from the given public key and private key.
     *
     * <p>Note that this constructor only stores references to the public
     * and private key components in the generated key pair. This is safe,
     * because <code>Key</code> objects are immutable.
     *
     * @param publicKey the public key.
     *
     * @param privateKey the private key.
     */
    public KeyPair(PublicKey publicKey, PrivateKey privateKey) {
	this.publicKey = publicKey;
	this.privateKey = privateKey;
    }

    /**
     * Returns a reference to the public key component of this key pair.
     *
     * @return a reference to the public key.
     */
    public PublicKey getPublic() {
	return publicKey;
    }

     /**
     * Returns a reference to the private key component of this key pair.
     *
     * @return a reference to the private key.
     */
   public PrivateKey getPrivate() {
	return privateKey;
    }
}