xref: /freebsd/contrib/wpa/src/crypto/dh_groups.h (revision 6829dae12bb055451fa467da4589c43bd03b1e64)
1 /*
2  * Diffie-Hellman groups
3  * Copyright (c) 2007, 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 #ifndef DH_GROUPS_H
10 #define DH_GROUPS_H
11 
12 struct dh_group {
13 	int id;
14 	const u8 *generator;
15 	size_t generator_len;
16 	const u8 *prime;
17 	size_t prime_len;
18 	const u8 *order;
19 	size_t order_len;
20 	unsigned int safe_prime:1;
21 };
22 
23 const struct dh_group * dh_groups_get(int id);
24 struct wpabuf * dh_init(const struct dh_group *dh, struct wpabuf **priv);
25 struct wpabuf * dh_derive_shared(const struct wpabuf *peer_public,
26 				 const struct wpabuf *own_private,
27 				 const struct dh_group *dh);
28 
29 #endif /* DH_GROUPS_H */
30