/* ERROR CODES TO BE USED IN RIOT */

#define RIOTSTATUS			int
#define RIOTSUCCESS			1
#define RIOTFAILURE			0
#define RIOTFILENOTFOUND	-1
#define	RIOTINPUTERROR		-2
#define RIOTOUTPUTERROR		-3
#define RIOTINVALIDSTATE	-4





/* CONSTANTS TO BE USED IN RIOT */
/* ALL NUMBERS ARE IN BYTES */

#define SHA256_DGST_SIZE 	32
#define UDS_SIZE			8
#define UDS_DGST_SIZE		SHA256_DGST_SIZE
#define FW_DGST_SIZE		SHA256_DGST_SIZE
#define CDI_DGST_SIZE		SHA256_DGST_SIZE
#define CDI_KEY_SIZE		32
#define HKDF_ALG			MBEDTLS_MD_SHA256
#define ECC_CURVE			MBEDTLS_ECP_DP_SECP256R1	//mbedtls_ecp_group_id
#define RSA_HASH_ID			MBEDTLS_MD_SHA256 




/* CONFIGURATIONS */

#define USE_ECC			1
#define USE_HW_TRNG		0



#define SW_PRNG 	0
#define HW_TRNG 	1
#define DETERM 		2





/* SPECIFIC AND SPECIAL VALUES */
/* DO NOT CHANGE THIS BLOCK */

#define ACCUM_BUFF_OFFSET	2
#define ENTROPY_LEN			32


/* typedes */

typedef struct
{
	/*
	Use this typedef to define settings and vlaues to be passed to deriveECCKeyPair()
	To be used or exchanging data between ROM and FW
	*/

	mbedtls_mpi 			secret;			//Private key holder
    mbedtls_ecp_point 		Public;			//Public key holder
    int 					ENT_MODE;		//0 - SW_PRNG, 1 - HW_TRNG, 2 - DETERM, 
    int 					PKC_MODE;		// isECC, 1 = ECC, 0= RSA
    const uint8_t * 		seed;			//To seed
    const char *			phrase;			//Session string
} KeyDrv_context;