/** * \file * * \brief Provides api interfaces to use with ATSHA206A device. * * \copyright (c) 2015-2020 Microchip Technology Inc. and its subsidiaries. * * \page License * * Subject to your compliance with these terms, you may use Microchip software * and any derivatives exclusively with Microchip products. It is your * responsibility to comply with third party license terms applicable to your * use of third party software (including open source software) that may * accompany Microchip software. * * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER * EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A * PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, * SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE * OF ANY KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF * MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE * FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL * LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED * THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR * THIS SOFTWARE. */ #ifndef API_206A_H #define API_206A_H #ifdef __cplusplus extern "C" { #endif #include "atca_status.h" #include "atca_command.h" #define ATCA_SHA206A_ZONE_WRITE_LOCK 0x20 #define ATCA_SHA206A_DKEY_CONSUMPTION_MASK 0x01 #define ATCA_SHA206A_PKEY_CONSUMPTION_MASK 0x02 #define ATCA_SHA206A_SYMMETRIC_KEY_ID_SLOT 0X07 enum { SHA206A_DATA_STORE0=8, SHA206A_DATA_STORE1, SHA206A_DATA_STORE2, }; ATCA_STATUS sha206a_diversify_parent_key(uint8_t* parent_key, uint8_t* diversified_key); ATCA_STATUS sha206a_generate_derive_key(uint8_t* parent_key, uint8_t* derived_key, uint8_t param1, uint16_t param2); ATCA_STATUS sha206a_generate_challenge_response_pair(uint8_t* key, uint8_t* challenge, uint8_t* response); ATCA_STATUS sha206a_authenticate(uint8_t* challenge, uint8_t* expected_response, uint8_t* is_authenticated); ATCA_STATUS sha206a_verify_device_consumption(uint8_t* is_consumed); ATCA_STATUS sha206a_check_dk_useflag_validity(uint8_t* is_valid); ATCA_STATUS sha206a_check_pk_useflag_validity(uint8_t* is_valid); ATCA_STATUS sha206a_get_dk_useflag_count(uint8_t* dk_available_count); ATCA_STATUS sha206a_get_pk_useflag_count(uint8_t* pk_available_count); ATCA_STATUS sha206a_get_dk_update_count(uint8_t* dk_update_count); ATCA_STATUS sha206a_write_data_store(uint8_t slot, uint8_t* data, uint8_t block, uint8_t offset, uint8_t len, bool lock_after_write); ATCA_STATUS sha206a_read_data_store(uint8_t slot, uint8_t* data, uint8_t offset, uint8_t len); ATCA_STATUS sha206a_get_data_store_lock_status(uint8_t slot, uint8_t* is_locked); #ifdef __cplusplus } #endif #endif