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Support variable RES length in AKA quintuplets

This commit is contained in:
Martin Willi 2009-11-12 10:27:50 +01:00
parent 15b65bf15d
commit 1a86be6e48
14 changed files with 57 additions and 34 deletions
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7
src/charon/plugins/eap_aka/eap_aka_peer.c
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@ -181,7 +181,8 @@ static status_t process_challenge(private_eap_aka_peer_t *this,
enumerator_t *enumerator;
simaka_attribute_t type;
chunk_t data, rand = chunk_empty, autn = chunk_empty, mk;
u_char res[AKA_RES_LEN], ck[AKA_CK_LEN], ik[AKA_IK_LEN], auts[AKA_AUTS_LEN];
u_char res[AKA_RES_MAX], ck[AKA_CK_LEN], ik[AKA_IK_LEN], auts[AKA_AUTS_LEN];
int res_len;
identification_t *id;
status_t status;
@ -216,7 +217,7 @@ static status_t process_challenge(private_eap_aka_peer_t *this,
}
status = charon->sim->card_get_quintuplet(charon->sim, this->permanent,
rand.ptr, autn.ptr, ck, ik, res);
rand.ptr, autn.ptr, ck, ik, res, &res_len);
if (status == INVALID_STATE &&
charon->sim->card_resync(charon->sim, this->permanent, rand.ptr, auts))
{
@ -286,7 +287,7 @@ static status_t process_challenge(private_eap_aka_peer_t *this,
message = simaka_message_create(FALSE, in->get_identifier(in), EAP_AKA,
AKA_CHALLENGE, this->crypto);
message->add_attribute(message, AT_RES, chunk_create(res, AKA_RES_LEN));
message->add_attribute(message, AT_RES, chunk_create(res, res_len));
*out = message->generate(message, chunk_empty);
message->destroy(message);
return NEED_MORE;

7
src/charon/plugins/eap_aka/eap_aka_server.c
View File

@ -146,13 +146,14 @@ static status_t identity(private_eap_aka_server_t *this, eap_payload_t **out)
static status_t challenge(private_eap_aka_server_t *this, eap_payload_t **out)
{
simaka_message_t *message;
char rand[AKA_RAND_LEN], xres[AKA_RES_LEN];
char rand[AKA_RAND_LEN], xres[AKA_RES_MAX];
char ck[AKA_CK_LEN], ik[AKA_IK_LEN], autn[AKA_AUTN_LEN];
int xres_len;
chunk_t data, mk;
identification_t *id;
if (!charon->sim->provider_get_quintuplet(charon->sim, this->permanent,
rand, xres, ck, ik, autn))
rand, xres, &xres_len, ck, ik, autn))
{
if (this->use_pseudonym)
{
@ -176,7 +177,7 @@ static status_t challenge(private_eap_aka_server_t *this, eap_payload_t **out)
free(this->msk.ptr);
this->msk = this->crypto->derive_keys_full(this->crypto, id, data, &mk);
this->rand = chunk_clone(chunk_create(rand, AKA_RAND_LEN));
this->xres = chunk_clone(chunk_create(xres, AKA_RES_LEN));
this->xres = chunk_clone(chunk_create(xres, xres_len));
message = simaka_message_create(TRUE, this->identifier++, EAP_AKA,
AKA_CHALLENGE, this->crypto);

6
src/charon/plugins/eap_aka_3gpp2/eap_aka_3gpp2_card.c
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@ -57,7 +57,8 @@ void eap_aka_3gpp2_get_sqn(char sqn[AKA_SQN_LEN], int offset);
static status_t get_quintuplet(private_eap_aka_3gpp2_card_t *this,
identification_t *id, 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])
char ik[AKA_IK_LEN], char res[AKA_RES_MAX],
int *res_len)
{
char *amf, *mac;
char k[AKA_K_LEN], ak[AKA_AK_LEN], sqn[AKA_SQN_LEN], xmac[AKA_MAC_LEN];
@ -106,6 +107,7 @@ static status_t get_quintuplet(private_eap_aka_3gpp2_card_t *this,
this->f->f4(this->f, k, rand, ik);
/* calculate RES */
this->f->f2(this->f, k, rand, res);
*res_len = AKA_RES_MAX;
return SUCCESS;
}
@ -152,7 +154,7 @@ eap_aka_3gpp2_card_t *eap_aka_3gpp2_card_create(eap_aka_3gpp2_functions_t *f)
private_eap_aka_3gpp2_card_t *this = malloc_thing(private_eap_aka_3gpp2_card_t);
this->public.card.get_triplet = (bool(*)(sim_card_t*, identification_t *id, 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 *id, 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.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *id, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len))get_quintuplet;
this->public.card.resync = (bool(*)(sim_card_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))resync;
this->public.card.get_pseudonym = (identification_t*(*)(sim_card_t*, identification_t *id))return_null;
this->public.card.set_pseudonym = (void(*)(sim_card_t*, identification_t *id, identification_t *pseudonym))nop;

