LoRaMacCrypto.h

00001 #include <stdint.h>
00002 
00003 #define LORA_EUI_LENGTH        8
00004 #define UP_LINK                0
00005 #define DOWN_LINK              1
00006 
00007 typedef struct {
00008     uint8_t AppSKey[16];
00009     uint8_t FNwkSIntKey[16];
00010     uint8_t SNwkSIntKey[16];
00011     uint8_t NwkSEncKey[16];
00012 } skey_t;
00013 
00014 typedef union {
00015     struct {
00016         uint8_t header;
00017         uint16_t confFCnt;
00018         uint8_t dr;
00019         uint8_t ch;
00020         uint8_t dir;
00021         uint32_t DevAddr;
00022         uint32_t FCnt;
00023         uint8_t zero8;
00024         uint8_t lenMsg;
00025     } __attribute__((packed)) b;
00026     uint8_t octets[16];
00027 } block_t;
00028 
00029 void LoRaMacEncrypt( uint8_t ctr, const uint8_t *buffer, uint16_t size, const uint8_t *key, uint32_t address, uint8_t dir, uint32_t sequenceCounter, uint8_t *encBuffer );
00030 //void LoRaMacComputeMic( bool OptNeg, const uint8_t *buffer, uint16_t size, skey_t* kptr, uint32_t address, uint8_t dir, uint32_t sequenceCounter, uint16_t ConfFCnt, uint8_t dr, uint8_t ch, uint32_t *mic );
00031 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 );
00032 uint32_t LoRaMacComputeMic( const block_t* block, const uint8_t* pktPayload, const uint8_t* key);
00033 #ifdef LORAWAN_JOIN_EUI
00034 void LoRaMacGenerateJoinKey(uint8_t token, const uint8_t* root_key, const uint8_t* devEui, uint8_t* output);
00035 int LoRaMacJoinComputeMic(bool verbose, const uint8_t *buffer, uint16_t size, const uint8_t *key, uint32_t *mic );
00036 void LoRaMacJoinDecrypt( const uint8_t *buffer, uint16_t size, const uint8_t *key, uint8_t *decBuffer );
00037 void LoRaMacJoinComputeSKeys_1v0( const uint8_t *root_key, const uint8_t *ja_rx, uint16_t devNonce, skey_t* keys);
00038 void LoRaMacJoinComputeSKeys_1v1( const uint8_t *nwk_root_key, const uint8_t *app_root_key, const uint8_t *joinNonce, const uint8_t *joinEUI, uint16_t devNonce, skey_t* keys);
00039 #endif /* LORAWAN_JOIN_EUI */
00040 void LoRaMacCryptoInit(void);