5 ecdh.h -- header file for ecdh.c
6 Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>
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.
26 #define ECDH_SHARED_SIZE 32
28 #ifndef TINC_ECDH_INTERNAL
29 typedef struct ecdh ecdh_t;
32 extern void ecdh_free(ecdh_t *ecdh);
33 extern ecdh_t *ecdh_generate_public(void *pubkey) ATTR_MALLOC ATTR_DEALLOCATOR(ecdh_free);
34 extern bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared) ATTR_WARN_UNUSED;