1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef SEC_UTILS_TLV_H
17 #define SEC_UTILS_TLV_H
18 
19 #include <stdint.h>
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 #define TLV_OK 0
26 #define TLV_ERR 1001
27 #define TLV_ERR_INVALID_PARA 1002
28 #define TLV_ERR_PARSE_PAYLOAD_ERR 1003
29 #define TLV_ERR_BUFF_NO_ENOUGH 1004
30 
31 typedef struct TlvCommon {
32     uint16_t tag;
33     uint16_t len;
34     void *value;
35 } TlvCommon;
36 
37 uint32_t Serialize(const TlvCommon *tlv, uint32_t tlvCount, uint8_t *buff, uint32_t maxBuffSize, uint32_t *buffSize);
38 
39 uint32_t Deserialize(const uint8_t *buff, uint32_t buffSize, TlvCommon *tlv, uint32_t maxTlvCount, uint32_t *tlvCount);
40 
41 #ifdef __cplusplus
42 }
43 #endif
44 
45 #endif // SEC_UTILS_TLV_H