6
src/charon/plugins/eap_aka_3gpp2/eap_aka_3gpp2_functions.c
View File

@ -307,10 +307,10 @@ static void f1star(private_eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN],
* Calculate RES from RAND using K
*/
static void f2(private_eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN],
u_char rand[AKA_RAND_LEN], u_char res[AKA_RES_LEN])
u_char rand[AKA_RAND_LEN], u_char res[AKA_RES_MAX])
{
fx(this->prf, F2, k, rand, res);
DBG3(DBG_IKE, "RES %b", res, AKA_RES_LEN);
DBG3(DBG_IKE, "RES %b", res, AKA_RES_MAX);
}
/**
@ -374,7 +374,7 @@ eap_aka_3gpp2_functions_t *eap_aka_3gpp2_functions_create()
this->public.f1 = (void(*)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN], u_char rand[AKA_RAND_LEN], u_char sqn[AKA_SQN_LEN], u_char amf[AKA_AMF_LEN], u_char mac[AKA_MAC_LEN]))f1;
this->public.f1star = (void(*)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN], u_char rand[AKA_RAND_LEN], u_char sqn[AKA_SQN_LEN], u_char amf[AKA_AMF_LEN], u_char macs[AKA_MAC_LEN]))f1star;
this->public.f2 = (void(*)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN], u_char rand[AKA_RAND_LEN], u_char res[AKA_RES_LEN]))f2;
this->public.f2 = (void(*)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN], u_char rand[AKA_RAND_LEN], u_char res[AKA_RES_MAX]))f2;
this->public.f3 = (void(*)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN], u_char rand[AKA_RAND_LEN], u_char ck[AKA_CK_LEN]))f3;
this->public.f4 = (void(*)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN], u_char rand[AKA_RAND_LEN], u_char ik[AKA_IK_LEN]))f4;
this->public.f5 = (void(*)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN], u_char rand[AKA_RAND_LEN], u_char ak[AKA_AK_LEN]))f5;

4
src/charon/plugins/eap_aka_3gpp2/eap_aka_3gpp2_functions.h
View File

@ -68,10 +68,10 @@ struct eap_aka_3gpp2_functions_t {
*
* @param k secret key K
* @param rand random value RAND
* @param macs buffer receiving result RES
* @param res buffer receiving result RES, uses full 128 bit
*/
void (*f2)(eap_aka_3gpp2_functions_t *this, u_char k[AKA_K_LEN],
u_char rand[AKA_RAND_LEN], u_char res[AKA_RES_LEN]);
u_char rand[AKA_RAND_LEN], u_char res[AKA_RES_MAX]);
/**
* Calculate CK from RAND using K
*

