1 /*
2  * Copyright (c) 2023-2024 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 LNN_CIPHERKEY_MANAGER_H
17 #define LNN_CIPHERKEY_MANAGER_H
18 
19 #include <stdint.h>
20 
21 #include "cJSON.h"
22 #include "softbus_common.h"
23 #include "lnn_data_cloud_sync.h"
24 #include "lnn_node_info.h"
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 typedef struct {
31     char udid[UDID_BUF_LEN];
32     uint64_t endTime;
33     BroadcastCipherInfo cipherInfo;
34 } BroadcastCipherKey;
35 
36 int32_t LnnInitCipherKeyManager(void);
37 void LnnDeinitCipherKeyManager(void);
38 bool GetCipherKeyByNetworkId(const char *networkId, int32_t seq, uint32_t tableIndex, unsigned char *key,
39     int32_t keyLen);
40 bool GetLocalCipherKey(int32_t seq, uint32_t *tableIndex, unsigned char *key, int32_t keyLen);
41 void LoadBleBroadcastKey(void);
42 bool IsCipherManagerFindKey(const char *udid);
43 bool PackCipherKeySyncMsg(void *json);
44 void ProcessCipherKeySyncInfo(const void *json, const char *networkId);
45 int32_t LnnLoadLocalBroadcastCipherKey(void);
46 int32_t LnnGetLocalBroadcastCipherKey(BroadcastCipherKey *broadcastKey);
47 int32_t LnnSaveLocalBroadcastCipherKey(const BroadcastCipherKey *broadcastKey);
48 int32_t LnnUpdateLocalBroadcastCipherKey(BroadcastCipherKey *broadcastKey);
49 int32_t LnnGetLocalBroadcastCipherInfo(CloudSyncInfo *info);
50 int32_t LnnSetRemoteBroadcastCipherInfo(const char *value, const char *udid);
51 #ifdef __cplusplus
52 }
53 #endif
54 #endif // LNN_CIPHERKEY_MANAGER_H
55