Tasmota/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_aes.h
2021-03-11 14:48:59 +01:00

83 lines
2.4 KiB
C

/*
* ESPRESSIF MIT License
*
* Copyright (c) 2020 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
*
* Permission is hereby granted for use on ESPRESSIF SYSTEMS products only, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef ESP_MFI_AES_H_
#define ESP_MFI_AES_H_
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MFI_AES_CTR_SIZE 16
typedef void* esp_mfi_aes_ctr_t;
/**
* @brief Create AES context
*
* @return pointer of the AES context
*/
esp_mfi_aes_ctr_t esp_mfi_aes_ctr_new(void);
/**
* @brief Initialize AES context, including the key and nonce
*
* @param incontext pointer of the AES context
* @param inkey AES key
* @param innonce AES nonce
*
* @return
* - 0 : succeed
* - others : fail
*/
int esp_mfi_aes_ctr_init(esp_mfi_aes_ctr_t incontext, const uint8_t inkey[MFI_AES_CTR_SIZE], const uint8_t innonce[MFI_AES_CTR_SIZE]);
/**
* @brief Update AES context
*
* @param incontext AES context point
* @param insrc pointer of the source data to be updated
* @param insrclen source data length
* @param indst pointer of the updated data
*
* @return
* - 0 : succeed
* - others : fail
*/
int esp_mfi_aes_ctr_update(esp_mfi_aes_ctr_t incontext, const void *insrc, uint16_t insrclen, void *indst);
/**
* @brief Destroy AES context pointer
*
* @param incontext pointer of the AES context
*/
void esp_mfi_aes_ctr_final(esp_mfi_aes_ctr_t incontext);
#ifdef __cplusplus
}
#endif
#endif /* ESP_MFI_AES_H_ */