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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2015 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of the srsUE library.
*
* srsUE 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.
*
* srsUE 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 SECURITY_H
#define SECURITY_H
/******************************************************************************
* Common security header - wraps ciphering/integrity check algorithms.
*****************************************************************************/
#include "srslte/common/common.h"
#define SECURITY_DIRECTION_UPLINK 0
#define SECURITY_DIRECTION_DOWNLINK 1
namespace srslte {
typedef enum{
CIPHERING_ALGORITHM_ID_EEA0 = 0,
CIPHERING_ALGORITHM_ID_128_EEA1,
CIPHERING_ALGORITHM_ID_128_EEA2,
CIPHERING_ALGORITHM_ID_N_ITEMS,
}CIPHERING_ALGORITHM_ID_ENUM;
static const char ciphering_algorithm_id_text[CIPHERING_ALGORITHM_ID_N_ITEMS][20] = {"EEA0",
"128-EEA1",
"128-EEA2"};
typedef enum{
INTEGRITY_ALGORITHM_ID_EIA0 = 0,
INTEGRITY_ALGORITHM_ID_128_EIA1,
INTEGRITY_ALGORITHM_ID_128_EIA2,
INTEGRITY_ALGORITHM_ID_N_ITEMS,
}INTEGRITY_ALGORITHM_ID_ENUM;
static const char integrity_algorithm_id_text[INTEGRITY_ALGORITHM_ID_N_ITEMS][20] = {"EIA0",
"128-EIA1",
"128-EIA2"};
/******************************************************************************
* Key Generation
*****************************************************************************/
uint8_t security_generate_k_asme( uint8_t *ck,
uint8_t *ik,
uint8_t *ak,
uint8_t *sqn,
uint16_t mcc,
uint16_t mnc,
uint8_t *k_asme);
uint8_t security_generate_k_enb( uint8_t *k_asme,
uint32_t nas_count,
uint8_t *k_enb);
uint8_t security_generate_k_enb_star( uint8_t *k_enb,
uint32_t pci,
uint32_t earfcn,
uint8_t *k_enb_star);
uint8_t security_generate_nh( uint8_t *k_asme,
uint8_t *sync,
uint8_t *nh);
uint8_t security_generate_k_nas( uint8_t *k_asme,
CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
uint8_t *k_nas_enc,
uint8_t *k_nas_int);
uint8_t security_generate_k_rrc( uint8_t *k_enb,
CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
uint8_t *k_rrc_enc,
uint8_t *k_rrc_int);
uint8_t security_generate_k_up( uint8_t *k_enb,
CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
uint8_t *k_up_enc,
uint8_t *k_up_int);
/******************************************************************************
* Integrity Protection
*****************************************************************************/
uint8_t security_128_eia1( uint8_t *key,
uint32_t count,
uint8_t bearer,
uint8_t direction,
uint8_t *msg,
uint32_t msg_len,
uint8_t *mac);
uint8_t security_128_eia2( uint8_t *key,
uint32_t count,
uint8_t bearer,
uint8_t direction,
uint8_t *msg,
uint32_t msg_len,
uint8_t *mac);
/******************************************************************************
* Authentication
*****************************************************************************/
uint8_t security_milenage_f1( uint8_t *k,
uint8_t *op,
uint8_t *rand,
uint8_t *sqn,
uint8_t *amf,
uint8_t *mac_a);
uint8_t security_milenage_f1_star( uint8_t *k,
uint8_t *op,
uint8_t *rand,
uint8_t *sqn,
uint8_t *amf,
uint8_t *mac_s);
uint8_t security_milenage_f2345( uint8_t *k,
uint8_t *op,
uint8_t *rand,
uint8_t *res,
uint8_t *ck,
uint8_t *ik,
uint8_t *ak);
uint8_t security_milenage_f5_star( uint8_t *k,
uint8_t *op,
uint8_t *rand,
uint8_t *ak);
} // namespace srsue
#endif // SECURITY_H