libssh 0.9.5 The SSH library

curve25519.h
1/*
2 * This file is part of the SSH Library
3 *
4 * Copyright (c) 2013 by Aris Adamantiadis <aris@badcode.be>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation,
9 * version 2.1 of the License.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef CURVE25519_H_
22#define CURVE25519_H_
23
24#include "config.h"
25#include "libssh.h"
26
27#ifdef WITH_NACL
28
29#include <nacl/crypto_scalarmult_curve25519.h>
30#define CURVE25519_PUBKEY_SIZE crypto_scalarmult_curve25519_BYTES
31#define CURVE25519_PRIVKEY_SIZE crypto_scalarmult_curve25519_SCALARBYTES
32#define crypto_scalarmult_base crypto_scalarmult_curve25519_base
33#define crypto_scalarmult crypto_scalarmult_curve25519
34#else
35
36#define CURVE25519_PUBKEY_SIZE 32
37#define CURVE25519_PRIVKEY_SIZE 32
38 int crypto_scalarmult_base(unsigned char *q, const unsigned char *n);
39 int crypto_scalarmult(unsigned char *q, const unsigned char *n, const unsigned char *p);
40#endif /* WITH_NACL */
41
42#ifdef HAVE_ECC
43#define HAVE_CURVE25519 1
44#endif
45
46 typedef unsigned char ssh_curve25519_pubkey[CURVE25519_PUBKEY_SIZE];
47 typedef unsigned char ssh_curve25519_privkey[CURVE25519_PRIVKEY_SIZE];
48
49
50 int ssh_client_curve25519_init(ssh_session session);
51
52#ifdef WITH_SERVER
53 void ssh_server_curve25519_init(ssh_session session);
54#endif /* WITH_SERVER */
55
56#endif /* CURVE25519_H_ */
ssh_session_struct
Definition: session.h:109