/src/botan/build/include/botan/sm3.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * SM3 |
3 | | * (C) 2017 Ribose Inc. |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #ifndef BOTAN_SM3_H_ |
9 | | #define BOTAN_SM3_H_ |
10 | | |
11 | | #include <botan/mdx_hash.h> |
12 | | |
13 | | BOTAN_FUTURE_INTERNAL_HEADER(sm3.h) |
14 | | |
15 | | namespace Botan { |
16 | | |
17 | | enum { |
18 | | SM3_BLOCK_BYTES = 64, |
19 | | SM3_DIGEST_BYTES = 32 |
20 | | }; |
21 | | |
22 | | /** |
23 | | * SM3 |
24 | | */ |
25 | | class BOTAN_PUBLIC_API(2,2) SM3 final : public MDx_HashFunction |
26 | | { |
27 | | public: |
28 | 0 | std::string name() const override { return "SM3"; } |
29 | 0 | size_t output_length() const override { return SM3_DIGEST_BYTES; } |
30 | 0 | HashFunction* clone() const override { return new SM3; } |
31 | | std::unique_ptr<HashFunction> copy_state() const override; |
32 | | |
33 | | void clear() override; |
34 | | |
35 | | SM3() : MDx_HashFunction(SM3_BLOCK_BYTES, true, true), m_digest(SM3_DIGEST_BYTES) |
36 | 0 | { clear(); } |
37 | | private: |
38 | | void compress_n(const uint8_t[], size_t blocks) override; |
39 | | void copy_out(uint8_t[]) override; |
40 | | |
41 | | /** |
42 | | * The digest value |
43 | | */ |
44 | | secure_vector<uint32_t> m_digest; |
45 | | }; |
46 | | |
47 | | } |
48 | | |
49 | | #endif |