ocrypto_curve25519.h

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/*
 * Copyright (c) 2016 - 2025 Nordic Semiconductor ASA
 * Copyright (c) since 2013 Oberon microsystems AG
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
 
#ifndef OCRYPTO_CURVE25519_H
#define OCRYPTO_CURVE25519_H
 
#include "ocrypto_types_25519.h"
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
#define ocrypto_curve25519_SCALAR_BYTES (32)
 
#define ocrypto_curve25519_BYTES (32)
 
 
void ocrypto_curve25519_scalarmult_base(
    uint8_t r[ocrypto_curve25519_BYTES],
    const uint8_t n[ocrypto_curve25519_SCALAR_BYTES]);
 
void ocrypto_curve25519_scalarmult(
    uint8_t r[ocrypto_curve25519_BYTES],
    const uint8_t n[ocrypto_curve25519_SCALAR_BYTES],
    const uint8_t p[ocrypto_curve25519_BYTES]);
 
 
void ocrypto_curve25519_scalarmult_base_ctx(
    ocrypto_curve25519_ctx *ctx,
    uint8_t r[ocrypto_curve25519_BYTES],
    const uint8_t n[ocrypto_curve25519_SCALAR_BYTES]);
 
void ocrypto_curve25519_scalarmult_ctx(
    ocrypto_curve25519_ctx *ctx,
    uint8_t r[ocrypto_curve25519_BYTES],
    const uint8_t n[ocrypto_curve25519_SCALAR_BYTES],
    const uint8_t p[ocrypto_curve25519_BYTES]);
 
#ifdef __cplusplus
}
#endif
 
#endif