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C++

/**
* Copyright 2013-2020 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSUE_USIM_H
#define SRSUE_USIM_H
#include "srslte/common/common.h"
#include "srslte/common/log.h"
#include "srslte/common/security.h"
#include "srslte/interfaces/ue_interfaces.h"
#include "usim_base.h"
#include <string>
namespace srsue {
class usim : public usim_base
{
public:
usim(srslte::log* log_);
int init(usim_args_t* args);
void stop();
// NAS interface
auth_result_t generate_authentication_response(uint8_t* rand,
uint8_t* autn_enb,
uint16_t mcc,
uint16_t mnc,
uint8_t* res,
int* res_len,
uint8_t* k_asme);
private:
auth_result_t gen_auth_res_milenage(uint8_t* rand,
uint8_t* autn_enb,
uint16_t mcc,
uint16_t mnc,
uint8_t* res,
int* res_len,
uint8_t* k_asme);
auth_result_t gen_auth_res_xor(uint8_t* rand,
uint8_t* autn_enb,
uint16_t mcc,
uint16_t mnc,
uint8_t* res,
int* res_len,
uint8_t* k_asme);
// Helpers
virtual std::string get_mnc_str(const uint8_t* imsi_vec, std::string mcc_str) final;
void str_to_hex(std::string str, uint8_t* hex);
// User data
auth_algo_t auth_algo = auth_algo_milenage;
uint8_t amf[2] = {}; // 3GPP 33.102 v10.0.0 Annex H
uint8_t op[16] = {};
uint8_t opc[16] = {};
uint8_t k[16] = {};
// Security variables
uint8_t mac[8] = {};
uint8_t autn[16] = {};
};
} // namespace srsue
#endif // SRSUE_USIM_H