Security.h

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//-----------------------------------------------------------------------------
//
//  Security.h
//
//  Implementation of the Z-Wave COMMAND_CLASS_Security
//
//  Copyright (c) 2010 Mal Lansell <openzwave@lansell.org>
//
//  SOFTWARE NOTICE AND LICENSE
//
//  This file is part of OpenZWave.
//
//  OpenZWave is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation, either version 3 of the License,
//  or (at your option) any later version.
//
//  OpenZWave 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 Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with OpenZWave.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------

#ifndef _Security_H
#define _Security_H

#include <ctime>
#include "aes/aescpp.h"
#include "command_classes/CommandClass.h"

namespace OpenZWave
{
    namespace Internal
    {
        namespace CC
        {

            enum SecurityCmd
            {
                SecurityCmd_SupportedGet = 0x02,
                SecurityCmd_SupportedReport = 0x03,
                SecurityCmd_SchemeGet = 0x04,
                SecurityCmd_SchemeReport = 0x05,
                SecurityCmd_NetworkKeySet = 0x06,
                SecurityCmd_NetworkKeyVerify = 0x07,
                SecurityCmd_SchemeInherit = 0x08,
                SecurityCmd_NonceGet = 0x40,
                SecurityCmd_NonceReport = 0x80,
                SecurityCmd_MessageEncap = 0x81,
                SecurityCmd_MessageEncapNonceGet = 0xc1
            };

            enum SecurityScheme
            {
                SecurityScheme_Zero = 0x00,
            };

            class Security: public CommandClass
            {
                public:
                    static CommandClass* Create(uint32 const _homeId, uint8 const _nodeId)
                    {
                        return new Security(_homeId, _nodeId);
                    }
                    virtual ~Security();

                    static uint8 const StaticGetCommandClassId()
                    {
                        return 0x98;
                    }
                    static string const StaticGetCommandClassName()
                    {
                        return "COMMAND_CLASS_SECURITY";
                    }
                    bool Init(uint32 const _instance = 1);
                    bool ExchangeNetworkKeys();
                    // From CommandClass
                    bool RequestState(uint32 const _requestFlags, uint8 const _instance, Driver::MsgQueue const _queue) override;
                    bool RequestValue(uint32 const _requestFlags, uint16 const _index, uint8 const _instance, Driver::MsgQueue const _queue) override;
                    virtual uint8 const GetCommandClassId() const override
                    {
                        return StaticGetCommandClassId();
                    }
                    virtual string const GetCommandClassName() const override
                    {
                        return StaticGetCommandClassName();
                    }
                    virtual bool HandleMsg(uint8 const* _data, uint32 const _length, uint32 const _instance = 1) override;
                    void SendMsg(Msg* _msg);

                protected:
                    void CreateVars(uint8 const _instance) override;

                private:
                    Security(uint32 const _homeId, uint8 const _nodeId);
                    bool HandleSupportedReport(uint8 const* _data, uint32 const _length, uint32 const _instance = 1);

                    bool m_schemeagreed;
                    bool m_secured[255];

            };
        } // namespace CC
    } // namespace Internal
} // namespace OpenZWave

#endif