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https://github.com/open5gs/open5gs.git
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715e4c0b50
3GPP TS 24.501 version 16.6.0 Release 16 4.4 NAS security 4.4.6 Protection of initial NAS signalling messages 1) the UE needs to send non-cleartext IEs in a REGISTRATION REQUEST or SERVICE REQUEST message, the UE includes the entire REGISTRATION REQUEST or SERVICE REQUEST message (i.e. containing both cleartext IEs and non-cleartext IEs) in the NAS message container IE and shall cipher the value part of the NAS message container IE. The UE shall then send a REGISTRATION REQUEST or SERVICE REQUEST message containing the cleartext IEs and the NAS message container IE;
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
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* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#if !defined(OGS_NAS_INSIDE) && !defined(OGS_NAS_COMPILATION)
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#error "This header cannot be included directly."
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#endif
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#ifndef OGS_NAS_SECURITY_H
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#define OGS_NAS_SECURITY_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define OGS_NAS_SECURITY_DOWNLINK_DIRECTION 1
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#define OGS_NAS_SECURITY_UPLINK_DIRECTION 0
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void ogs_nas_mac_calculate(uint8_t algorithm_identity,
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uint8_t *knas_int, uint32_t count, uint8_t bearer,
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uint8_t direction, ogs_pkbuf_t *pkbuf, uint8_t *mac);
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void ogs_nas_encrypt(uint8_t algorithm_identity,
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uint8_t *knas_enc, uint32_t count, uint8_t bearer,
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uint8_t direction, ogs_pkbuf_t *pkbuf);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OGS_NAS_SECURITY_H */
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