xref: /freebsd/contrib/wpa/src/crypto/dh_group5.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*
2  * Diffie-Hellman group 5 operations
3  * Copyright (c) 2009, 2012, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "includes.h"
10 
11 #include "common.h"
12 #include "dh_groups.h"
13 #include "dh_group5.h"
14 
15 
16 void * dh5_init(struct wpabuf **priv, struct wpabuf **publ)
17 {
18 	wpabuf_free(*publ);
19 	*publ = dh_init(dh_groups_get(5), priv);
20 	if (*publ == NULL)
21 		return NULL;
22 	return (void *) 1;
23 }
24 
25 
26 void * dh5_init_fixed(const struct wpabuf *priv, const struct wpabuf *publ)
27 {
28 	return (void *) 1;
29 }
30 
31 
32 struct wpabuf * dh5_derive_shared(void *ctx, const struct wpabuf *peer_public,
33 				  const struct wpabuf *own_private)
34 {
35 	return dh_derive_shared(peer_public, own_private, dh_groups_get(5));
36 }
37 
38 
39 void dh5_free(void *ctx)
40 {
41 }
42