dernull.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  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 for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.maverick.crypto.asn1;

import java.io.IOException;

/**
 * A NULL object.
 */
public class DERNull
    extends ASN1Null
{
    byte[]  zeroBytes = new byte[0];

    public DERNull()
    {
    }

    void encode(
        DEROutputStream  out)
        throws IOException
    {
        out.writeEncoded(NULL, zeroBytes);
    }

	public boolean equals(
		Object o)
	{
        if ((o == null) || !(o instanceof DERNull))
        {
            return false;
        }

		return true;
	}
}