8
src/charon/plugins/eap_aka_3gpp2/eap_aka_3gpp2_provider.c
View File

@ -86,8 +86,9 @@ void eap_aka_3gpp2_get_sqn(char sqn[AKA_SQN_LEN], int offset)
*/
static bool get_quintuplet(private_eap_aka_3gpp2_provider_t *this,
identification_t *id, char rand[AKA_RAND_LEN],
char xres[AKA_RES_LEN], char ck[AKA_CK_LEN],
char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN])
char xres[AKA_RES_MAX], int *xres_len,
char ck[AKA_CK_LEN], char ik[AKA_IK_LEN],
char autn[AKA_AUTN_LEN])
{
rng_t *rng;
char mac[AKA_MAC_LEN], ak[AKA_AK_LEN], k[AKA_K_LEN];
@ -117,6 +118,7 @@ static bool get_quintuplet(private_eap_aka_3gpp2_provider_t *this,
this->f->f5(this->f, k, rand, ak);
/* XRES as expected from client */
this->f->f2(this->f, k, rand, xres);
*xres_len = AKA_RES_MAX;
/* AUTN = (SQN xor AK) || AMF || MAC */
memcpy(autn, this->sqn, AKA_SQN_LEN);
memxor(autn, ak, AKA_AK_LEN);
@ -185,7 +187,7 @@ eap_aka_3gpp2_provider_t *eap_aka_3gpp2_provider_create(
private_eap_aka_3gpp2_provider_t *this = malloc_thing(private_eap_aka_3gpp2_provider_t);
this->public.provider.get_triplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))return_false;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))get_quintuplet;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_MAX], int *xres_len, char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))get_quintuplet;
this->public.provider.resync = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))resync;
this->public.provider.is_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null;
this->public.provider.gen_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null;

2
src/charon/plugins/eap_sim_file/eap_sim_file_card.c
View File

@ -92,7 +92,7 @@ eap_sim_file_card_t *eap_sim_file_card_create(eap_sim_file_triplets_t *triplets)
private_eap_sim_file_card_t *this = malloc_thing(private_eap_sim_file_card_t);
this->public.card.get_triplet = (bool(*)(sim_card_t*, identification_t *id, 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 *id, 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.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *id, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len))get_quintuplet;
this->public.card.resync = (bool(*)(sim_card_t*, identification_t *id, 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 *id, identification_t *pseudonym))nop;

2
src/charon/plugins/eap_sim_file/eap_sim_file_provider.c
View File

@ -78,7 +78,7 @@ eap_sim_file_provider_t *eap_sim_file_provider_create(
private_eap_sim_file_provider_t *this = malloc_thing(private_eap_sim_file_provider_t);
this->public.provider.get_triplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))get_triplet;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))return_false;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_MAX], int *xres_len, char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))return_false;
this->public.provider.resync = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))return_false;
this->public.provider.is_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null;
this->public.provider.gen_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null;

2
src/charon/plugins/eap_simaka_pseudonym/eap_simaka_pseudonym_card.c
View File

@ -138,7 +138,7 @@ eap_simaka_pseudonym_card_t *eap_simaka_pseudonym_card_create()
this = malloc_thing(private_eap_simaka_pseudonym_card_t);
this->public.card.get_triplet = (bool(*)(sim_card_t*, identification_t *id, 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 *id, 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.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *id, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len))get_quintuplet;
this->public.card.resync = (bool(*)(sim_card_t*, identification_t *id, 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))get_pseudonym;
this->public.card.set_pseudonym = (void(*)(sim_card_t*, identification_t *id, identification_t *pseudonym))set_pseudonym;

2
src/charon/plugins/eap_simaka_pseudonym/eap_simaka_pseudonym_provider.c
View File

@ -160,7 +160,7 @@ eap_simaka_pseudonym_provider_t *eap_simaka_pseudonym_provider_create()
this = malloc_thing(private_eap_simaka_pseudonym_provider_t);
this->public.provider.get_triplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))return_false;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))return_false;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_MAX], int *xres_len, char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))return_false;
this->public.provider.resync = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))return_false;
this->public.provider.is_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))is_pseudonym;
this->public.provider.gen_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))gen_pseudonym;

2
src/charon/plugins/eap_simaka_reauth/eap_simaka_reauth_card.c
View File

@ -155,7 +155,7 @@ eap_simaka_reauth_card_t *eap_simaka_reauth_card_create()
this = malloc_thing(private_eap_simaka_reauth_card_t);
this->public.card.get_triplet = (bool(*)(sim_card_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))return_null;
this->public.card.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *id, 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.get_quintuplet = (status_t(*)(sim_card_t*, identification_t *id, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len))get_quintuplet;
this->public.card.resync = (bool(*)(sim_card_t*, identification_t *id, 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 *id, identification_t *pseudonym))nop;

