/src/botan/build/include/botan/adler32.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Adler32 |
3 | | * (C) 1999-2007 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #ifndef BOTAN_ADLER32_H_ |
9 | | #define BOTAN_ADLER32_H_ |
10 | | |
11 | | #include <botan/hash.h> |
12 | | |
13 | | BOTAN_FUTURE_INTERNAL_HEADER(adler32.h) |
14 | | |
15 | | namespace Botan { |
16 | | |
17 | | /** |
18 | | * The Adler32 checksum, used in zlib |
19 | | */ |
20 | | class BOTAN_PUBLIC_API(2,0) Adler32 final : public HashFunction |
21 | | { |
22 | | public: |
23 | 0 | std::string name() const override { return "Adler32"; } |
24 | 0 | size_t output_length() const override { return 4; } |
25 | 0 | HashFunction* clone() const override { return new Adler32; } |
26 | | std::unique_ptr<HashFunction> copy_state() const override; |
27 | | |
28 | 0 | void clear() override { m_S1 = 1; m_S2 = 0; } |
29 | | |
30 | 0 | Adler32() { clear(); } |
31 | 0 | ~Adler32() { clear(); } |
32 | | private: |
33 | | void add_data(const uint8_t[], size_t) override; |
34 | | void final_result(uint8_t[]) override; |
35 | | uint16_t m_S1, m_S2; |
36 | | }; |
37 | | |
38 | | } |
39 | | |
40 | | #endif |