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_BLOCK_HEAD_H
17#define SIGNATRUETOOLS_BLOCK_HEAD_H
18
19#include <vector>
20#include <string>
21
22namespace OHOS {
23namespace SignatureTools {
24class BlockHead {
25public:
26    static const int BLOCK_LEN = 8;
27    static const int ELF_BLOCK_LEN = 12;
28    static const int BIT_SIZE = 8;
29    static const int DOUBLE_BIT_SIZE = 16;
30    static const int TRIPLE_BIT_SIZE = 24;
31    static const int32_t SIGN_HEAD_LEN = 32;
32
33public:
34    static int GetBlockLen();
35    static int GetElfBlockLen();
36    static std::string GetBlockHead(const char type, const char tag, const short length, const int offset);
37    static std::vector<int8_t> GetBlockHeadLittleEndian(const char type, const char tag,
38                                                        const int length, const int offset);
39};
40} // namespace SignatureTools
41} // namespace OHOS
42#endif