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srsRAN_4G
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Initial code to generate Kasme, rand, autn and xres

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master
Pedro Alvarez 7 years ago
parent 470c815196
commit 9c54a8b7de
3 changed files with 47 additions and 97 deletions
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2
srsepc/hdr/hss/hss.h
Unescape Escape View File

@ -58,7 +58,7 @@ public:
void get_sqn(uint8_t sqn[6]);
void gen_rand(uint8_t rand_[16]);
bool get_k_amf_op(uint64_t imsi, uint8_t *k, uint8_t *amf, uint8_t *op);
bool gen_auth_info_answer_milenage(uint64_t imsi, uint8_t *kasme, uint8_t *autn, uint8_t *rand, uint8_t *xres);
bool gen_auth_info_answer_milenage(uint64_t imsi, uint8_t *k_asme, uint8_t *autn, uint8_t *rand, uint8_t *xres);
private:

39
srsepc/src/hss/hss.cc
Unescape Escape View File

@ -27,6 +27,9 @@
#include <time.h> /* time */
#include <boost/thread/mutex.hpp>
#include "hss/hss.h"
#include "srslte/common/security.h"
using namespace srslte;
namespace srsepc{
@ -82,14 +85,21 @@ hss::init(hss_args_t *hss_args, srslte::logger *logger)
}
bool
hss::gen_auth_info_answer_milenage(uint64_t imsi, uint8_t *kasme, uint8_t *autn, uint8_t *rand, uint8_t *xres)
hss::gen_auth_info_answer_milenage(uint64_t imsi, uint8_t *k_asme, uint8_t *autn, uint8_t *rand, uint8_t *xres)
{
uint8_t k[16];
uint8_t amf[2];
uint8_t op[16];
//uint8_t rand[16];
uint8_t sqn[6];
uint8_t ck[16];
uint8_t ik[16];
uint8_t ak[6];
uint8_t mac[8];
uint16_t mcc=1;
uint16_t mnc=1;
if(!get_k_amf_op(imsi,k,amf,op))
{
return false;
@ -97,6 +107,31 @@ hss::gen_auth_info_answer_milenage(uint64_t imsi, uint8_t *kasme, uint8_t *autn,
gen_rand(rand);
get_sqn(sqn);
security_milenage_f2345( k,
op,
rand,
xres,
ck,
ik,
ak);
security_milenage_f1( k,
op,
rand,
sqn,
amf,
mac);
// Generate K_asme
security_generate_k_asme( ck,
ik,
ak,
sqn,
mcc,
mnc,
k_asme);
return true;
}

