1/*
2 * Copyright (c) 2024-2024 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 SIGNATRUETOOLS_HASH_UTILS_H
17#define SIGNATRUETOOLS_HASH_UTILS_H
18
19#include <string>
20#include <vector>
21
22namespace OHOS {
23namespace SignatureTools {
24enum class HashAlgs {
25    USE_NONE = 0,
26    USE_MD2 = 1,
27    USE_MD4 = 2,
28    USE_MD5 = 3,
29    USE_SHA1 = 4,
30    USE_SHA224 = 5,
31    USE_SHA256 = 6,
32    USE_SHA384 = 7,
33    USE_SHA512 = 8,
34    USE_RIPEMD160 = 9,
35};
36
37class HashUtils {
38public:
39    HashUtils() = delete;
40    static int GetHashAlgsId(const std::string& algMethod);
41    static std::vector<int8_t> GetFileDigest(const std::string& inputFile, const std::string& algName);
42    static std::string GetHashAlgName(int algId);
43    static std::vector<int8_t> GetDigestFromBytes(const std::vector<int8_t>& fileBytes, int64_t length,
44                                                        const std::string& algName);
45
46private:
47    static std::vector<int8_t> GetByteDigest(const std::string& str, int count,
48                                                    const std::string& algMethod);
49
50    static const int HASH_LEN = 4096;
51};
52} // namespace SignatureTools
53} // namespace OHOS
54#endif // SIGNATURETOOLS_HASH_UTILS_H