to be used with the DSPLoRa module (minor changes wrt transmit power)
Fork of LoRaWAN-lib by
LoRaMacCrypto.h
- Committer:
- mluis
- Date:
- 2015-10-20
- Revision:
- 0:91d1a7783bb9
- Child:
- 2:14a5d6ad92d5
File content as of revision 0:91d1a7783bb9:
/* / _____) _ | | ( (____ _____ ____ _| |_ _____ ____| |__ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| (C)2013 Semtech Description: LoRa MAC layer implementation License: Revised BSD License, see LICENSE.TXT file include in the project Maintainer: Miguel Luis and Gregory Cristian */ #ifndef __LORAMAC_CRYPTO_H__ #define __LORAMAC_CRYPTO_H__ /*! * Copies size elements of src array to dst array * * \remark STM32 Standard memcpy function only works on pointers that are aligned * * \param [IN] src Source array * \param [OUT] dst Destination array * \param [IN] size Number of bytes to be copied */ #define LoRaMacMemCpy( src, dst, size ) memcpy1( dst, src, size ) /*! * Computes the LoRaMAC frame MIC field * * \param [IN] buffer Data buffer * \param [IN] size Data buffer size * \param [IN] key AES key to be used * \param [IN] address Frame address * \param [IN] dir Frame direction [0: uplink, 1: downlink] * \param [IN] sequenceCounter Frame sequence counter * \param [OUT] mic Computed MIC field */ void LoRaMacComputeMic( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint32_t address, uint8_t dir, uint32_t sequenceCounter, uint32_t *mic ); /*! * Computes the LoRaMAC payload encryption * * \param [IN] buffer Data buffer * \param [IN] size Data buffer size * \param [IN] key AES key to be used * \param [IN] address Frame address * \param [IN] dir Frame direction [0: uplink, 1: downlink] * \param [IN] sequenceCounter Frame sequence counter * \param [OUT] encBuffer Encrypted buffer */ void LoRaMacPayloadEncrypt( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint32_t address, uint8_t dir, uint32_t sequenceCounter, uint8_t *encBuffer ); /*! * Computes the LoRaMAC payload decryption * * \param [IN] buffer Data buffer * \param [IN] size Data buffer size * \param [IN] key AES key to be used * \param [IN] address Frame address * \param [IN] dir Frame direction [0: uplink, 1: downlink] * \param [IN] sequenceCounter Frame sequence counter * \param [OUT] decBuffer Decrypted buffer */ void LoRaMacPayloadDecrypt( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint32_t address, uint8_t dir, uint32_t sequenceCounter, uint8_t *decBuffer ); /*! * Computes the LoRaMAC Join Request frame MIC field * * \param [IN] buffer Data buffer * \param [IN] size Data buffer size * \param [IN] key AES key to be used * \param [OUT] mic Computed MIC field */ void LoRaMacJoinComputeMic( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint32_t *mic ); /*! * Computes the LoRaMAC join frame decryption * * \param [IN] buffer Data buffer * \param [IN] size Data buffer size * \param [IN] key AES key to be used * \param [OUT] decBuffer Decrypted buffer */ void LoRaMacJoinDecrypt( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint8_t *decBuffer ); /*! * Computes the LoRaMAC join frame decryption * * \param [IN] key AES key to be used * \param [IN] appNonce Application nonce * \param [IN] devNonce Device nonce * \param [OUT] nwkSKey Network session key * \param [OUT] appSKey Application session key */ void LoRaMacJoinComputeSKeys( const uint8_t *key, const uint8_t *appNonce, uint16_t devNonce, uint8_t *nwkSKey, uint8_t *appSKey ); #endif // __LORAMAC_CRYPTO_H__