[thirdparty/hostap.git] / src / crypto / dh_groups.h

/*
 * Diffie-Hellman groups
 * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#ifndef DH_GROUPS_H
#define DH_GROUPS_H

struct dh_group {
	int id;
	const u8 *generator;
	size_t generator_len;
	const u8 *prime;
	size_t prime_len;
	const u8 *order;
	size_t order_len;
	unsigned int safe_prime:1;
};

const struct dh_group * dh_groups_get(int id);
struct wpabuf * dh_init(const struct dh_group *dh, struct wpabuf **priv);
struct wpabuf * dh_derive_shared(const struct wpabuf *peer_public,
				 const struct wpabuf *own_private,
				 const struct dh_group *dh);

#endif /* DH_GROUPS_H */
Commit	Line	Data
6fc6879b JM	1	/*
	2	* Diffie-Hellman groups
	3	* Copyright (c) 2007, Jouni Malinen <j@w1.fi>
	4	*
0f3d578e JM	5	* This software may be distributed under the terms of the BSD license.
0f3d578e JM	6	* See README for more details.
6fc6879b JM	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;
2ce12789 JM	18	const u8 *order;
	19	size_t order_len;
	20	unsigned int safe_prime:1;
6fc6879b JM	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 */