// --- BEGIN COPYRIGHT BLOCK ---
// 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; version 2 of the License.
//
// 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package org.mozilla.jss.netscape.security.util;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Interface to an object that knows how to write its own DER
 * encoding to an output stream.
 *
 * @version 1.2 97/12/10
 * @author D. N. Hoover
 */
public interface DerEncoder {

    /**
     * DER encode this object and write the results to a stream.
     *
     * @param out the stream on which the DER encoding is written.
     * @throws IOException If an error occurred.
     */
    public void derEncode(OutputStream out)
            throws IOException;

}
