gurux.dlms.secure.GXDLMSSecureServer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gurux.dlms Show documentation

gurux.dlms.java package is used to communicate with DLMS devices.

There is a newer version: 4.0.72

//
// --------------------------------------------------------------------------
//  Gurux Ltd
// 
//
//
// Filename:        $HeadURL$
//
// Version:         $Revision$,
//                  $Date$
//                  $Author$
//
// Copyright (c) Gurux Ltd
//
//---------------------------------------------------------------------------
//
//  DESCRIPTION
//
// This file is a part of Gurux Device Framework.
//
// Gurux Device Framework is Open Source 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.
// Gurux Device Framework 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.
//
// More information of Gurux products: https://www.gurux.org
//
// This code is licensed under the GNU General Public License v2. 
// Full text may be retrieved at http://www.gnu.org/licenses/gpl-2.0.txt
//---------------------------------------------------------------------------

package gurux.dlms.secure;

import gurux.dlms.GXDLMSServer;
import gurux.dlms.enums.InterfaceType;

/**
 * Implements secured DLMS server.
 * 
 * @author Gurux Ltd.
 */
public abstract class GXDLMSSecureServer extends GXDLMSServer {
    /**
     * Ciphering settings.
     */
    private GXCiphering ciphering;

    /**
     * Constructor.
     * 
     * @param logicalNameReferencing
     *            Is logical name referencing used.
     * @param type
     *            Interface type.
     */
    public GXDLMSSecureServer(final boolean logicalNameReferencing,
            final InterfaceType type) {
        super(logicalNameReferencing, type);
        // System title format is FLAG ID + serial number.
        byte[] st =
                new byte[] { 0x47, 0x52, 0x58, 0x00, 0x00, 0x00, 0x00, 0x01 };
        ciphering = new GXCiphering(st);
        setCipher(ciphering);
    }

    public final GXCiphering getCiphering() {
        return ciphering;
    }

    /**
     * @return Key Encrypting Key, also known as Master key.
     */
    public final byte[] getKek() {
        return getSettings().getKek();
    }

    /**
     * @param value
     *            Key Encrypting Key, also known as Master key.
     */
    public final void setKek(final byte[] value) {
        getSettings().setKek(value);
    }
}