124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
/*!
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* \file LoRaMacCryptoNvm.h
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*
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* \brief LoRa MAC layer cryptographic NVM data.
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*
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* \copyright Revised BSD License, see section \ref LICENSE.
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*
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* \code
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* ______ _
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* / _____) _ | |
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* ( (____ _____ ____ _| |_ _____ ____| |__
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* \____ \| ___ | (_ _) ___ |/ ___) _ \
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* _____) ) ____| | | || |_| ____( (___| | | |
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* (______/|_____)_|_|_| \__)_____)\____)_| |_|
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* (C)2013-2017 Semtech
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*
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* ___ _____ _ ___ _ _____ ___ ___ ___ ___
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* / __|_ _/_\ / __| |/ / __/ _ \| _ \/ __| __|
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* \__ \ | |/ _ \ (__| ' <| _| (_) | / (__| _|
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* |___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
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* embedded.connectivity.solutions===============
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*
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* \endcode
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*
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* \author Miguel Luis ( Semtech )
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*
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* \author Daniel Jaeckle ( STACKFORCE )
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*
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* addtogroup LORAMAC
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* \{
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*
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*/
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#ifndef __LORAMAC_CRYPTO_NVM_H__
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#define __LORAMAC_CRYPTO_NVM_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "utilities.h"
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#include "LoRaMacTypes.h"
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/*!
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* LoRaWAN Frame counter list.
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*/
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typedef struct sFCntList
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{
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/*!
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* Uplink frame counter which is incremented with each uplink.
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*/
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uint32_t FCntUp;
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/*!
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* Network downlink frame counter which is incremented with each downlink on FPort 0
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* or when the FPort field is missing.
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*/
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uint32_t NFCntDown;
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/*!
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* Application downlink frame counter which is incremented with each downlink
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* on a port different than 0.
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*/
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uint32_t AFCntDown;
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/*!
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* In case if the device is connected to a LoRaWAN 1.0 Server,
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* this counter is used for every kind of downlink frame.
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*/
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uint32_t FCntDown;
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/*!
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* Multicast downlink counters
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*/
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uint32_t McFCntDown[LORAMAC_MAX_MC_CTX];
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#if (defined( LORAMAC_VERSION ) && ( LORAMAC_VERSION == 0x01010100 ))
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/*!
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* RJcount1 is a counter incremented with every Rejoin request Type 1
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* frame transmitted.
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*/
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uint16_t RJcount1;
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#endif /* LORAMAC_VERSION */
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}FCntList_t;
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/*!
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* LoRaMac Crypto Non Volatile Context structure
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*/
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typedef struct sLoRaMacCryptoNvmData
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{
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/*!
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* Stores the information if the device is connected to a LoRaWAN network
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* server with prior to 1.1.0 implementation.
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*/
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Version_t LrWanVersion;
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/*!
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* Device nonce is a counter starting at 0 when the device is initially
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* powered up and incremented with every JoinRequest.
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*/
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uint16_t DevNonce;
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/*!
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* JoinNonce is a device specific counter value (that never repeats itself)
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* provided by the join server and incremented with every JoinAccept message.
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*/
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uint32_t JoinNonce;
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/*!
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* Frame counter list
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*/
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FCntList_t FCntList;
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/*!
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* LastDownFCnt stores the information which frame counter was used to
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* decrypt the last frame. This information is needed to compute ConfFCnt in
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* B1 block for the MIC.
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*/
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uint32_t LastDownFCnt;
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/*!
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* CRC32 value of the Crypto data structure.
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*/
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uint32_t Crc32;
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}LoRaMacCryptoNvmData_t;
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/*! \} addtogroup LORAMAC */
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#ifdef __cplusplus
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}
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#endif
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#endif // __LORAMAC_CRYPTO_NVM_H__
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