cc3xx_ecdh_util.h

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/*
 * Copyright (c) 2021, Arm Limited. All rights reserved.
 * Copyright (c) 2026 Nordic Semiconductor ASA.
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 *
 */
 
#ifndef CC3XX_ECDH_UTIL_H
#define CC3XX_ECDH_UTIL_H
 
#include "psa/crypto.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
psa_status_t cc3xx_ecdh_calc_secret_wrst(
    psa_ecc_family_t curve,
    psa_key_bits_t key_bits,
    const uint8_t *priv_key, size_t priv_key_size,
    const uint8_t *publ_key, size_t publ_key_size,
    uint8_t *secret, size_t secret_size, size_t *secret_length);
 
psa_status_t cc3xx_ecdh_calc_secret_mont(
        const uint8_t *priv_key, size_t priv_key_size,
        const uint8_t *publ_key, size_t publ_key_size,
        uint8_t *secret, size_t *secret_size);
 
#ifdef __cplusplus
}
#endif
#endif /* CC3XX_ECDH_UTIL_H */