symmetric_authentication.c File Reference

Contains API for performing the symmetric Authentication between the Host and the device. More...

#include "cryptoauthlib.h"
#include "host/atca_host.h"
#include "symmetric_authentication.h"

Functions
ATCA_STATUS	symmetric_authenticate (uint8_t slot, const uint8_t *master_key, const uint8_t *rand_number)
	Function which does the authentication between the host and device.

Detailed Description

Contains API for performing the symmetric Authentication between the Host and the device.

Copyright

(c) 2015-2020 Microchip Technology Inc. and its subsidiaries.

Function Documentation

symmetric_authenticate()

ATCA_STATUS symmetric_authenticate	(	uint8_t	slot,
		const uint8_t *	master_key,
		const uint8_t *	rand_number
	)

Function which does the authentication between the host and device.

Parameters

[in]	slot	The slot number used for the symmetric authentication.
[in]	master_key	The master key used for the calculating the symmetric key.
[in]	rand_number	The 20 byte rand_number from the host.

Returns

ATCA_SUCCESS on successful authentication, otherwise an error code.