2
src/charon/plugins/eap_simaka_reauth/eap_simaka_reauth_provider.c
View File

@ -187,7 +187,7 @@ eap_simaka_reauth_provider_t *eap_simaka_reauth_provider_create()
private_eap_simaka_reauth_provider_t *this = malloc_thing(private_eap_simaka_reauth_provider_t);
this->public.provider.get_triplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))return_false;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))return_false;
this->public.provider.get_quintuplet = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_MAX], int *xres_len, char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))return_false;
this->public.provider.resync = (bool(*)(sim_provider_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))return_false;
this->public.provider.is_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null;
this->public.provider.gen_pseudonym = (identification_t*(*)(sim_provider_t*, identification_t *id))return_null;

17
src/charon/sa/authenticators/eap/sim_manager.c
View File

@ -90,7 +90,8 @@ static bool card_get_triplet(private_sim_manager_t *this, identification_t *id,
static status_t card_get_quintuplet(private_sim_manager_t *this,
identification_t *id, 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])
char ik[AKA_IK_LEN], char res[AKA_RES_MAX],
int *res_len)
{
enumerator_t *enumerator;
sim_card_t *card;
@ -100,7 +101,7 @@ static status_t card_get_quintuplet(private_sim_manager_t *this,
enumerator = this->cards->create_enumerator(this->cards);
while (enumerator->enumerate(enumerator, &card))
{
status = card->get_quintuplet(card, id, rand, autn, ck, ik, res);
status = card->get_quintuplet(card, id, rand, autn, ck, ik, res, res_len);
if (status != FAILED)
{ /* try next on error, but not on INVALID_STATE */
enumerator->destroy(enumerator);
@ -276,8 +277,9 @@ static bool provider_get_triplet(private_sim_manager_t *this,
*/
static bool provider_get_quintuplet(private_sim_manager_t *this,
identification_t *id, char rand[AKA_RAND_LEN],
char xres[AKA_RES_LEN], char ck[AKA_CK_LEN],
char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN])
char xres[AKA_RES_MAX], int *xres_len,
char ck[AKA_CK_LEN], char ik[AKA_IK_LEN],
char autn[AKA_AUTN_LEN])
{
enumerator_t *enumerator;
sim_provider_t *provider;
@ -286,7 +288,8 @@ static bool provider_get_quintuplet(private_sim_manager_t *this,
enumerator = this->providers->create_enumerator(this->providers);
while (enumerator->enumerate(enumerator, &provider))
{
if (provider->get_quintuplet(provider, id, rand, xres, ck, ik, autn))
if (provider->get_quintuplet(provider, id, rand, xres, xres_len,
ck, ik, autn))
{
enumerator->destroy(enumerator);
return TRUE;
@ -439,7 +442,7 @@ sim_manager_t *sim_manager_create()
this->public.add_card = (void(*)(sim_manager_t*, sim_card_t *card))add_card;
this->public.remove_card = (void(*)(sim_manager_t*, sim_card_t *card))remove_card;
this->public.card_get_triplet = (bool(*)(sim_manager_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))card_get_triplet;
this->public.card_get_quintuplet = (status_t(*)(sim_manager_t*, identification_t *id, 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]))card_get_quintuplet;
this->public.card_get_quintuplet = (status_t(*)(sim_manager_t*, identification_t *id, char rand[AKA_RAND_LEN], char autn[AKA_AUTN_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char res[AKA_RES_MAX], int *res_len))card_get_quintuplet;
this->public.card_resync = (bool(*)(sim_manager_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))card_resync;
this->public.card_set_pseudonym = (void(*)(sim_manager_t*, identification_t *id, identification_t *pseudonym))card_set_pseudonym;
this->public.card_get_pseudonym = (identification_t*(*)(sim_manager_t*, identification_t *id))card_get_pseudonym;
@ -448,7 +451,7 @@ sim_manager_t *sim_manager_create()
this->public.add_provider = (void(*)(sim_manager_t*, sim_provider_t *provider))add_provider;
this->public.remove_provider = (void(*)(sim_manager_t*, sim_provider_t *provider))remove_provider;
this->public.provider_get_triplet = (bool(*)(sim_manager_t*, identification_t *id, char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN]))provider_get_triplet;
this->public.provider_get_quintuplet = (bool(*)(sim_manager_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_LEN], char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))provider_get_quintuplet;
this->public.provider_get_quintuplet = (bool(*)(sim_manager_t*, identification_t *id, char rand[AKA_RAND_LEN], char xres[AKA_RES_MAX], int *xres_len, char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN]))provider_get_quintuplet;
this->public.provider_resync = (bool(*)(sim_manager_t*, identification_t *id, char rand[AKA_RAND_LEN], char auts[AKA_AUTS_LEN]))provider_resync;
this->public.provider_is_pseudonym = (identification_t*(*)(sim_manager_t*, identification_t *id))provider_is_pseudonym;
this->public.provider_gen_pseudonym = (identification_t*(*)(sim_manager_t*, identification_t *id))provider_gen_pseudonym;

