diff options
Diffstat (limited to 'src/modules/rlm_eap/libeap/eap_sim.h')
| -rw-r--r-- | src/modules/rlm_eap/libeap/eap_sim.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/modules/rlm_eap/libeap/eap_sim.h b/src/modules/rlm_eap/libeap/eap_sim.h new file mode 100644 index 0000000..0d92f67 --- /dev/null +++ b/src/modules/rlm_eap/libeap/eap_sim.h @@ -0,0 +1,122 @@ +/* + * eap_sim.h Header file containing the EAP-SIM types + * + * Version: $Id$ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + * + * Copyright 2003 Michael Richardson <mcr@sandelman.ottawa.on.ca> + * Copyright 2006 The FreeRADIUS server project + * + */ +#ifndef _EAP_SIM_H +#define _EAP_SIM_H + +RCSIDH(eap_sim_h, "$Id$") + +#include "eap_types.h" + +#define EAP_SIM_VERSION 0x0001 + +enum eapsim_subtype { + EAPSIM_START = 10, + EAPSIM_CHALLENGE = 11, + EAPSIM_NOTIFICATION = 12, + EAPSIM_REAUTH = 13, + EAPSIM_CLIENT_ERROR = 14, + EAPSIM_MAX_SUBTYPE = 15 +}; + +enum eapsim_clientstates { + EAPSIM_CLIENT_INIT = 0, + EAPSIM_CLIENT_START = 1, + EAPSIM_CLIENT_MAXSTATES +}; + +/* server states + * + * in server_start, we send a EAP-SIM Start message. + * + */ +enum eapsim_serverstates { + EAPSIM_SERVER_START = 0, + EAPSIM_SERVER_CHALLENGE = 1, + EAPSIM_SERVER_SUCCESS = 10, + EAPSIM_SERVER_MAXSTATES +}; + + +/* + * interfaces in eapsimlib.c + */ +int map_eapsim_basictypes(RADIUS_PACKET *r, eap_packet_t *ep); +char const *sim_state2name(enum eapsim_clientstates state, char *buf, int buflen); +char const *sim_subtype2name(enum eapsim_subtype subtype, char *buf, int buflen); +int unmap_eapsim_basictypes(RADIUS_PACKET *r, uint8_t *attr, unsigned int attrlen); + + +/************************/ +/* CRYPTO FUNCTIONS */ +/************************/ + +/* + * key derivation functions/structures + * + */ + +#define EAPSIM_SRES_SIZE 4 +#define EAPSIM_RAND_SIZE 16 +#define EAPSIM_KC_SIZE 8 +#define EAPSIM_CALCMAC_SIZE 20 +#define EAPSIM_NONCEMT_SIZE 16 +#define EAPSIM_AUTH_SIZE 16 + +struct eapsim_keys { + /* inputs */ + uint8_t identity[MAX_STRING_LEN]; + unsigned int identitylen; + uint8_t nonce_mt[EAPSIM_NONCEMT_SIZE]; + uint8_t rand[3][EAPSIM_RAND_SIZE]; + uint8_t sres[3][EAPSIM_SRES_SIZE]; + uint8_t Kc[3][EAPSIM_KC_SIZE]; + uint8_t versionlist[MAX_STRING_LEN]; + uint8_t versionlistlen; + uint8_t versionselect[2]; + + /* outputs */ + uint8_t master_key[20]; + uint8_t K_aut[EAPSIM_AUTH_SIZE]; + uint8_t K_encr[16]; + uint8_t msk[64]; + uint8_t emsk[64]; +}; + + +/* + * interfaces in eapsimlib.c + */ +int eapsim_checkmac(TALLOC_CTX *ctx, VALUE_PAIR *rvps, + uint8_t key[EAPSIM_AUTH_SIZE], + uint8_t *extra, int extralen, + uint8_t calcmac[20]); + +/* + * in eapcrypto.c + */ +void eapsim_calculate_keys(struct eapsim_keys *ek); +void eapsim_dump_mk(struct eapsim_keys *ek); + + +#endif /* _EAP_SIM_H */ |