1 #ifndef MESHLINK_ECDH_H
2 #define MESHLINK_ECDH_H
5 ecdh.h -- header file for ecdh.c
6 Copyright (C) 2014, 2017 Guus Sliepen <guus@meshlink.io>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #define ECDH_SHARED_SIZE 32
26 #ifndef __MESHLINK_ECDH_INTERNAL__
27 typedef struct ecdh ecdh_t;
30 ecdh_t *ecdh_generate_public(void *pubkey) __attribute__((__malloc__));
31 bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared) __attribute__((__warn_unused_result__));
32 void ecdh_free(ecdh_t *ecdh);