Semtech stack for ELMO - ver. 4.1.0.
Fork of LoRaWAN_Semtech_stack_v4.1 by
mac/LoRaMacCrypto.h@0:c58229885f95, 2015-12-16 (annotated)
- Committer:
- mleksio
- Date:
- Wed Dec 16 14:25:16 2015 +0000
- Revision:
- 0:c58229885f95
- Child:
- 1:2be292bd43f9
first commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mleksio | 0:c58229885f95 | 1 | /* |
mleksio | 0:c58229885f95 | 2 | / _____) _ | | |
mleksio | 0:c58229885f95 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
mleksio | 0:c58229885f95 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
mleksio | 0:c58229885f95 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
mleksio | 0:c58229885f95 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
mleksio | 0:c58229885f95 | 7 | (C)2013 Semtech |
mleksio | 0:c58229885f95 | 8 | Description: LoRa MAC layer implementation |
mleksio | 0:c58229885f95 | 9 | License: Revised BSD License, see LICENSE.TXT file include in the project |
mleksio | 0:c58229885f95 | 10 | Maintainer: Miguel Luis and Gregory Cristian |
mleksio | 0:c58229885f95 | 11 | */ |
mleksio | 0:c58229885f95 | 12 | #ifndef __LORAMAC_CRYPTO_H__ |
mleksio | 0:c58229885f95 | 13 | #define __LORAMAC_CRYPTO_H__ |
mleksio | 0:c58229885f95 | 14 | |
mleksio | 0:c58229885f95 | 15 | /*! |
mleksio | 0:c58229885f95 | 16 | * Copies size elements of src array to dst array |
mleksio | 0:c58229885f95 | 17 | * |
mleksio | 0:c58229885f95 | 18 | * \remark STM32 Standard memcpy function only works on pointers that are aligned |
mleksio | 0:c58229885f95 | 19 | * |
mleksio | 0:c58229885f95 | 20 | * \param [IN] src Source array |
mleksio | 0:c58229885f95 | 21 | * \param [OUT] dst Destination array |
mleksio | 0:c58229885f95 | 22 | * \param [IN] size Number of bytes to be copied |
mleksio | 0:c58229885f95 | 23 | */ |
mleksio | 0:c58229885f95 | 24 | #define LoRaMacMemCpy( src, dst, size ) memcpy1( dst, src, size ) |
mleksio | 0:c58229885f95 | 25 | |
mleksio | 0:c58229885f95 | 26 | /*! |
mleksio | 0:c58229885f95 | 27 | * Computes the LoRaMAC frame MIC field |
mleksio | 0:c58229885f95 | 28 | * |
mleksio | 0:c58229885f95 | 29 | * \param [IN] buffer Data buffer |
mleksio | 0:c58229885f95 | 30 | * \param [IN] size Data buffer size |
mleksio | 0:c58229885f95 | 31 | * \param [IN] key AES key to be used |
mleksio | 0:c58229885f95 | 32 | * \param [IN] address Frame address |
mleksio | 0:c58229885f95 | 33 | * \param [IN] dir Frame direction [0: uplink, 1: downlink] |
mleksio | 0:c58229885f95 | 34 | * \param [IN] sequenceCounter Frame sequence counter |
mleksio | 0:c58229885f95 | 35 | * \param [OUT] mic Computed MIC field |
mleksio | 0:c58229885f95 | 36 | */ |
mleksio | 0:c58229885f95 | 37 | 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 ); |
mleksio | 0:c58229885f95 | 38 | |
mleksio | 0:c58229885f95 | 39 | /*! |
mleksio | 0:c58229885f95 | 40 | * Computes the LoRaMAC payload encryption |
mleksio | 0:c58229885f95 | 41 | * |
mleksio | 0:c58229885f95 | 42 | * \param [IN] buffer Data buffer |
mleksio | 0:c58229885f95 | 43 | * \param [IN] size Data buffer size |
mleksio | 0:c58229885f95 | 44 | * \param [IN] key AES key to be used |
mleksio | 0:c58229885f95 | 45 | * \param [IN] address Frame address |
mleksio | 0:c58229885f95 | 46 | * \param [IN] dir Frame direction [0: uplink, 1: downlink] |
