sim_card_t API gained support for pseudonym/fast reauthentication

This commit is contained in:
Martin Willi
2009-11-12 10:33:58 +01:00
parent 6ae43b9333
commit 8f364b5433
3 changed files with 63 additions and 16 deletions
@@ -154,6 +154,10 @@ eap_aka_3gpp2_card_t *eap_aka_3gpp2_card_create(eap_aka_3gpp2_functions_t *f)
this->public.card.get_triplet = (bool(*)(sim_card_t*, identification_t *imsi, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))return_false;
this->public.card.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *imsi, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_LEN]))get_quintuplet;
this->public.card.resync = (bool(*)(sim_card_t*, identification_t *imsi, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))resync;
this->public.card.get_pseudonym = (identification_t*(*)(sim_card_t*, identification_t *perm))return_null;
this->public.card.set_pseudonym = (void(*)(sim_card_t*, identification_t *perm, identification_t *pseudonym))nop;
this->public.card.get_reauth = (identification_t*(*)(sim_card_t*, identification_t *perm, char mk[HASH_SIZE_SHA1], u_int16_t *counter))return_null;
this->public.card.set_reauth = (void(*)(sim_card_t*, identification_t *perm, identification_t* next, char mk[HASH_SIZE_SHA1], u_int16_t counter))nop;
this->public.destroy = (void(*)(eap_aka_3gpp2_card_t*))destroy;
this->f = f;
@@ -94,6 +94,10 @@ eap_sim_file_card_t *eap_sim_file_card_create(eap_sim_file_triplets_t *triplets)
this->public.card.get_triplet = (bool(*)(sim_card_t*, identification_t *imsi, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))get_triplet;
this->public.card.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *imsi, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_LEN]))get_quintuplet;
this->public.card.resync = (bool(*)(sim_card_t*, identification_t *imsi, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))return_false;
this->public.card.get_pseudonym = (identification_t*(*)(sim_card_t*, identification_t *perm))return_null;
this->public.card.set_pseudonym = (void(*)(sim_card_t*, identification_t *perm, identification_t *pseudonym))nop;
this->public.card.get_reauth = (identification_t*(*)(sim_card_t*, identification_t *perm, char mk[HASH_SIZE_SHA1], u_int16_t *counter))return_null;
this->public.card.set_reauth = (void(*)(sim_card_t*, identification_t *perm, identification_t* next, char mk[HASH_SIZE_SHA1], u_int16_t counter))nop;
this->public.destroy = (void(*)(eap_sim_file_card_t*))destroy;
this->triplets = triplets;
+55 -16
View File
@@ -52,11 +52,11 @@ struct sim_card_t {
/**
* Calculate SRES/KC from a RAND for SIM authentication.
*
* @param imsi identity to get a triplet for
* @param rand RAND input buffer, fixed size 16 bytes
* @param sres SRES output buffer, fixed size 4 byte
* @param kc KC output buffer, fixed size 8 bytes
* @return TRUE if SRES/KC calculated, FALSE on error/wrong identity
* @param imsi identity to get a triplet for
* @param rand RAND input buffer, fixed size 16 bytes
* @param sres SRES output buffer, fixed size 4 byte
* @param kc KC output buffer, fixed size 8 bytes
* @return TRUE if SRES/KC calculated, FALSE on error/wrong identity
*/
bool (*get_triplet)(sim_card_t *this, identification_t *imsi,
char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN],
@@ -68,13 +68,13 @@ struct sim_card_t {
* If the received sequence number (in autn) is out of sync, INVALID_STATE
* is returned.
*
* @param imsi peer identity requesting quintuplet for
* @param rand random value rand
* @param autn authentication token autn
* @param ck buffer receiving encryption key ck
* @param ik buffer receiving integrity key ik
* @param res buffer receiving authentication result res
* @return SUCCESS, FAILED, or INVALID_STATE if out of sync
* @param imsi peer identity requesting quintuplet for
* @param rand random value rand
* @param autn authentication token autn
* @param ck buffer receiving encryption key ck
* @param ik buffer receiving integrity key ik
* @param res buffer receiving authentication result res
* @return SUCCESS, FAILED, or INVALID_STATE if out of sync
*/
status_t (*get_quintuplet)(sim_card_t *this, identification_t *imsi,
char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN],
@@ -84,13 +84,52 @@ struct sim_card_t {
/**
* Calculate AUTS from RAND for AKA resynchronization.
*
* @param imsi peer identity requesting quintuplet for
* @param rand random value rand
* @param auts resynchronization parameter auts
* @return TRUE if parameter generated successfully
* @param imsi peer identity requesting quintuplet for
* @param rand random value rand
* @param auts resynchronization parameter auts
* @return TRUE if parameter generated successfully
*/
bool (*resync)(sim_card_t *this, identification_t *imsi,
char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]);
/**
* Set the pseudonym to use for next authentication.
*
* @param perm permanent identity of the peer (imsi)
* @param pseudo pseudonym identity received from the server
*/
void (*set_pseudonym)(sim_card_t *this, identification_t *perm,
identification_t *pseudo);
/**
* Get the pseudonym previously stored via set_pseudonym().
*
* @param perm permanent identity of the peer (imsi)
* @return associated pseudonym identity, NULL if none stored
*/
identification_t* (*get_pseudonym)(sim_card_t *this, identification_t *perm);
/**
* Store parameters to use for the next fast reauthentication.
*
* @param perm permanent identity of the peer (imsi)
* @param next next fast reauthentication identity to use
* @param mk master key MK to store for reauthentication
* @param counter counter value to store, host order
*/
void (*set_reauth)(sim_card_t *this, identification_t *perm,
identification_t *next, char mk[HASH_SIZE_SHA1],
u_int16_t counter);
/**
* Retrieve parameters for fast reauthentication stored via set_reauth().
*
* @param perm permanent identity of the peer (imsi)
* @param mk buffer receiving master key MK
* @param counter pointer receiving counter value, in host order
*/
identification_t* (*get_reauth)(sim_card_t *this, identification_t *perm,
char mk[HASH_SIZE_SHA1], u_int16_t *counter);
};
/**