gauthier
7b5431a62c
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7886 818b1a75-f10b-46b9-bf7c-635c3b92a50f
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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#ifndef SECU_DEFS_H_
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#define SECU_DEFS_H_
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#include "security_types.h"
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#define EIA0_ALG_ID 0x00
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#define EIA1_128_ALG_ID 0x01
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#define EIA2_128_ALG_ID 0x02
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#define EEA0_ALG_ID 0x00
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#define EEA1_128_ALG_ID 0x01
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#define EEA2_128_ALG_ID 0x02
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#define SECU_DIRECTION_UPLINK 0
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#define SECU_DIRECTION_DOWNLINK 1
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void kdf(const uint8_t *key,
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uint16_t key_len,
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uint8_t *s,
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uint16_t s_len,
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uint8_t *out,
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uint16_t out_len);
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int derive_keNB(const uint8_t kasme[32], const uint32_t nas_count, uint8_t *keNB);
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int derive_key_nas(algorithm_type_dist_t nas_alg_type, uint8_t nas_enc_alg_id,
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const uint8_t kasme[32], uint8_t *knas);
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#define derive_key_nas_enc(aLGiD, kASME, kNAS) \
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derive_key_nas(NAS_ENC_ALG, aLGiD, kASME, kNAS)
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#define derive_key_nas_int(aLGiD, kASME, kNAS) \
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derive_key_nas(NAS_INT_ALG, aLGiD, kASME, kNAS)
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#define derive_key_rrc_enc(aLGiD, kASME, kNAS) \
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derive_key_nas(RRC_ENC_ALG, aLGiD, kASME, kNAS)
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#define derive_key_rrc_int(aLGiD, kASME, kNAS) \
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derive_key_nas(RRC_INT_ALG, aLGiD, kASME, kNAS)
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#define derive_key_up_enc(aLGiD, kASME, kNAS) \
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derive_key_nas(UP_ENC_ALG, aLGiD, kASME, kNAS)
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#define derive_key_up_int(aLGiD, kASME, kNAS) \
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derive_key_nas(UP_INT_ALG, aLGiD, kASME, kNAS)
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#define SECU_DIRECTION_UPLINK 0
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#define SECU_DIRECTION_DOWNLINK 1
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typedef struct {
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uint8_t *key;
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uint32_t key_length;
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uint32_t count;
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uint8_t bearer;
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uint8_t direction;
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uint8_t *message;
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/* length in bits */
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uint32_t blength;
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} nas_stream_cipher_t;
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int nas_stream_encrypt_eea1(nas_stream_cipher_t *stream_cipher, uint8_t *out);
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int nas_stream_encrypt_eia1(nas_stream_cipher_t *stream_cipher, uint8_t out[4]);
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int nas_stream_encrypt_eea2(nas_stream_cipher_t *stream_cipher, uint8_t *out);
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int nas_stream_encrypt_eia2(nas_stream_cipher_t *stream_cipher, uint8_t out[4]);
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#undef SECU_DEBUG
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#endif /* SECU_DEFS_H_ */
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