/src/botan/build/include/botan/internal/sha2_64.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * SHA-{384,512} |
3 | | * (C) 1999-2010,2015 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #ifndef BOTAN_SHA_64BIT_H_ |
9 | | #define BOTAN_SHA_64BIT_H_ |
10 | | |
11 | | #include <botan/internal/mdx_hash.h> |
12 | | |
13 | | namespace Botan { |
14 | | |
15 | | /** |
16 | | * SHA-384 |
17 | | */ |
18 | | class SHA_384 final : public MDx_HashFunction { |
19 | | public: |
20 | 0 | std::string name() const override { return "SHA-384"; } |
21 | | |
22 | 0 | size_t output_length() const override { return 48; } |
23 | | |
24 | 0 | std::unique_ptr<HashFunction> new_object() const override { return std::make_unique<SHA_384>(); } |
25 | | |
26 | | std::unique_ptr<HashFunction> copy_state() const override; |
27 | | std::string provider() const override; |
28 | | |
29 | | void clear() override; |
30 | | |
31 | 0 | SHA_384() : MDx_HashFunction(128, true, true, 16), m_digest(8) { clear(); } |
32 | | |
33 | | private: |
34 | | void compress_n(const uint8_t[], size_t blocks) override; |
35 | | void copy_out(uint8_t[]) override; |
36 | | |
37 | | secure_vector<uint64_t> m_digest; |
38 | | }; |
39 | | |
40 | | /** |
41 | | * SHA-512 |
42 | | */ |
43 | | class SHA_512 final : public MDx_HashFunction { |
44 | | public: |
45 | 0 | std::string name() const override { return "SHA-512"; } |
46 | | |
47 | 0 | size_t output_length() const override { return 64; } |
48 | | |
49 | 0 | std::unique_ptr<HashFunction> new_object() const override { return std::make_unique<SHA_512>(); } |
50 | | |
51 | | std::unique_ptr<HashFunction> copy_state() const override; |
52 | | std::string provider() const override; |
53 | | |
54 | | void clear() override; |
55 | | |
56 | | /* |
57 | | * Perform a SHA-512 compression. For internal use |
58 | | */ |
59 | | static void compress_digest(secure_vector<uint64_t>& digest, const uint8_t input[], size_t blocks); |
60 | | |
61 | 0 | SHA_512() : MDx_HashFunction(128, true, true, 16), m_digest(8) { clear(); } |
62 | | |
63 | | private: |
64 | | void compress_n(const uint8_t[], size_t blocks) override; |
65 | | void copy_out(uint8_t[]) override; |
66 | | |
67 | | static const uint64_t K[80]; |
68 | | |
69 | | #if defined(BOTAN_HAS_SHA2_64_BMI2) |
70 | | static void compress_digest_bmi2(secure_vector<uint64_t>& digest, const uint8_t input[], size_t blocks); |
71 | | #endif |
72 | | |
73 | | secure_vector<uint64_t> m_digest; |
74 | | }; |
75 | | |
76 | | /** |
77 | | * SHA-512/256 |
78 | | */ |
79 | | class SHA_512_256 final : public MDx_HashFunction { |
80 | | public: |
81 | 0 | std::string name() const override { return "SHA-512-256"; } |
82 | | |
83 | 0 | size_t output_length() const override { return 32; } |
84 | | |
85 | 0 | std::unique_ptr<HashFunction> new_object() const override { return std::make_unique<SHA_512_256>(); } |
86 | | |
87 | | std::unique_ptr<HashFunction> copy_state() const override; |
88 | | std::string provider() const override; |
89 | | |
90 | | void clear() override; |
91 | | |
92 | 0 | SHA_512_256() : MDx_HashFunction(128, true, true, 16), m_digest(8) { clear(); } |
93 | | |
94 | | private: |
95 | | void compress_n(const uint8_t[], size_t blocks) override; |
96 | | void copy_out(uint8_t[]) override; |
97 | | |
98 | | secure_vector<uint64_t> m_digest; |
99 | | }; |
100 | | |
101 | | } // namespace Botan |
102 | | |
103 | | #endif |