74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "TLVEncoder.h"
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#include "TLVDecoder.h"
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#include "NasKeySetIdentifier.h"
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/**
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* @brief Decode the NAS key set identifier from one byte
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*/
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int decode_nas_key_set_identifier(NasKeySetIdentifier *naskeysetidentifier, uint8_t iei, uint8_t value)
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{
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if (iei > 0) {
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CHECK_IEI_DECODER((value & 0xf0), iei);
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}
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naskeysetidentifier->tsc = (value >> 3) & 0x1;
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naskeysetidentifier->naskeysetidentifier = value & 0x7;
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#if defined(NAS_DEBUG)
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dump_nas_key_set_identifier_xml(naskeysetidentifier, iei);
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#endif
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return 1; // 1 octet
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}
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/**
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* @brief Encode the NAS key set identifier in one byte
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*/
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uint8_t encode_nas_key_set_identifier(const NasKeySetIdentifier *naskeysetidentifier, uint8_t iei)
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{
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#if defined (NAS_DEBUG)
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dump_nas_key_set_identifier_xml(naskeysetidentifier, iei);
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#endif
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return ((iei & 0xf0) | (naskeysetidentifier->tsc & 0x1) << 3) | (naskeysetidentifier->naskeysetidentifier & 0x7);
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}
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void dump_nas_key_set_identifier_xml(NasKeySetIdentifier *naskeysetidentifier, uint8_t iei)
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{
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printf("<Nas Key Set Identifier>\n");
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if (iei > 0)
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/* Don't display IEI if = 0 */
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printf(" <IEI>0x%X</IEI>\n", iei);
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printf(" <TSC>%u</TSC>\n", naskeysetidentifier->tsc);
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printf(" <NAS key set identifier>%u</NAS key set identifier>\n", naskeysetidentifier->naskeysetidentifier);
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printf("</Nas Key Set Identifier>\n");
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}
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