/* * 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 1.0 (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_ */