diff options
author | sam <sam@FreeBSD.org> | 2005-06-05 22:35:03 +0000 |
---|---|---|
committer | sam <sam@FreeBSD.org> | 2005-06-05 22:35:03 +0000 |
commit | 21e78f430e299464b3c902bec78f8daa1f0e2e71 (patch) | |
tree | a7d225a062cd128980707f3fa918dec2d015c46b /contrib/hostapd/eap_sim_common.h | |
download | FreeBSD-src-21e78f430e299464b3c902bec78f8daa1f0e2e71.zip FreeBSD-src-21e78f430e299464b3c902bec78f8daa1f0e2e71.tar.gz |
Stripped down import of hostapd v0.3.7
Diffstat (limited to 'contrib/hostapd/eap_sim_common.h')
-rw-r--r-- | contrib/hostapd/eap_sim_common.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/contrib/hostapd/eap_sim_common.h b/contrib/hostapd/eap_sim_common.h new file mode 100644 index 0000000..c89e04e --- /dev/null +++ b/contrib/hostapd/eap_sim_common.h @@ -0,0 +1,101 @@ +#ifndef EAP_SIM_COMMON_H +#define EAP_SIM_COMMON_H + +#define EAP_SIM_NONCE_S_LEN 16 +#define EAP_SIM_NONCE_MT_LEN 16 +#define EAP_SIM_MAC_LEN 16 +#define EAP_SIM_MK_LEN 20 +#define EAP_SIM_K_AUT_LEN 16 +#define EAP_SIM_K_ENCR_LEN 16 +#define EAP_SIM_KEYING_DATA_LEN 64 +#define EAP_SIM_IV_LEN 16 + +#define GSM_RAND_LEN 16 + +#define AKA_RAND_LEN 16 +#define AKA_AUTN_LEN 16 + +void eap_sim_derive_keys(const u8 *mk, u8 *k_encr, u8 *k_aut, u8 *msk); +void eap_sim_derive_keys_reauth(unsigned int _counter, + const u8 *identity, size_t identity_len, + const u8 *nonce_s, const u8 *mk, u8 *msk); +int eap_sim_verify_mac(const u8 *k_aut, u8 *req, size_t req_len, u8 *mac, + u8 *extra, size_t extra_len); +void eap_sim_add_mac(const u8 *k_aut, u8 *msg, size_t msg_len, u8 *mac, + const u8 *extra, size_t extra_len); + + +/* EAP-SIM/AKA Attributes (0..127 non-skippable) */ +#define EAP_SIM_AT_RAND 1 +#define EAP_SIM_AT_AUTN 2 /* only AKA */ +#define EAP_SIM_AT_RES 3 /* only AKA, only send */ +#define EAP_SIM_AT_AUTS 4 /* only AKA, only send */ +#define EAP_SIM_AT_PADDING 6 /* only encrypted */ +#define EAP_SIM_AT_NONCE_MT 7 /* only SIM, only send */ +#define EAP_SIM_AT_PERMANENT_ID_REQ 10 +#define EAP_SIM_AT_MAC 11 +#define EAP_SIM_AT_NOTIFICATION 12 +#define EAP_SIM_AT_ANY_ID_REQ 13 +#define EAP_SIM_AT_IDENTITY 14 /* only send */ +#define EAP_SIM_AT_VERSION_LIST 15 /* only SIM */ +#define EAP_SIM_AT_SELECTED_VERSION 16 /* only SIM */ +#define EAP_SIM_AT_FULLAUTH_ID_REQ 17 +#define EAP_SIM_AT_COUNTER 19 /* only encrypted */ +#define EAP_SIM_AT_COUNTER_TOO_SMALL 20 /* only encrypted */ +#define EAP_SIM_AT_NONCE_S 21 /* only encrypted */ +#define EAP_SIM_AT_CLIENT_ERROR_CODE 22 /* only send */ +#define EAP_SIM_AT_IV 129 +#define EAP_SIM_AT_ENCR_DATA 130 +#define EAP_SIM_AT_NEXT_PSEUDONYM 132 /* only encrypted */ +#define EAP_SIM_AT_NEXT_REAUTH_ID 133 /* only encrypted */ +#define EAP_SIM_AT_CHECKCODE 134 /* only AKA */ +#define EAP_SIM_AT_RESULT_IND 135 + +/* AT_NOTIFICATION notification code values */ +#define EAP_SIM_GENERAL_FAILURE_AFTER_AUTH 0 +#define EAP_SIM_TEMPORARILY_DENIED 1026 +#define EAP_SIM_NOT_SUBSCRIBED 1031 +#define EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH 16384 +#define EAP_SIM_SUCCESS 32768 + + +enum eap_sim_id_req { + NO_ID_REQ, ANY_ID, FULLAUTH_ID, PERMANENT_ID +}; + + +struct eap_sim_attrs { + u8 *rand, *autn, *mac, *iv, *encr_data, *version_list, *nonce_s; + u8 *next_pseudonym, *next_reauth_id; + u8 *nonce_mt, *identity; + size_t num_chal, version_list_len, encr_data_len; + size_t next_pseudonym_len, next_reauth_id_len, identity_len; + enum eap_sim_id_req id_req; + int notification, counter, selected_version, client_error_code; +}; + +int eap_sim_parse_attr(u8 *start, u8 *end, struct eap_sim_attrs *attr, + int aka, int encr); +int eap_sim_parse_encr(const u8 *k_encr, u8 *encr_data, size_t encr_data_len, + const u8 *iv, struct eap_sim_attrs *attr, int aka); + + +struct eap_sim_msg; + +struct eap_sim_msg * eap_sim_msg_init(int code, int id, int type, int subtype); +u8 * eap_sim_msg_finish(struct eap_sim_msg *msg, size_t *len, const u8 *k_aut, + const u8 *extra, size_t extra_len); +void eap_sim_msg_free(struct eap_sim_msg *msg); +u8 * eap_sim_msg_add_full(struct eap_sim_msg *msg, u8 attr, + const u8 *data, size_t len); +u8 * eap_sim_msg_add(struct eap_sim_msg *msg, u8 attr, + u16 value, const u8 *data, size_t len); +u8 * eap_sim_msg_add_mac(struct eap_sim_msg *msg, u8 attr); +int eap_sim_msg_add_encr_start(struct eap_sim_msg *msg, u8 attr_iv, + u8 attr_encr); +int eap_sim_msg_add_encr_end(struct eap_sim_msg *msg, u8 *k_encr, + int attr_pad); + +void eap_sim_report_notification(void *msg_ctx, int notification, int aka); + +#endif /* EAP_SIM_COMMON_H */ |