nrf_802154_aes_ccm.h

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/*
 * Copyright (c) 2021, Nordic Semiconductor ASA
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#ifndef NRF_802154_AES_CCM_H_
#define NRF_802154_AES_CCM_H_
 
#include <stdbool.h>
#include <stdint.h>
 
#include "nrf_802154_const.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define NRF_802154_AES_CCM_L_VALUE    2                                 // Annex B3.2 Mode of operation d)
#define NRF_802154_AES_CCM_NONCE_SIZE (15 - NRF_802154_AES_CCM_L_VALUE) // Annex B4.1 CCM* mode encryption and authentication transformation b)

typedef struct
{
    uint8_t   key[AES_CCM_KEY_SIZE];                
    uint8_t * auth_data;                            
    uint64_t  auth_data_len;                        
    uint8_t * plain_text_data;                      
    uint8_t   plain_text_data_len;                  
    uint8_t   nonce[NRF_802154_AES_CCM_NONCE_SIZE]; 
    uint8_t   mic_level;                            
    uint8_t * raw_frame;                            
} nrf_802154_aes_ccm_data_t;

void nrf_802154_aes_ccm_transform_reset(void);

bool nrf_802154_aes_ccm_transform_prepare(const nrf_802154_aes_ccm_data_t * p_aes_ccm_data);

void nrf_802154_aes_ccm_transform_start(uint8_t * p_frame);

void nrf_802154_aes_ccm_transform_abort(uint8_t * p_frame);
 
#endif // NRF_802154_AES_CCM_H_