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353 lines
16 KiB
C
353 lines
16 KiB
C
4 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 2014 Ben Wojtowicz
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* 2016-2020 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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8 years ago
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4 years ago
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#ifndef SRSRAN_LIBLTE_SECURITY_H
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#define SRSRAN_LIBLTE_SECURITY_H
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8 years ago
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/*******************************************************************************
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INCLUDES
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*******************************************************************************/
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4 years ago
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#include "srsran/asn1/liblte_common.h"
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8 years ago
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/*******************************************************************************
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DEFINES
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*******************************************************************************/
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/*******************************************************************************
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TYPEDEFS
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*******************************************************************************/
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/*******************************************************************************
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DECLARATIONS
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*******************************************************************************/
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7 years ago
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/*********************************************************************
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Name: compute_OPc
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Description: Computes OPc from OP and K.
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Document Reference: 35.206 v10.0.0 Annex 3
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*********************************************************************/
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6 years ago
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LIBLTE_ERROR_ENUM liblte_compute_opc(uint8* k, uint8* op, uint8* op_c);
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7 years ago
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8 years ago
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/*********************************************************************
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Name: liblte_security_generate_k_asme
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Description: Generate the security key Kasme.
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Document Reference: 33.401 v10.0.0 Annex A.2
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM
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liblte_security_generate_k_asme(uint8* ck, uint8* ik, uint8* ak, uint8* sqn, uint16 mcc, uint16 mnc, uint8* k_asme);
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8 years ago
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/*********************************************************************
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Name: liblte_security_generate_k_enb
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Description: Generate the security key Kenb.
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Document Reference: 33.401 v10.0.0 Annex A.2
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_k_enb(uint8* k_asme, uint32 nas_count, uint8* k_enb);
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8 years ago
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_k_enb_star(uint8* k_enb, uint32 pci, uint32_t earfcn, uint8* k_enb_star);
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7 years ago
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_nh(uint8_t* k_asme, uint8_t* sync, uint8_t* nh);
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7 years ago
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8 years ago
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/*********************************************************************
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Name: liblte_security_generate_k_nas
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Description: Generate the NAS security keys KNASenc and KNASint.
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Document Reference: 33.401 v10.0.0 Annex A.2
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*********************************************************************/
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// Defines
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// Enums
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6 years ago
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typedef enum {
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_EEA0 = 0,
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_128_EEA1,
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_128_EEA2,
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6 years ago
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_128_EEA3,
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6 years ago
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_N_ITEMS,
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} LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM;
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static const char liblte_security_ciphering_algorithm_id_text[LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_N_ITEMS][20] = {
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5 years ago
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"EEA0",
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"128-EEA1",
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"128-EEA2"};
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6 years ago
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typedef enum {
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_EIA0 = 0,
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_128_EIA1,
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_128_EIA2,
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6 years ago
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_128_EIA3,
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6 years ago
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_N_ITEMS,
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} LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM;
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static const char liblte_security_integrity_algorithm_id_text[LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_N_ITEMS][20] = {
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5 years ago
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"EIA0",
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"128-EIA1",
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"128-EIA2"};
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8 years ago
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_k_nas(uint8* k_asme,
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8* k_nas_enc,
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uint8* k_nas_int);
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7 years ago
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8 years ago
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/*********************************************************************
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Name: liblte_security_generate_k_rrc
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Description: Generate the RRC security keys KRRCenc and KRRCint.
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Document Reference: 33.401 v10.0.0 Annex A.2
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_k_rrc(uint8* k_enb,
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8* k_rrc_enc,
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uint8* k_rrc_int);
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8 years ago
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/*********************************************************************
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Name: liblte_security_generate_k_up
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Description: Generate the user plane security keys KUPenc and
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KUPint.
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Document Reference: 33.401 v10.0.0 Annex A.2
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_k_up(uint8* k_enb,
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8* k_up_enc,
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uint8* k_up_int);
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8 years ago
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4 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_sk_gnb(uint8_t* k_enb, uint8_t* sk_gnb, uint16_t scg_counter);
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8 years ago
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/*********************************************************************
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Name: liblte_security_128_eia2
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Description: 128-bit integrity algorithm EIA2.
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Document Reference: 33.401 v10.0.0 Annex B.2.3
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33.102 v10.0.0 Section 6.5.4
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RFC4493
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*********************************************************************/
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// Defines
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6 years ago
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#define LIBLTE_SECURITY_DIRECTION_UPLINK 0
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8 years ago
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#define LIBLTE_SECURITY_DIRECTION_DOWNLINK 1
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// Enums
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// Structs
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// Functions
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5 years ago
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LIBLTE_ERROR_ENUM liblte_security_128_eia1(const uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* msg,
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5 years ago
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uint32 msg_len,
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uint8* mac);
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5 years ago
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LIBLTE_ERROR_ENUM liblte_security_128_eia2(const uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* msg,
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uint32 msg_len,
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uint8* mac);
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LIBLTE_ERROR_ENUM liblte_security_128_eia2(const uint8* key,
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5 years ago
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uint32 count,
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uint8 bearer,
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uint8 direction,
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LIBLTE_BIT_MSG_STRUCT* msg,
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uint8* mac);
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5 years ago
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LIBLTE_ERROR_ENUM liblte_security_128_eia3(const uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* msg,
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uint32 msg_len,
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uint8* mac);
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8 years ago
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7 years ago
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/*********************************************************************
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Name: liblte_security_encryption_eea1
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Description: 128-bit encryption algorithm EEA1.
