97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.openairinterface.org/?page_id=698
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
#ifndef SECU_DEFS_H_
|
|
#define SECU_DEFS_H_
|
|
|
|
#include "security_types.h"
|
|
#include <stdbool.h>
|
|
|
|
#define EIA0_ALG_ID 0x00
|
|
#define EIA1_128_ALG_ID 0x01
|
|
#define EIA2_128_ALG_ID 0x02
|
|
|
|
#define EEA0_ALG_ID 0x00
|
|
#define EEA1_128_ALG_ID 0x01
|
|
#define EEA2_128_ALG_ID 0x02
|
|
|
|
#define SECU_DIRECTION_UPLINK 0
|
|
#define SECU_DIRECTION_DOWNLINK 1
|
|
|
|
void kdf(const uint8_t *key,
|
|
uint16_t key_len,
|
|
uint8_t *s,
|
|
uint16_t s_len,
|
|
uint8_t *out,
|
|
uint16_t out_len);
|
|
|
|
int derive_keNB(const uint8_t kasme[32], const uint32_t nas_count, uint8_t *keNB);
|
|
|
|
int derive_keNB_star(const uint8_t *kenb_32, const uint16_t pci, const uint32_t earfcn_dl,
|
|
const bool is_rel8_only, uint8_t * kenb_star);
|
|
|
|
int derive_key_nas(algorithm_type_dist_t nas_alg_type, uint8_t nas_enc_alg_id,
|
|
const uint8_t kasme[32], uint8_t *knas);
|
|
|
|
#define derive_key_nas_enc(aLGiD, kASME, kNAS) \
|
|
derive_key_nas(NAS_ENC_ALG, aLGiD, kASME, kNAS)
|
|
|
|
#define derive_key_nas_int(aLGiD, kASME, kNAS) \
|
|
derive_key_nas(NAS_INT_ALG, aLGiD, kASME, kNAS)
|
|
|
|
#define derive_key_rrc_enc(aLGiD, kASME, kNAS) \
|
|
derive_key_nas(RRC_ENC_ALG, aLGiD, kASME, kNAS)
|
|
|
|
#define derive_key_rrc_int(aLGiD, kASME, kNAS) \
|
|
derive_key_nas(RRC_INT_ALG, aLGiD, kASME, kNAS)
|
|
|
|
#define derive_key_up_enc(aLGiD, kASME, kNAS) \
|
|
derive_key_nas(UP_ENC_ALG, aLGiD, kASME, kNAS)
|
|
|
|
#define derive_key_up_int(aLGiD, kASME, kNAS) \
|
|
derive_key_nas(UP_INT_ALG, aLGiD, kASME, kNAS)
|
|
|
|
#define SECU_DIRECTION_UPLINK 0
|
|
#define SECU_DIRECTION_DOWNLINK 1
|
|
|
|
typedef struct {
|
|
uint8_t *key;
|
|
uint32_t key_length;
|
|
uint32_t count;
|
|
uint8_t bearer;
|
|
uint8_t direction;
|
|
uint8_t *message;
|
|
/* length in bits */
|
|
uint32_t blength;
|
|
} nas_stream_cipher_t;
|
|
|
|
int nas_stream_encrypt_eea1(nas_stream_cipher_t *stream_cipher, uint8_t *out);
|
|
|
|
int nas_stream_encrypt_eia1(nas_stream_cipher_t *stream_cipher, uint8_t out[4]);
|
|
|
|
int nas_stream_encrypt_eea2(nas_stream_cipher_t *stream_cipher, uint8_t *out);
|
|
|
|
int nas_stream_encrypt_eia2(nas_stream_cipher_t *stream_cipher, uint8_t out[4]);
|
|
|
|
#undef SECU_DEBUG
|
|
|
|
#endif /* SECU_DEFS_H_ */
|