1/*
2 * Copyright (c) 2020 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 TOKEN_H
17#define TOKEN_H
18
19#include <stdio.h>
20
21#ifdef __cplusplus
22#if __cplusplus
23extern "C" {
24#endif
25#endif /* __cplusplus */
26
27/**
28 * @brief Read token value form device.
29 *
30 * @param token The token value, len The token len.
31 * @returns 0 if it succeeds and get the update area token,
32 *          1 if it succeeds and get the pre-made token,
33 *         -1 if it fails, -2 if it no pre-made token.
34 */
35int ReadToken(char *token, unsigned int len);
36
37/**
38 * @brief Write token value to device.
39 *
40 * @param token The token value, len The token len.
41 * @returns 0 if it succeeds, -1 if it fails.
42 */
43int WriteToken(const char *token, unsigned int len);
44
45/**
46 * @brief Get AcKey value form device.
47 *
48 * @param acKey The acKey value, len The acKey len.
49 * @returns 0 if it succeeds, -1 if it fails.
50 */
51int GetAcKey(char *acKey, unsigned int len);
52
53/**
54 * @brief Get ProdId value form device.
55 *
56 * @param productId The productId value, len The productId len.
57 * @returns 0 if it succeeds, -1 if it fails.
58 */
59int GetProdId(char *productId, unsigned int len);
60
61/**
62 * @brief Get ProdKey value form device.
63 *
64 * @param productKey The productKey value, len The productKey len.
65 * @returns 0 if it succeeds, -1 if it fails.
66 */
67int GetProdKey(char *productKey, unsigned int len);
68
69#ifdef __cplusplus
70#if __cplusplus
71}
72#endif
73#endif /* __cplusplus */
74
75#endif // TOKEN_H