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Document Reference: 33.401 v13.1.0 Annex B.1.2
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35.215 v13.0.0 References
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Specification of the 3GPP Confidentiality and
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Integrity Algorithms UEA2 & UIA2 D1 v2.1
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*********************************************************************/
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5 years ago
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LIBLTE_ERROR_ENUM liblte_security_encryption_eea1(uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* msg,
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uint32 msg_len,
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uint8* out);
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7 years ago
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/*********************************************************************
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Name: liblte_security_decryption_eea1
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Description: 128-bit decryption algorithm EEA1.
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Document Reference: 33.401 v13.1.0 Annex B.1.2
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35.215 v13.0.0 References
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Specification of the 3GPP Confidentiality and
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Integrity Algorithms UEA2 & UIA2 D1 v2.1
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*********************************************************************/
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5 years ago
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LIBLTE_ERROR_ENUM liblte_security_decryption_eea1(uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* ct,
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uint32 ct_len,
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uint8* out);
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7 years ago
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/*********************************************************************
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Name: liblte_security_encryption_eea2
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Description: 128-bit encryption algorithm EEA2.
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Document Reference: 33.401 v13.1.0 Annex B.1.3
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*********************************************************************/
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5 years ago
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LIBLTE_ERROR_ENUM liblte_security_encryption_eea2(uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* msg,
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uint32 msg_len,
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uint8* out);
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7 years ago
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/*********************************************************************
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Name: liblte_security_decryption_eea2
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Description: 128-bit decryption algorithm EEA2.
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Document Reference: 33.401 v13.1.0 Annex B.1.3
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*********************************************************************/
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5 years ago
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LIBLTE_ERROR_ENUM liblte_security_decryption_eea2(uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* ct,
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uint32 ct_len,
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uint8* out);
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LIBLTE_ERROR_ENUM liblte_security_encryption_eea3(uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* msg,
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uint32 msg_len,
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uint8* out);
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LIBLTE_ERROR_ENUM liblte_security_decryption_eea3(uint8* key,
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uint32 count,
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uint8 bearer,
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uint8 direction,
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uint8* msg,
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uint32 msg_len,
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uint8* out);
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6 years ago
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8 years ago
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/*********************************************************************
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Name: liblte_security_milenage_f1
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Description: Milenage security function F1. Computes network
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authentication code MAC-A from key K, random
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challenge RAND, sequence number SQN, and
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authentication management field AMF.
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Document Reference: 35.206 v10.0.0 Annex 3
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_milenage_f1(uint8* k, uint8* op, uint8* rand, uint8* sqn, uint8* amf, uint8* mac_a);
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8 years ago
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/*********************************************************************
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Name: liblte_security_milenage_f1_star
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Description: Milenage security function F1*. Computes resynch
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authentication code MAC-S from key K, random
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challenge RAND, sequence number SQN, and
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authentication management field AMF.
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Document Reference: 35.206 v10.0.0 Annex 3
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM
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liblte_security_milenage_f1_star(uint8* k, uint8* op, uint8* rand, uint8* sqn, uint8* amf, uint8* mac_s);
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8 years ago
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/*********************************************************************
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Name: liblte_security_milenage_f2345
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Description: Milenage security functions F2, F3, F4, and F5.
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Computes response RES, confidentiality key CK,
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integrity key IK, and anonymity key AK from random
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challenge RAND.
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Document Reference: 35.206 v10.0.0 Annex 3
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM
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liblte_security_milenage_f2345(uint8* k, uint8* op, uint8* rand, uint8* res, uint8* ck, uint8* ik, uint8* ak);
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8 years ago
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/*********************************************************************
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Name: liblte_security_milenage_f5_star
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Description: Milenage security function F5*. Computes resynch
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anonymity key AK from key K and random challenge
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RAND.
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Document Reference: 35.206 v10.0.0 Annex 3
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*********************************************************************/
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// Defines
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// Enums
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// Structs
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// Functions
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6 years ago
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LIBLTE_ERROR_ENUM liblte_security_milenage_f5_star(uint8* k, uint8* op, uint8* rand, uint8* ak);
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8 years ago
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4 years ago
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LIBLTE_ERROR_ENUM liblte_security_generate_k_nr_rrc(uint8* k_gnb,
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8* k_rrc_enc,
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uint8* k_rrc_int);
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LIBLTE_ERROR_ENUM liblte_security_generate_k_nr_up(uint8* k_gnb,
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LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
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LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
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uint8* k_up_enc,
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uint8* k_up_int);
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4 years ago
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#endif // SRSRAN_LIBLTE_SECURITY_H
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