mleksio | 0:c58229885f95 | 47 | * \param [IN] sequenceCounter Frame sequence counter |
mleksio | 0:c58229885f95 | 48 | * \param [OUT] encBuffer Encrypted buffer |
mleksio | 0:c58229885f95 | 49 | */ |
mleksio | 0:c58229885f95 | 50 | 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 ); |
mleksio | 0:c58229885f95 | 51 | |
mleksio | 0:c58229885f95 | 52 | /*! |
mleksio | 0:c58229885f95 | 53 | * Computes the LoRaMAC payload decryption |
mleksio | 0:c58229885f95 | 54 | * |
mleksio | 0:c58229885f95 | 55 | * \param [IN] buffer Data buffer |
mleksio | 0:c58229885f95 | 56 | * \param [IN] size Data buffer size |
mleksio | 0:c58229885f95 | 57 | * \param [IN] key AES key to be used |
mleksio | 0:c58229885f95 | 58 | * \param [IN] address Frame address |
mleksio | 0:c58229885f95 | 59 | * \param [IN] dir Frame direction [0: uplink, 1: downlink] |
mleksio | 0:c58229885f95 | 60 | * \param [IN] sequenceCounter Frame sequence counter |
mleksio | 0:c58229885f95 | 61 | * \param [OUT] decBuffer Decrypted buffer |
mleksio | 0:c58229885f95 | 62 | */ |
mleksio | 0:c58229885f95 | 63 | 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 ); |
mleksio | 0:c58229885f95 | 64 | |
mleksio | 0:c58229885f95 | 65 | /*! |
mleksio | 0:c58229885f95 | 66 | * Computes the LoRaMAC Join Request frame MIC field |
mleksio | 0:c58229885f95 | 67 | * |
mleksio | 0:c58229885f95 | 68 | * \param [IN] buffer Data buffer |
mleksio | 0:c58229885f95 | 69 | * \param [IN] size Data buffer size |
mleksio | 0:c58229885f95 | 70 | * \param [IN] key AES key to be used |
mleksio | 0:c58229885f95 | 71 | * \param [OUT] mic Computed MIC field |
mleksio | 0:c58229885f95 | 72 | */ |
mleksio | 0:c58229885f95 | 73 | void LoRaMacJoinComputeMic( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint32_t *mic ); |
mleksio | 0:c58229885f95 | 74 | |
mleksio | 0:c58229885f95 | 75 | /*! |
mleksio | 0:c58229885f95 | 76 | * Computes the LoRaMAC join frame decryption |
mleksio | 0:c58229885f95 | 77 | * |
mleksio | 0:c58229885f95 | 78 | * \param [IN] buffer Data buffer |
mleksio | 0:c58229885f95 | 79 | * \param [IN] size Data buffer size |
mleksio | 0:c58229885f95 | 80 | * \param [IN] key AES key to be used |
mleksio | 0:c58229885f95 | 81 | * \param [OUT] decBuffer Decrypted buffer |
mleksio | 0:c58229885f95 | 82 | */ |
mleksio | 0:c58229885f95 | 83 | void LoRaMacJoinDecrypt( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint8_t *decBuffer ); |
mleksio | 0:c58229885f95 | 84 | |
mleksio | 0:c58229885f95 | 85 | /*! |
mleksio | 0:c58229885f95 | 86 | * Computes the LoRaMAC join frame decryption |
mleksio | 0:c58229885f95 | 87 | * |
mleksio | 0:c58229885f95 | 88 | * \param [IN] key AES key to be used |
mleksio | 0:c58229885f95 | 89 | * \param [IN] appNonce Application nonce |
mleksio | 0:c58229885f95 | 90 | * \param [IN] devNonce Device nonce |
mleksio | 0:c58229885f95 | 91 | * \param [OUT] nwkSKey Network session key |
mleksio | 0:c58229885f95 | 92 | * \param [OUT] appSKey Application session key |
mleksio | 0:c58229885f95 | 93 | */ |
mleksio | 0:c58229885f95 | 94 | void LoRaMacJoinComputeSKeys( const uint8_t *key, const uint8_t *appNonce, uint16_t devNonce, uint8_t *nwkSKey, uint8_t *appSKey ); |
mleksio | 0:c58229885f95 | 95 | |
mleksio | 0:c58229885f95 | 96 | #endif // __LORAMAC_CRYPTO_H__ |