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.
303 lines
13 KiB
C
303 lines
13 KiB
C
/*******************************************************************************
|
|
|
|
Copyright 2014 Ben Wojtowicz
|
|
|
|
This program 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.
|
|
|
|
This program 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.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*******************************************************************************
|
|
|
|
File: liblte_security.h
|
|
|
|
Description: Contains all the definitions for the LTE security algorithm
|
|
library.
|
|
|
|
Revision History
|
|
---------- ------------- --------------------------------------------
|
|
08/03/2014 Ben Wojtowicz Created file.
|
|
09/03/2014 Ben Wojtowicz Added key generation and EIA2.
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef SRSLTE_LIBLTE_SECURITY_H
|
|
#define SRSLTE_LIBLTE_SECURITY_H
|
|
|
|
/*******************************************************************************
|
|
INCLUDES
|
|
*******************************************************************************/
|
|
|
|
#include "srslte/asn1/liblte_common.h"
|
|
|
|
|
|
/*******************************************************************************
|
|
DEFINES
|
|
*******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
TYPEDEFS
|
|
*******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
DECLARATIONS
|
|
*******************************************************************************/
|
|
|
|
/*********************************************************************
|
|
Name: compute_OPc
|
|
|
|
Description: Computes OPc from OP and K.
|
|
|
|
Document Reference: 35.206 v10.0.0 Annex 3
|
|
*********************************************************************/
|
|
LIBLTE_ERROR_ENUM liblte_compute_opc(uint8* k, uint8* op, uint8* op_c);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_generate_k_asme
|
|
|
|
Description: Generate the security key Kasme.
|
|
|
|
Document Reference: 33.401 v10.0.0 Annex A.2
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM
|
|
liblte_security_generate_k_asme(uint8* ck, uint8* ik, uint8* ak, uint8* sqn, uint16 mcc, uint16 mnc, uint8* k_asme);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_generate_k_enb
|
|
|
|
Description: Generate the security key Kenb.
|
|
|
|
Document Reference: 33.401 v10.0.0 Annex A.2
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM liblte_security_generate_k_enb(uint8* k_asme, uint32 nas_count, uint8* k_enb);
|
|
|
|
LIBLTE_ERROR_ENUM liblte_security_generate_k_enb_star(uint8* k_enb, uint32 pci, uint32_t earfcn, uint8* k_enb_star);
|
|
|
|
LIBLTE_ERROR_ENUM liblte_security_generate_nh(uint8_t* k_asme, uint8_t* sync, uint8_t* nh);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_generate_k_nas
|
|
|
|
Description: Generate the NAS security keys KNASenc and KNASint.
|
|
|
|
Document Reference: 33.401 v10.0.0 Annex A.2
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
typedef enum {
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_EEA0 = 0,
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_128_EEA1,
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_128_EEA2,
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_128_EEA3,
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_N_ITEMS,
|
|
} LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM;
|
|
static const char liblte_security_ciphering_algorithm_id_text[LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_N_ITEMS][20] = {
|
|
"EEA0", "128-EEA1", "128-EEA2"};
|
|
typedef enum {
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_EIA0 = 0,
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_128_EIA1,
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_128_EIA2,
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_128_EIA3,
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_N_ITEMS,
|
|
} LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM;
|
|
static const char liblte_security_integrity_algorithm_id_text[LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_N_ITEMS][20] = {
|
|
"EIA0", "128-EIA1", "128-EIA2"};
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM liblte_security_generate_k_nas(uint8* k_asme,
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
|
|
uint8* k_nas_enc,
|
|
uint8* k_nas_int);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_generate_k_rrc
|
|
|
|
Description: Generate the RRC security keys KRRCenc and KRRCint.
|
|
|
|
Document Reference: 33.401 v10.0.0 Annex A.2
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM liblte_security_generate_k_rrc(uint8* k_enb,
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
|
|
uint8* k_rrc_enc,
|
|
uint8* k_rrc_int);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_generate_k_up
|
|
|
|
Description: Generate the user plane security keys KUPenc and
|
|
KUPint.
|
|
|
|
Document Reference: 33.401 v10.0.0 Annex A.2
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM liblte_security_generate_k_up(uint8* k_enb,
|
|
LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM enc_alg_id,
|
|
LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM int_alg_id,
|
|
uint8* k_up_enc,
|
|
uint8* k_up_int);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_128_eia2
|
|
|
|
Description: 128-bit integrity algorithm EIA2.
|
|
|
|
Document Reference: 33.401 v10.0.0 Annex B.2.3
|
|
33.102 v10.0.0 Section 6.5.4
|
|
RFC4493
|
|
*********************************************************************/
|
|
// Defines
|
|
#define LIBLTE_SECURITY_DIRECTION_UPLINK 0
|
|
#define LIBLTE_SECURITY_DIRECTION_DOWNLINK 1
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM liblte_security_128_eia2(
|
|
uint8* key, uint32 count, uint8 bearer, uint8 direction, uint8* msg, uint32 msg_len, uint8* mac);
|
|
LIBLTE_ERROR_ENUM liblte_security_128_eia2(
|
|
uint8* key, uint32 count, uint8 bearer, uint8 direction, LIBLTE_BIT_MSG_STRUCT* msg, uint8* mac);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_encryption_eea1
|
|
|
|
Description: 128-bit encryption algorithm EEA1.
