fragattacks/src/common/sae.h

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/*
* Simultaneous authentication of equals
* Copyright (c) 2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef SAE_H
#define SAE_H
#define SAE_COMMIT_MAX_LEN (2 + 3 * 32)
#define SAE_CONFIRM_MAX_LEN (2 + 32)
struct sae_data {
enum { SAE_NOTHING, SAE_COMMITTED, SAE_CONFIRMED, SAE_ACCEPTED } state;
u16 send_confirm;
u8 kck[32];
u8 pmk[32];
u8 own_commit_scalar[32];
u8 own_commit_element[2 * 32];
u8 peer_commit_scalar[32];
u8 peer_commit_element[2 * 32];
u8 pwe[2 * 32];
u8 sae_rand[32];
};
int sae_prepare_commit(const u8 *addr1, const u8 *addr2,
const u8 *password, size_t password_len,
struct sae_data *sae);
int sae_process_commit(struct sae_data *sae);
void sae_write_commit(struct sae_data *sae, struct wpabuf *buf);
u16 sae_parse_commit(struct sae_data *sae, const u8 *data, size_t len);
void sae_write_confirm(struct sae_data *sae, struct wpabuf *buf);
int sae_check_confirm(struct sae_data *sae, const u8 *data, size_t len);
#endif /* SAE_H */