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140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSUE_USIM_H
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#define SRSUE_USIM_H
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#include <string>
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#include "usim_base.h"
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#include "srslte/common/log.h"
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#include "srslte/common/common.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/common/security.h"
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namespace srsue {
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class usim
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:public usim_base
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{
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public:
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usim(srslte::log* log_);
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int init(usim_args_t* args);
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void stop();
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// NAS interface
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std::string get_imsi_str();
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std::string get_imei_str();
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bool get_imsi_vec(uint8_t* imsi_, uint32_t n);
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bool get_imei_vec(uint8_t* imei_, uint32_t n);
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bool get_home_plmn_id(srslte::plmn_id_t* home_plmn_id);
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auth_result_t generate_authentication_response(uint8_t *rand,
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uint8_t *autn_enb,
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uint16_t mcc,
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uint16_t mnc,
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uint8_t *res,
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int *res_len,
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uint8_t *k_asme);
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void generate_nas_keys(uint8_t *k_asme,
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uint8_t *k_nas_enc,
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uint8_t *k_nas_int,
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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// RRC interface
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void generate_as_keys(uint8_t *k_asme,
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uint32_t count_ul,
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uint8_t *k_rrc_enc,
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uint8_t *k_rrc_int,
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uint8_t *k_up_enc,
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uint8_t *k_up_int,
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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void generate_as_keys_ho(uint32_t pci,
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uint32_t earfcn,
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int ncc,
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uint8_t *k_rrc_enc,
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uint8_t *k_rrc_int,
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uint8_t *k_up_enc,
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uint8_t *k_up_int,
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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private:
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auth_result_t gen_auth_res_milenage(uint8_t *rand,
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uint8_t *autn_enb,
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uint16_t mcc,
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uint16_t mnc,
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uint8_t *res,
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int *res_len,
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uint8_t *k_asme);
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auth_result_t gen_auth_res_xor(uint8_t *rand,
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uint8_t *autn_enb,
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uint16_t mcc,
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uint16_t mnc,
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uint8_t *res,
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int *res_len,
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uint8_t *k_asme);
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void str_to_hex(std::string str, uint8_t *hex);
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srslte::log *usim_log;
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// User data
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auth_algo_t auth_algo;
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uint8_t amf[2]; // 3GPP 33.102 v10.0.0 Annex H
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uint8_t op[16];
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uint8_t opc[16];
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uint64_t imsi;
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uint64_t imei;
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uint8_t k[16];
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std::string imsi_str;
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std::string imei_str;
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// Security variables
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uint8_t rand[16];
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uint8_t ck[16];
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uint8_t ik[16];
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uint8_t ak[6];
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uint8_t mac[8];
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uint8_t autn[16];
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uint8_t k_asme[32];
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uint8_t nh[32];
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uint8_t k_enb_initial[32];
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uint8_t k_enb[32];
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uint8_t k_enb_star[32];
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uint32_t current_ncc;
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bool is_first_ncc;
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bool initiated;
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};
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} // namespace srsue
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#endif // SRSUE_USIM_H
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