|
|
|
|
Document Reference: 33.401 v13.1.0 Annex B.1.2
|
|
35.215 v13.0.0 References
|
|
Specification of the 3GPP Confidentiality and
|
|
Integrity Algorithms UEA2 & UIA2 D1 v2.1
|
|
*********************************************************************/
|
|
LIBLTE_ERROR_ENUM liblte_security_encryption_eea1(
|
|
uint8* key, uint32 count, uint8 bearer, uint8 direction, uint8* msg, uint32 msg_len, uint8* out);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_decryption_eea1
|
|
|
|
Description: 128-bit decryption algorithm EEA1.
|
|
|
|
Document Reference: 33.401 v13.1.0 Annex B.1.2
|
|
35.215 v13.0.0 References
|
|
Specification of the 3GPP Confidentiality and
|
|
Integrity Algorithms UEA2 & UIA2 D1 v2.1
|
|
*********************************************************************/
|
|
LIBLTE_ERROR_ENUM liblte_security_decryption_eea1(
|
|
uint8* key, uint32 count, uint8 bearer, uint8 direction, uint8* ct, uint32 ct_len, uint8* out);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_encryption_eea2
|
|
|
|
Description: 128-bit encryption algorithm EEA2.
|
|
|
|
Document Reference: 33.401 v13.1.0 Annex B.1.3
|
|
*********************************************************************/
|
|
LIBLTE_ERROR_ENUM liblte_security_encryption_eea2(
|
|
uint8* key, uint32 count, uint8 bearer, uint8 direction, uint8* msg, uint32 msg_len, uint8* out);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_decryption_eea2
|
|
|
|
Description: 128-bit decryption algorithm EEA2.
|
|
|
|
Document Reference: 33.401 v13.1.0 Annex B.1.3
|
|
*********************************************************************/
|
|
LIBLTE_ERROR_ENUM liblte_security_decryption_eea2(
|
|
uint8* key, uint32 count, uint8 bearer, uint8 direction, uint8* ct, uint32 ct_len, uint8* out);
|
|
|
|
LIBLTE_ERROR_ENUM liblte_security_encryption_eea3(uint8 *key,
|
|
uint32 count,
|
|
uint8 bearer,
|
|
uint8 direction,
|
|
uint8 *msg,
|
|
uint32 msg_len,
|
|
uint8 *out);
|
|
/*********************************************************************
|
|
Name: liblte_security_milenage_f1
|
|
|
|
Description: Milenage security function F1. Computes network
|
|
authentication code MAC-A from key K, random
|
|
challenge RAND, sequence number SQN, and
|
|
authentication management field AMF.
|
|
|
|
Document Reference: 35.206 v10.0.0 Annex 3
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM liblte_security_milenage_f1(uint8* k, uint8* op, uint8* rand, uint8* sqn, uint8* amf, uint8* mac_a);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_milenage_f1_star
|
|
|
|
Description: Milenage security function F1*. Computes resynch
|
|
authentication code MAC-S from key K, random
|
|
challenge RAND, sequence number SQN, and
|
|
authentication management field AMF.
|
|
|
|
Document Reference: 35.206 v10.0.0 Annex 3
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM
|
|
liblte_security_milenage_f1_star(uint8* k, uint8* op, uint8* rand, uint8* sqn, uint8* amf, uint8* mac_s);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_milenage_f2345
|
|
|
|
Description: Milenage security functions F2, F3, F4, and F5.
|
|
Computes response RES, confidentiality key CK,
|
|
integrity key IK, and anonymity key AK from random
|
|
challenge RAND.
|
|
|
|
Document Reference: 35.206 v10.0.0 Annex 3
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM
|
|
liblte_security_milenage_f2345(uint8* k, uint8* op, uint8* rand, uint8* res, uint8* ck, uint8* ik, uint8* ak);
|
|
|
|
/*********************************************************************
|
|
Name: liblte_security_milenage_f5_star
|
|
|
|
Description: Milenage security function F5*. Computes resynch
|
|
anonymity key AK from key K and random challenge
|
|
RAND.
|
|
|
|
Document Reference: 35.206 v10.0.0 Annex 3
|
|
*********************************************************************/
|
|
// Defines
|
|
// Enums
|
|
// Structs
|
|
// Functions
|
|
LIBLTE_ERROR_ENUM liblte_security_milenage_f5_star(uint8* k, uint8* op, uint8* rand, uint8* ak);
|
|
|
|
#endif // SRSLTE_LIBLTE_SECURITY_H
|