103
srsepc/src/mme/s1ap.cc
Unescape Escape View File

@ -356,107 +356,22 @@ s1ap::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *msg
if(msg->LHN_ID_present){
m_s1ap_log->warning("LHN Id present, but not handled.");
}
if(!m_hss->get_k_amf_op(imsi, k, amf, op))
uint8_t k_asme[32];
uint8_t autn[16];
uint8_t rand[6];
uint8_t xres[16];
if(!m_hss->gen_auth_info_answer_milenage(imsi, k_asme, autn, rand, xres))
{
m_s1ap_log->console("User not found. IMSI %015lu\n",imsi);
m_s1ap_log->info("User not found. IMSI %015lu\n",imsi);
return false;
}
m_s1ap_nas_transport->gen_auth_request();
/*
typedef struct{
LIBLTE_MME_NAS_KEY_SET_ID_STRUCT nas_ksi;
LIBLTE_MME_EPS_MOBILE_ID_STRUCT eps_mobile_id;
LIBLTE_MME_UE_NETWORK_CAPABILITY_STRUCT ue_network_cap;
LIBLTE_BYTE_MSG_STRUCT esm_msg;
LIBLTE_MME_EPS_MOBILE_ID_STRUCT additional_guti;
LIBLTE_MME_TRACKING_AREA_ID_STRUCT last_visited_registered_tai;
LIBLTE_MME_DRX_PARAMETER_STRUCT drx_param;
LIBLTE_MME_MS_NETWORK_CAPABILITY_STRUCT ms_network_cap;
LIBLTE_MME_LOCATION_AREA_ID_STRUCT old_lai;
LIBLTE_MME_MOBILE_STATION_CLASSMARK_2_STRUCT ms_cm2;
LIBLTE_MME_MOBILE_STATION_CLASSMARK_3_STRUCT ms_cm3;
LIBLTE_MME_SUPPORTED_CODEC_LIST_STRUCT supported_codecs;
LIBLTE_MME_VOICE_DOMAIN_PREF_AND_UE_USAGE_SETTING_STRUCT voice_domain_pref_and_ue_usage_setting;
LIBLTE_MME_TMSI_STATUS_ENUM tmsi_status;
LIBLTE_MME_ADDITIONAL_UPDATE_TYPE_ENUM additional_update_type;
LIBLTE_MME_DEVICE_PROPERTIES_ENUM device_properties;
LIBLTE_MME_GUTI_TYPE_ENUM old_guti_type;
uint32 old_p_tmsi_signature;
uint8 eps_attach_type;
bool old_p_tmsi_signature_present;
bool additional_guti_present;
bool last_visited_registered_tai_present;
bool drx_param_present;
bool ms_network_cap_present;
bool old_lai_present;
bool tmsi_status_present;
bool ms_cm2_present;
bool ms_cm3_present;
bool supported_codecs_present;
bool additional_update_type_present;
bool voice_domain_pref_and_ue_usage_setting_present;
bool device_properties_present;
bool old_guti_type_present;
}LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT;
*/
/*
typedef struct{
LIBLTE_MME_ACCESS_POINT_NAME_STRUCT apn;
LIBLTE_MME_PROTOCOL_CONFIG_OPTIONS_STRUCT protocol_cnfg_opts;
LIBLTE_MME_ESM_INFO_TRANSFER_FLAG_ENUM esm_info_transfer_flag;
LIBLTE_MME_DEVICE_PROPERTIES_ENUM device_properties;
uint8 eps_bearer_id;
uint8 proc_transaction_id;
uint8 pdn_type;
uint8 request_type;
bool esm_info_transfer_flag_present;
bool apn_present;
bool protocol_cnfg_opts_present;
bool device_properties_present;
}LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT;
*/
/*
typedef struct{
bool ext;
LIBLTE_S1AP_ENB_UE_S1AP_ID_STRUCT eNB_UE_S1AP_ID;
LIBLTE_S1AP_NAS_PDU_STRUCT NAS_PDU;
LIBLTE_S1AP_TAI_STRUCT TAI;
LIBLTE_S1AP_EUTRAN_CGI_STRUCT EUTRAN_CGI;
LIBLTE_S1AP_RRC_ESTABLISHMENT_CAUSE_ENUM_EXT RRC_Establishment_Cause;
LIBLTE_S1AP_S_TMSI_STRUCT S_TMSI;
bool S_TMSI_present;
LIBLTE_S1AP_CSG_ID_STRUCT CSG_Id;
bool CSG_Id_present;
LIBLTE_S1AP_GUMMEI_STRUCT GUMMEI_ID;
bool GUMMEI_ID_present;
LIBLTE_S1AP_CELLACCESSMODE_ENUM_EXT CellAccessMode;
bool CellAccessMode_present;
LIBLTE_S1AP_TRANSPORTLAYERADDRESS_STRUCT GW_TransportLayerAddress;
bool GW_TransportLayerAddress_present;
LIBLTE_S1AP_RELAYNODE_INDICATOR_ENUM_EXT RelayNode_Indicator;
bool RelayNode_Indicator_present;
LIBLTE_S1AP_GUMMEITYPE_ENUM_EXT GUMMEIType;
bool GUMMEIType_present;
LIBLTE_S1AP_TUNNELINFORMATION_STRUCT Tunnel_Information_for_BBF;
bool Tunnel_Information_for_BBF_present;
LIBLTE_S1AP_TRANSPORTLAYERADDRESS_STRUCT SIPTO_L_GW_TransportLayerAddress;
bool SIPTO_L_GW_TransportLayerAddress_present;
LIBLTE_S1AP_LHN_ID_STRUCT LHN_ID;
bool LHN_ID_present;
}LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT;
*/
//Send Reply to eNB
//ssize_t n_sent = sctp_send(m_s1mme,reply_msg.msg, reply_msg.N_bytes, enb_sri, 0);
//if(n_sent == -1)
//{
// m_s1ap_log->console("Failed to send S1 Setup Setup Reply");
// return false;
//}
return true;
}

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