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srsRAN_4G/lib/src/common/security.cc

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adding common code including headers and tests
8 years ago
/**
*
* \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/.
*
*/
renamed include paths for common objects
8 years ago
#include "srslte/common/security.h"
#include "srslte/common/liblte_security.h"
#include "srslte/common/snow_3g.h"
adding common code including headers and tests
8 years ago
changed srsue namespace to srslte for all common objects
8 years ago
namespace srslte {
adding common code including headers and tests
8 years ago
/******************************************************************************
* 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)
{
return liblte_security_generate_k_asme(ck,
ik,
ak,
sqn,
mcc,
mnc,
k_asme);
}
uint8_t security_generate_k_enb( uint8_t *k_asme,
uint32_t nas_count,
uint8_t *k_enb)
{
return liblte_security_generate_k_enb(k_asme,
nas_count,
k_enb);
}
X2 (constant NCC) working
7 years ago
uint8_t security_generate_k_enb_star( uint8_t *k_enb,
uint32_t pci,
uint32_t earfcn,
uint8_t *k_enb_star)
{
return liblte_security_generate_k_enb_star(k_enb,
pci,
earfcn,
k_enb_star);
}
S1/X2 handover tested and working
7 years ago
uint8_t security_generate_nh( uint8_t *k_asme,
uint8_t *sync,
uint8_t *nh)
{
return liblte_security_generate_nh( k_asme,
sync,
nh);
}
adding common code including headers and tests
8 years ago
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)
{
return liblte_security_generate_k_nas( k_asme,
(LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM)enc_alg_id,
(LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM)int_alg_id,
k_nas_enc,
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)
{
return liblte_security_generate_k_rrc(k_enb,
(LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM)enc_alg_id,
(LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM)int_alg_id,
k_rrc_enc,
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)
{
return liblte_security_generate_k_up(k_enb,
(LIBLTE_SECURITY_CIPHERING_ALGORITHM_ID_ENUM)enc_alg_id,
(LIBLTE_SECURITY_INTEGRITY_ALGORITHM_ID_ENUM)int_alg_id,
k_up_enc,
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)
{
uint32_t msg_len_bits;
uint32_t i;
uint8_t *m_ptr;
msg_len_bits = msg_len*8;
m_ptr = snow3g_f9(key,
count,
bearer,
direction,
msg,
msg_len_bits);
for(i=0; i<4; i++) {
mac[i] = m_ptr[i];
}
return ERROR_NONE;
}
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)
{
return liblte_security_128_eia2(key,
count,
bearer,
direction,
msg,
msg_len,
mac);
}
NAS-plane encryption working (thanks to David Rupprecht)
7 years ago
/******************************************************************************
* 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){
return liblte_security_encryption_eea1(key,
count,
bearer,
direction,
msg,
msg_len * 8,
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){
return liblte_security_encryption_eea2(key,
count,
bearer,
direction,
msg,
msg_len * 8,
msg_out);
}
adding common code including headers and tests
8 years ago
/******************************************************************************
* 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)
{
return liblte_security_milenage_f1(k,
op,
rand,
sqn,
amf,
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)
{
return liblte_security_milenage_f1_star(k,
op,
rand,
sqn,
amf,
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)
{
return liblte_security_milenage_f2345(k,
op,
rand,
res,
ck,
ik,
ak);
}
uint8_t security_milenage_f5_star( uint8_t *k,
uint8_t *op,
uint8_t *rand,
uint8_t *ak)
{
return liblte_security_milenage_f5_star(k,
op,
rand,
ak);
}
} // namespace srsue