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OpenXG-AMF-Simple
Commit 510181bb authored by yangjian's avatar yangjian
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BUG: Part of the Ausf code was accidentally deleted

parent 7914083c
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Showing with 33 additions and 24 deletions
src/amf-app/amf_n1.cpp
View file @ 510181bb
...@@ -1730,30 +1730,39 @@ void amf_n1::authentication_response_handle(uint32_t ran_ue_ngap_id, ...@@ -1730,30 +1730,39 @@ void amf_n1::authentication_response_handle(uint32_t ran_ue_ngap_id,
Logger::amf_n1().warn( Logger::amf_n1().warn(
"Cannot receive AuthenticationResponseParameter (RES*)"); "Cannot receive AuthenticationResponseParameter (RES*)");
} else { } else {
// Get stored XRES* if(amf_cfg.is_Nausf)
int secu_index = nc.get()->security_ctx->vector_pointer; {
uint8_t *hxresStar = nc.get()->_5g_av[secu_index].hxresStar; std::string data = bdata(resStar);
// Calculate HRES* from received RES*, then compare with XRES stored in if(!_5g_aka_confirmation_from_ausf(nc,data))
// nas_context isAuthOk = false;
uint8_t inputstring[32]; }
uint8_t *res = (uint8_t *)bdata(resStar); else
Logger::amf_n1().debug("Start to calculate HRES* from received RES*"); {
memcpy(&inputstring[0], nc.get()->_5g_av[secu_index].rand, 16); // Get stored XRES*
memcpy(&inputstring[16], res, blength(resStar)); int secu_index = nc.get()->security_ctx->vector_pointer;
unsigned char sha256Out[Sha256::DIGEST_SIZE]; uint8_t *hxresStar = nc.get()->_5g_av[secu_index].hxresStar;
sha256((unsigned char *)inputstring, 16 + blength(resStar), sha256Out); // Calculate HRES* from received RES*, then compare with XRES stored in
uint8_t hres[16]; // nas_context
for (int i = 0; i < 16; i++) hres[i] = (uint8_t)sha256Out[i]; uint8_t inputstring[32];
print_buffer("amf_n1", "Received RES* From Authentication-Response", res, uint8_t *res = (uint8_t *)bdata(resStar);
16); Logger::amf_n1().debug("Start to calculate HRES* from received RES*");
print_buffer("amf_n1", "Stored XRES* in 5G HE AV", memcpy(&inputstring[0], nc.get()->_5g_av[secu_index].rand, 16);
nc.get()->_5g_he_av[secu_index].xresStar, 16); memcpy(&inputstring[16], res, blength(resStar));
print_buffer("amf_n1", "Stored XRES in 5G HE AV", unsigned char sha256Out[Sha256::DIGEST_SIZE];
nc.get()->_5g_he_av[secu_index].xres, 8); sha256((unsigned char *)inputstring, 16 + blength(resStar), sha256Out);
print_buffer("amf_n1", "Computed HRES* from RES*", hres, 16); uint8_t hres[16];
print_buffer("amf_n1", "Computed HXRES* from XRES*", hxresStar, 16); for (int i = 0; i < 16; i++) hres[i] = (uint8_t)sha256Out[i];
for (int i = 0; i < 16; i++) { print_buffer("amf_n1", "Received RES* From Authentication-Response", res,
if (hxresStar[i] != hres[i]) isAuthOk = false; 16);
print_buffer("amf_n1", "Stored XRES* in 5G HE AV",
nc.get()->_5g_he_av[secu_index].xresStar, 16);
print_buffer("amf_n1", "Stored XRES in 5G HE AV",
nc.get()->_5g_he_av[secu_index].xres, 8);
print_buffer("amf_n1", "Computed HRES* from RES*", hres, 16);
print_buffer("amf_n1", "Computed HXRES* from XRES*", hxresStar, 16);
for (int i = 0; i < 16; i++) {
if (hxresStar[i] != hres[i]) isAuthOk = false;
}
} }
} }
// If success, start SMC procedure; else if failure, response registration // If success, start SMC procedure; else if failure, response registration
......
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