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/*
* Copyright 2015-2018 Yubico AB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* ecdh.h
**
** Implements platform specific ECDH operations
*/
#ifndef _YUBICOM_ECDH_H_
#define _YUBICOM_ECDH_H_
#include <stdint.h>
#include <stddef.h>
#include "../common/platform-config.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __WIN32
#define YH_INTERNAL __attribute__((visibility("hidden")))
#else
#define YH_INTERNAL
#endif
int YH_INTERNAL ecdh_curve_p256(void);
int YH_INTERNAL ecdh_calculate_public_key(int curve, const uint8_t *privkey,
size_t cb_privkey, uint8_t *pubkey,
size_t cb_pubkey);
int YH_INTERNAL ecdh_generate_keypair(int curve, uint8_t *privkey,
size_t cb_privkey, uint8_t *pubkey,
size_t cb_pubkey);
int YH_INTERNAL ecdh_calculate_secret(int curve, const uint8_t *privkey,
size_t cb_privkey, const uint8_t *pubkey,
size_t cb_pubkey, uint8_t *secret,
size_t cb_secret);
#ifdef __cplusplus
}
#endif
#endif /* _YUBICOM_ECDH_H_ */
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