1 /* curve25519.h
2 
3    Copyright (C) 2014 Niels Möller
4 
5    This file is part of GNU Nettle.
6 
7    GNU Nettle is free software: you can redistribute it and/or
8    modify it under the terms of either:
9 
10      * the GNU Lesser General Public License as published by the Free
11        Software Foundation; either version 3 of the License, or (at your
12        option) any later version.
13 
14    or
15 
16      * the GNU General Public License as published by the Free
17        Software Foundation; either version 2 of the License, or (at your
18        option) any later version.
19 
20    or both in parallel, as here.
21 
22    GNU Nettle is distributed in the hope that it will be useful,
23    but WITHOUT ANY WARRANTY; without even the implied warranty of
24    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
25    General Public License for more details.
26 
27    You should have received copies of the GNU General Public License and
28    the GNU Lesser General Public License along with this program.  If
29    not, see http://www.gnu.org/licenses/.
30 */
31 
32 #ifndef NETTLE_CURVE25519_H
33 #define NETTLE_CURVE25519_H
34 
35 #include "nettle-types.h"
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 /* Name mangling */
42 #define curve25519_mul_g nettle_curve25519_mul_g
43 #define curve25519_mul nettle_curve25519_mul
44 
45 #define CURVE25519_SIZE 32
46 
47 /* Indicates that curve25519_mul conforms to RFC 7748. */
48 #define NETTLE_CURVE25519_RFC7748 1
49 
50 void
51 curve25519_mul_g (uint8_t *q, const uint8_t *n);
52 
53 void
54 curve25519_mul (uint8_t *q, const uint8_t *n, const uint8_t *p);
55 
56 #ifdef __cplusplus
57 }
58 #endif
59 
60 #endif /* NETTLE_CURVE25519_H */
61