24
src/charon/sa/authenticators/eap/sim_manager.h
View File

@ -34,7 +34,7 @@ typedef struct sim_provider_t sim_provider_t;
#define SIM_KC_LEN 8
#define AKA_RAND_LEN 16
#define AKA_RES_LEN 16
#define AKA_RES_MAX 16
#define AKA_CK_LEN 16
#define AKA_IK_LEN 16
#define AKA_AUTN_LEN 16
@ -68,6 +68,10 @@ struct sim_card_t {
*
* If the received sequence number (in autn) is out of sync, INVALID_STATE
* is returned.
* The RES value is the only one with variable length. Pass a buffer
* of at least AKA_RES_MAX, the actual number of bytes is written to the
* res_len value. While the standard would allow any bit length between
* 32 and 128 bits, we support only full bytes for now.
*
* @param id permanent identity to request quintuplet for
* @param rand random value rand
@ -75,12 +79,13 @@ struct sim_card_t {
* @param ck buffer receiving encryption key ck
* @param ik buffer receiving integrity key ik
* @param res buffer receiving authentication result res
* @param res_len nubmer of bytes written to res buffer
* @return SUCCESS, FAILED, or INVALID_STATE if out of sync
*/
status_t (*get_quintuplet)(sim_card_t *this, identification_t *id,
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]);
char res[AKA_RES_MAX], int *res_len);
/**
* Calculate AUTS from RAND for AKA resynchronization.
@ -161,16 +166,23 @@ struct sim_provider_t {
/**
* Create a challenge for AKA authentication.
*
* The XRES value is the only one with variable length. Pass a buffer
* of at least AKA_RES_MAX, the actual number of bytes is written to the
* xres_len value. While the standard would allow any bit length between
* 32 and 128 bits, we support only full bytes for now.
*
* @param id permanent identity of peer to create challenge for
* @param rand buffer receiving random value rand
* @param xres buffer receiving expected authentication result xres
* @param xres_len nubmer of bytes written to xres buffer
* @param ck buffer receiving encryption key ck
* @param ik buffer receiving integrity key ik
* @param autn authentication token autn
* @return TRUE if quintuplet generated successfully
*/
bool (*get_quintuplet)(sim_provider_t *this, identification_t *id,
char rand[AKA_RAND_LEN], char xres[AKA_RES_LEN],
char rand[AKA_RAND_LEN],
char xres[AKA_RES_MAX], int *xres_len,
char ck[AKA_CK_LEN], char ik[AKA_IK_LEN],
char autn[AKA_AUTN_LEN]);
@ -266,12 +278,13 @@ struct sim_manager_t {
* @param ck buffer receiving encryption key ck
* @param ik buffer receiving integrity key ik
* @param res buffer receiving authentication result res
* @param res_len nubmer of bytes written to res buffer
* @return SUCCESS, FAILED, or INVALID_STATE if out of sync
*/
status_t (*card_get_quintuplet)(sim_manager_t *this, identification_t *id,
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]);
char res[AKA_RES_MAX], int *res_len);
/**
* Calculate resynchronization data on one of the registered SIM cards.
@ -365,7 +378,8 @@ struct sim_manager_t {
* @return TRUE if quintuplet received, FALSE if no match found
*/
bool (*provider_get_quintuplet)(sim_manager_t *this, identification_t *id,
char rand[AKA_RAND_LEN], char xres[AKA_RES_LEN],
char rand[AKA_RAND_LEN],
char xres[AKA_RES_MAX], int *xres_len,
char ck[AKA_CK_LEN], char ik[AKA_IK_LEN],
char autn[AKA_AUTN_LEN]);