mirror of https://github.com/PentHertz/srsLTE.git
152 lines
6.0 KiB
C++
152 lines
6.0 KiB
C++
/**
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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 SECURITY_H
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#define SECURITY_H
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/******************************************************************************
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* Common security header - wraps ciphering/integrity check algorithms.
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*****************************************************************************/
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#include "srslte/common/common.h"
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#define SECURITY_DIRECTION_UPLINK 0
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#define SECURITY_DIRECTION_DOWNLINK 1
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namespace srsue{
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typedef enum{
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CIPHERING_ALGORITHM_ID_EEA0 = 0,
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CIPHERING_ALGORITHM_ID_128_EEA1,
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CIPHERING_ALGORITHM_ID_128_EEA2,
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CIPHERING_ALGORITHM_ID_N_ITEMS,
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}CIPHERING_ALGORITHM_ID_ENUM;
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static const char ciphering_algorithm_id_text[CIPHERING_ALGORITHM_ID_N_ITEMS][20] = {"EEA0",
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"128-EEA1",
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"128-EEA2"};
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typedef enum{
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INTEGRITY_ALGORITHM_ID_EIA0 = 0,
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INTEGRITY_ALGORITHM_ID_128_EIA1,
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INTEGRITY_ALGORITHM_ID_128_EIA2,
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INTEGRITY_ALGORITHM_ID_N_ITEMS,
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}INTEGRITY_ALGORITHM_ID_ENUM;
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static const char integrity_algorithm_id_text[INTEGRITY_ALGORITHM_ID_N_ITEMS][20] = {"EIA0",
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"128-EIA1",
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"128-EIA2"};
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/******************************************************************************
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* Key Generation
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*****************************************************************************/
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uint8_t security_generate_k_asme( uint8_t *ck,
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uint8_t *ik,
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uint8_t *ak,
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uint8_t *sqn,
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uint16_t mcc,
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uint16_t mnc,
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uint8_t *k_asme);
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uint8_t security_generate_k_enb( uint8_t *k_asme,
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uint32_t nas_count,
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uint8_t *k_enb);
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uint8_t security_generate_k_nas( uint8_t *k_asme,
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CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8_t *k_nas_enc,
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uint8_t *k_nas_int);
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uint8_t security_generate_k_rrc( uint8_t *k_enb,
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CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8_t *k_rrc_enc,
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uint8_t *k_rrc_int);
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uint8_t security_generate_k_up( uint8_t *k_enb,
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CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8_t *k_up_enc,
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uint8_t *k_up_int);
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/******************************************************************************
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* Integrity Protection
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*****************************************************************************/
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uint8_t security_128_eia1( uint8_t *key,
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uint32_t count,
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uint8_t bearer,
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uint8_t direction,
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uint8_t *msg,
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uint32_t msg_len,
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uint8_t *mac);
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uint8_t security_128_eia2( uint8_t *key,
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uint32_t count,
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uint8_t bearer,
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uint8_t direction,
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uint8_t *msg,
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uint32_t msg_len,
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uint8_t *mac);
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/******************************************************************************
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* Authentication
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*****************************************************************************/
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uint8_t security_milenage_f1( uint8_t *k,
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uint8_t *op,
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uint8_t *rand,
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uint8_t *sqn,
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uint8_t *amf,
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uint8_t *mac_a);
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uint8_t security_milenage_f1_star( uint8_t *k,
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uint8_t *op,
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uint8_t *rand,
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uint8_t *sqn,
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uint8_t *amf,
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uint8_t *mac_s);
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uint8_t security_milenage_f2345( uint8_t *k,
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uint8_t *op,
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uint8_t *rand,
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uint8_t *res,
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uint8_t *ck,
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uint8_t *ik,
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uint8_t *ak);
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uint8_t security_milenage_f5_star( uint8_t *k,
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uint8_t *op,
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uint8_t *rand,
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uint8_t *ak);
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} // namespace srsue
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#endif // SECURITY_H
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