1 /*
2  * Copyright (c) 2023 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 OHOS_DM_CRYPTO_H
17 #define OHOS_DM_CRYPTO_H
18 #include <string>
19 #if !(defined(__LITEOS_M__) || defined(LITE_DEVICE))
20 #include "dm_kv_info.h"
21 #endif
22 
23 namespace OHOS {
24 namespace DistributedHardware {
25 class Crypto {
26 public:
27     static std::string Sha256(const std::string &text, bool isUpper = false);
28     static std::string Sha256(const void *data, size_t size, bool isUpper = false);
29     static int32_t ConvertHexStringToBytes(unsigned char *outBuf, uint32_t outBufLen,
30         const char *inBuf, uint32_t inLen);
31     static int32_t GetUdidHash(const std::string &udid, unsigned char *udidHash);
32     static std::string GetGroupIdHash(const std::string &groupId);
33     static int32_t GetSecRandom(uint8_t *out, size_t outLen);
34     static std::string GetSecSalt();
35     static std::string GetHashWithSalt(const std::string &text, const std::string &salt);
36 #if !(defined(__LITEOS_M__) || defined(LITE_DEVICE))
37     static int32_t ConvertUdidHashToAnoyAndSave(const std::string &appId, const std::string &udidHash,
38         DmKVValue &kvValue);
39     static int32_t ConvertUdidHashToAnoyDeviceId(const std::string &appId, const std::string &udidHash,
40         DmKVValue &kvValue);
41     static int32_t GetAnoyDeviceInfo(const std::string &appId, const std::string &udidHash, DmKVValue &kvValue);
42     static int32_t ConvertUdidHashToAnoyGenerate(const std::string &appId, const std::string &udidHash,
43         DmKVValue &kvValue);
44 #endif
45 };
46 } // namespace DistributedHardware
47 } // namespace OHOS
48 #endif // OHOS_DM_CRYPTO_H
49