wpa_supplicant/devel/sae_8h_source.html

 #ifndef SAE_H

 #define SAE_H


 #define SAE_KCK_LEN 32

 #define SAE_PMK_LEN 32

 #define SAE_PMKID_LEN 16

 #define SAE_KEYSEED_KEY_LEN 32

 #define SAE_MAX_PRIME_LEN 512

 #define SAE_MAX_ECC_PRIME_LEN 66

 #define SAE_COMMIT_MAX_LEN (2 + 3 * SAE_MAX_PRIME_LEN)

 #define SAE_CONFIRM_MAX_LEN (2 + SAE_MAX_PRIME_LEN)


 /* Special value returned by sae_parse_commit() */

 #define SAE_SILENTLY_DISCARD 65535


 struct sae_temporary_data {

         u8 kck[SAE_KCK_LEN];

         struct crypto_bignum *own_commit_scalar;

         struct crypto_bignum *own_commit_element_ffc;

         struct crypto_ec_point *own_commit_element_ecc;

         struct crypto_bignum *peer_commit_element_ffc;

         struct crypto_ec_point *peer_commit_element_ecc;

         struct crypto_ec_point *pwe_ecc;

         struct crypto_bignum *pwe_ffc;

         struct crypto_bignum *sae_rand;

         struct crypto_ec *ec;

         int prime_len;

         const struct dh_group *dh;

         const struct crypto_bignum *prime;

         const struct crypto_bignum *order;

         struct crypto_bignum *prime_buf;

         struct crypto_bignum *order_buf;

         struct wpabuf *anti_clogging_token;

 };


 struct sae_data {

         enum { SAE_NOTHING, SAE_COMMITTED, SAE_CONFIRMED, SAE_ACCEPTED } state;

         u16 send_confirm;

         u8 pmk[SAE_PMK_LEN];

         struct crypto_bignum *peer_commit_scalar;

         int group;

         int sync;

         struct sae_temporary_data *tmp;

 };


 int sae_set_group(struct sae_data *sae, int group);

 void sae_clear_temp_data(struct sae_data *sae);

 void sae_clear_data(struct sae_data *sae);


 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,

                       const struct wpabuf *token);

 u16 sae_parse_commit(struct sae_data *sae, const u8 *data, size_t len,

                      const u8 **token, size_t *token_len, int *allowed_groups);

 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);

 u16 sae_group_allowed(struct sae_data *sae, int *allowed_groups, u16 group);


 #endif /* SAE_H */

sae_temporary_data
Definition: sae.h:20

wpabuf
Definition: wpabuf.h:16

dh_group
Definition: dh_groups.h:8

sae_data
Definition: sae.h:40