eddh448base.h

/* 2020-2026 Quantum Resistant Cryptographic Solutions Corporation
 * All Rights Reserved.
 *
 * NOTICE: See ed448.h for full license text.
 *
 * Written by: John G. Underhill
 * Contact: contact@qrcscorp.ca
 */
 
#ifndef QSC_ECDH448BASE_H
#define QSC_ECDH448BASE_H
 
#include "qsccommon.h"
 
/* \cond NO_DOCUMENT */
 
QSC_CPLUSPLUS_ENABLED_START


#define QSC_X448_PUBLICKEY_SIZE 56U

#define QSC_X448_PRIVATEKEY_SIZE 56U

#define QSC_X448_SECRET_SIZE 56U

void qsc_crypto_scalarmult_curve448_ref10_base(uint8_t* q, const uint8_t* n);

void qsc_crypto_scalarmult_curve448_ref10(uint8_t* r, const uint8_t* n, const uint8_t* q);

void qsc_crypto_sc448_clamp(uint8_t* k);

void qsc_crypto_scalarmult_curve448(uint8_t* q, const uint8_t* n, const uint8_t* p);

void qsc_x448_generate_keypair(uint8_t* publickey, uint8_t* privatekey, bool (*rng_generate)(uint8_t*, size_t));

void qsc_x448_generate_seeded_keypair(uint8_t* publickey, uint8_t* privatekey, const uint8_t* seed);

bool qsc_x448_key_exchange(uint8_t* secret, const uint8_t* publickey, const uint8_t* privatekey);
 
QSC_CPLUSPLUS_ENABLED_END
 
/* \endcond NO_DOCUMENT */
 
#endif