mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
181 lines
7.5 KiB
C++
181 lines
7.5 KiB
C++
/*
|
|
* Copyright 2013-2019 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 SRSLTE_SECURITY_H
|
|
#define SRSLTE_SECURITY_H
|
|
|
|
/******************************************************************************
|
|
* Common security header - wraps ciphering/integrity check algorithms.
|
|
*****************************************************************************/
|
|
|
|
#include "srslte/common/common.h"
|
|
|
|
namespace srslte {
|
|
|
|
typedef enum {
|
|
CIPHERING_ALGORITHM_ID_EEA0 = 0,
|
|
CIPHERING_ALGORITHM_ID_128_EEA1,
|
|
CIPHERING_ALGORITHM_ID_128_EEA2,
|
|
CIPHERING_ALGORITHM_ID_128_EEA3,
|
|
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",
|
|
"128-EEA3"};
|
|
|
|
typedef enum {
|
|
INTEGRITY_ALGORITHM_ID_EIA0 = 0,
|
|
INTEGRITY_ALGORITHM_ID_128_EIA1,
|
|
INTEGRITY_ALGORITHM_ID_128_EIA2,
|
|
INTEGRITY_ALGORITHM_ID_128_EIA3,
|
|
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",
|
|
"128-EIA3"};
|
|
|
|
typedef enum {
|
|
SECURITY_DIRECTION_UPLINK = 0,
|
|
SECURITY_DIRECTION_DOWNLINK = 1,
|
|
SECURITY_DIRECTION_N_ITEMS,
|
|
} security_direction_t;
|
|
static const char security_direction_text[INTEGRITY_ALGORITHM_ID_N_ITEMS][20] = {"Uplink", "Downlink"};
|
|
|
|
using as_key_t = std::array<uint8_t, 32>;
|
|
struct as_security_config_t {
|
|
as_key_t k_rrc_int;
|
|
as_key_t k_rrc_enc;
|
|
as_key_t k_up_int;
|
|
as_key_t k_up_enc;
|
|
INTEGRITY_ALGORITHM_ID_ENUM integ_algo;
|
|
CIPHERING_ALGORITHM_ID_ENUM cipher_algo;
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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,
|
|
uint32_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,
|
|
uint32_t bearer,
|
|
uint8_t direction,
|
|
uint8_t* msg,
|
|
uint32_t msg_len,
|
|
uint8_t* mac);
|
|
|
|
uint8_t security_128_eia3(uint8_t* key,
|
|
uint32_t count,
|
|
uint32_t bearer,
|
|
uint8_t direction,
|
|
uint8_t* msg,
|
|
uint32_t msg_len,
|
|
uint8_t* mac);
|
|
|
|
uint8_t security_md5(const uint8_t* input, size_t len, uint8_t* output);
|
|
|
|
/******************************************************************************
|
|
* Encryption / Decryption
|
|
*****************************************************************************/
|
|
uint8_t security_128_eea1(uint8_t* key,
|
|
uint32_t count,
|
|
uint8_t bearer,
|
|
uint8_t direction,
|
|
uint8_t* msg,
|
|
uint32_t msg_len,
|
|
uint8_t* msg_out);
|
|
|
|
uint8_t security_128_eea2(uint8_t* key,
|
|
uint32_t count,
|
|
uint8_t bearer,
|
|
uint8_t direction,
|
|
uint8_t* msg,
|
|
uint32_t msg_len,
|
|
uint8_t* msg_out);
|
|
|
|
uint8_t security_128_eea3(uint8_t* key,
|
|
uint32_t count,
|
|
uint8_t bearer,
|
|
uint8_t direction,
|
|
uint8_t* msg,
|
|
uint32_t msg_len,
|
|
uint8_t* msg_out);
|
|
|
|
/******************************************************************************
|
|
* Authentication
|
|
*****************************************************************************/
|
|
uint8_t compute_opc(uint8_t* k, uint8_t* op, uint8_t* opc);
|
|
|
|
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 srslte
|
|
#endif // SRSLTE_SECURITY_H
|