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128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
8 years ago
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsUE library.
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*
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* srsUE 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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* srsUE 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 USIM_H
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#define USIM_H
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#include <string>
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#include "common/log.h"
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#include "common/common.h"
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#include "common/interfaces.h"
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#include "common/security.h"
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namespace srsue {
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typedef enum{
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auth_algo_milenage = 0,
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auth_algo_xor,
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}auth_algo_t;
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typedef struct{
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std::string algo;
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std::string op;
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std::string amf;
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std::string imsi;
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std::string imei;
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std::string k;
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}usim_args_t;
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class usim
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:public usim_interface_nas
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,public usim_interface_rrc
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{
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public:
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usim();
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void init(usim_args_t *args, srslte::log *usim_log_);
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void stop();
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// NAS interface
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void get_imsi_vec(uint8_t* imsi_, uint32_t n);
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void get_imei_vec(uint8_t* imei_, uint32_t n);
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void 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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bool *net_valid,
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uint8_t *res);
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void generate_nas_keys(uint8_t *k_nas_enc,
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uint8_t *k_nas_int,
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CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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// RRC interface
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void generate_as_keys(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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CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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private:
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void 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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bool *net_valid,
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uint8_t *res);
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void 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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bool *net_valid,
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uint8_t *res);
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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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uint64_t imsi;
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uint64_t imei;
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uint8_t k[16];
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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 k_enb[32];
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};
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} // namespace srsue
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#endif // USIM_H
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