Mbed OS Reference | crys_ec_edw_api.h File Reference

This file contains the CRYS APIs used for EC EDW (Edwards) ed25519 algorithms. More...

#include "ssi_pal_types.h"
#include "crys_hash.h"
#include "crys_rnd.h"
#include "crys_pka_defs_hw.h"

Macros
#define	CRYS_ECEDW_MOD_SIZE_IN_BITS 255U

#define	CRYS_ECEDW_ORD_SIZE_IN_BITS 255U

#define	CRYS_ECEDW_MOD_SIZE_IN_32BIT_WORDS ((CRYS_ECEDW_MOD_SIZE_IN_BITS + SASI_BITS_IN_32BIT_WORD - 1) / SASI_BITS_IN_32BIT_WORD)

#define	CRYS_ECEDW_MOD_SIZE_IN_BYTES (CRYS_ECEDW_MOD_SIZE_IN_32BIT_WORDS * SASI_32BIT_WORD_SIZE)

#define	CRYS_ECEDW_ORD_SIZE_IN_32BIT_WORDS ((CRYS_ECEDW_ORD_SIZE_IN_BITS + SASI_BITS_IN_32BIT_WORD - 1) / SASI_BITS_IN_32BIT_WORD)

#define	CRYS_ECEDW_ORD_SIZE_IN_BYTES (CRYS_ECEDW_ORD_SIZE_IN_32BIT_WORDS * SASI_32BIT_WORD_SIZE)

#define	CRYS_ECEDW_SEED_BYTES CRYS_ECEDW_MOD_SIZE_IN_BYTES

#define	CRYS_ECEDW_SECRET_KEY_BYTES (2 * CRYS_ECEDW_MOD_SIZE_IN_BYTES)

#define	CRYS_ECEDW_SIGNATURE_BYTES (2 * CRYS_ECEDW_ORD_SIZE_IN_BYTES)

#define	CRYS_ECEDW_SCALAR_BYTES CRYS_ECEDW_ORD_SIZE_IN_BYTES

#define	CRYS_ECEDW_SCALARMULT_BYTES CRYS_ECEDW_MOD_SIZE_IN_BYTES

#define	CRYS_ECEDW_TEMP_BUFF_SIZE_IN_32BIT_WORD (10*CRYS_EC_MONT_EDW_MODULUS_MAX_SIZE_IN_WORDS + (sizeof(CRYS_HASHUserContext_t)+SASI_32BIT_WORD_SIZE-1)/SASI_32BIT_WORD_SIZE)

Functions
CRYSError_t	CRYS_ECEDW_Sign (uint8_t pSign, size_t pSignSize, const uint8_t pMsg, size_t msgSize, const uint8_t pSignSecrKey, size_t secrKeySize, CRYS_ECEDW_TempBuff_t *pTempBuff)
	The function creates EC Edwards signature on the message. More...

CRYSError_t	CRYS_ECEDW_Verify (const uint8_t pSign, size_t signSize, const uint8_t pSignPublKey, size_t publKeySize, uint8_t pMsg, size_t msgSize, CRYS_ECEDW_TempBuff_t pTempBuff)
	The function verifies the EC Edwards ed25519 signature on the message. More...

CRYSError_t	CRYS_ECEDW_SeedKeyPair (const uint8_t pSeed, size_t seedSize, uint8_t pSecrKey, size_t pSecrKeySize, uint8_t pPublKey, size_t pPublKeySize, CRYS_ECEDW_TempBuff_t pTempBuff)
	The function randomly generates Ec ed25519 private and public keys using given seed. The generation is performed using EC Edwards ed25519 algorithm. More...

CRYSError_t	CRYS_ECEDW_KeyPair (uint8_t pSecrKey, size_t pSecrKeySize, uint8_t pPublKey, size_t pPublKeySize, void pRndState, SaSiRndGenerateVectWorkFunc_t rndGenerateVectFunc, CRYS_ECEDW_TempBuff_t pTempBuff)
	The function randomly generates the EC Edwards ed25519 private and public keys. The generation is performed using EC Edwards ed25519 algorithm. More...

Detailed Description

This file contains the CRYS APIs used for EC EDW (Edwards) ed25519 algorithms.

Definition in file crys_ec_edw_api.h.