ocrypto_ecjpake_p256.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_ECJPAKE_P256_H
#define OCRYPTO_ECJPAKE_P256_H
 
#include <stddef.h>
#include <stdint.h>
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
int ocrypto_ecjpake_get_public_key(
    uint8_t X[64],
    const uint8_t G[64],
    const uint8_t x[32]);
 
void ocrypto_ecjpake_get_zkp_hash(
    uint8_t hash[32],
    const uint8_t X[64],
    const uint8_t V[64],
    const uint8_t G[64],
    const char *id, size_t id_len);
 
int ocrypto_ecjpake_zkp_sign(
    uint8_t r[32],
    const uint8_t x[32],
    const uint8_t v[32],
    const uint8_t *hash,
    size_t hash_len);
    
int ocrypto_ecjpake_zkp_verify(
    const uint8_t G[64],
    const uint8_t X[64],
    const uint8_t V[64],
    const uint8_t r[32],
    const uint8_t *hash,
    size_t hash_len);
 
int ocrypto_ecjpake_get_key(
    uint8_t X[64],
    uint8_t V[64],
    uint8_t r[32],
    const uint8_t G[64],
    const uint8_t x[32],
    const uint8_t v[32],
    const char *id, size_t id_len);
 
int ocrypto_ecjpake_verify_key(
    const uint8_t G[64],
    const uint8_t X[64],
    const uint8_t V[64],
    const uint8_t r[32],
    const char *id, size_t id_len);
 
 
int ocrypto_ecjpake_get_generator(
    uint8_t G[64],
    const uint8_t X1[64],
    const uint8_t X2[64],
    const uint8_t X3[64]);
 
void ocrypto_ecjpake_read_shared_secret(
    uint8_t rs[32],
    const uint8_t *secret, size_t secret_len);
 
int ocrypto_ecjpake_process_shared_secret(
    uint8_t xs[32],
    const uint8_t x2[32],
    const uint8_t rs[32]);
 
int ocrypto_ecjpake_get_premaster_secret_key(
    uint8_t secret[64],
    const uint8_t Xr[64],
    const uint8_t X2[64],
    const uint8_t xs[32],
    const uint8_t x2[32]);
 
int ocrypto_ecjpake_get_premaster_secret(
    uint8_t secret[32],
    const uint8_t Xr[64],
    const uint8_t X2[64],
    const uint8_t xs[32],
    const uint8_t x2[32]);
 
 
#ifdef __cplusplus
}
#endif
 
#endif