#ifndef _EAP_SIM_H
#define _EAP_SIM_H
#include <freeradius-devel/ident.h>
RCSIDH(eap_sim_h, "$Id$")
#include "eap_types.h"
#define EAP_SIM_VERSION 0x0001
#define ATTRIBUTE_EAP_SIM_BASE (6*256)
#define ATTRIBUTE_EAP_SIM_SUBTYPE 1200
#define ATTRIBUTE_EAP_SIM_RAND1 1201
#define ATTRIBUTE_EAP_SIM_RAND2 1202
#define ATTRIBUTE_EAP_SIM_RAND3 1203
#define ATTRIBUTE_EAP_SIM_SRES1 1204
#define ATTRIBUTE_EAP_SIM_SRES2 1205
#define ATTRIBUTE_EAP_SIM_SRES3 1206
#define ATTRIBUTE_EAP_SIM_STATE 1207
#define ATTRIBUTE_EAP_SIM_IMSI 1208
#define ATTRIBUTE_EAP_SIM_HMAC 1209
#define ATTRIBUTE_EAP_SIM_KEY 1210
#define ATTRIBUTE_EAP_SIM_EXTRA 1211
#define ATTRIBUTE_EAP_SIM_KC1 1212
#define ATTRIBUTE_EAP_SIM_KC2 1213
#define ATTRIBUTE_EAP_SIM_KC3 1214
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
};
enum eapsim_serverstates {
eapsim_server_start = 0,
eapsim_server_challenge=1,
eapsim_server_success=10,
eapsim_server_maxstates
};
#define PW_EAP_SIM_RAND 1
#define PW_EAP_SIM_PADDING 6
#define PW_EAP_SIM_NONCE_MT 7
#define PW_EAP_SIM_PERMANENT_ID_REQ 10
#define PW_EAP_SIM_MAC 11
#define PW_EAP_SIM_NOTIFICATION 12
#define PW_EAP_SIM_ANY_ID_REQ 13
#define PW_EAP_SIM_IDENTITY 14
#define PW_EAP_SIM_VERSION_LIST 15
#define PW_EAP_SIM_SELECTED_VERSION 16
#define PW_EAP_SIM_FULLAUTH_ID_REQ 17
#define PW_EAP_SIM_COUNTER 19
#define PW_EAP_SIM_COUNTER_TOO_SMALL 20
#define PW_EAP_SIM_NONCE_S 21
#define PW_EAP_SIM_IV 129
#define PW_EAP_SIM_ENCR_DATA 130
#define PW_EAP_SIM_NEXT_PSEUDONUM 132
#define PW_EAP_SIM_NEXT_REAUTH_ID 133
#define PW_EAP_SIM_CHECKCODE 134
extern int map_eapsim_basictypes(RADIUS_PACKET *r, EAP_PACKET *ep);
extern const char *sim_state2name(enum eapsim_clientstates state, char *buf, int buflen);
extern const char *sim_subtype2name(enum eapsim_subtype subtype, char *buf, int buflen);
extern int unmap_eapsim_basictypes(RADIUS_PACKET *r,
uint8_t *attr, unsigned int attrlen);
#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 {
unsigned char identity[MAX_STRING_LEN];
unsigned int identitylen;
unsigned char nonce_mt[EAPSIM_NONCEMT_SIZE];
unsigned char rand[3][EAPSIM_RAND_SIZE];
unsigned char sres[3][EAPSIM_SRES_SIZE];
unsigned char Kc[3][EAPSIM_Kc_SIZE];
unsigned char versionlist[MAX_STRING_LEN];
unsigned char versionlistlen;
unsigned char versionselect[2];
unsigned char master_key[20];
unsigned char K_aut[EAPSIM_AUTH_SIZE];
unsigned char K_encr[16];
unsigned char msk[64];
unsigned char emsk[64];
};
extern int eapsim_checkmac(VALUE_PAIR *rvps,
uint8_t key[8],
uint8_t *extra, int extralen,
uint8_t calcmac[20]);
extern void eapsim_calculate_keys(struct eapsim_keys *ek);
extern void eapsim_dump_mk(struct eapsim_keys *ek);
#endif