/src/botan/build/include/botan/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/mdx_hash.h> |
12 | | |
13 | | BOTAN_FUTURE_INTERNAL_HEADER(sha2_64.h) |
14 | | |
15 | | namespace Botan { |
16 | | |
17 | | /** |
18 | | * SHA-384 |
19 | | */ |
20 | | class BOTAN_PUBLIC_API(2,0) SHA_384 final : public MDx_HashFunction |
21 | | { |
22 | | public: |
23 | 329 | std::string name() const override { return "SHA-384"; } |
24 | 179k | size_t output_length() const override { return 48; } |
25 | 0 | HashFunction* clone() const override { return new SHA_384; } |
26 | | std::unique_ptr<HashFunction> copy_state() const override; |
27 | | std::string provider() const override; |
28 | | |
29 | | void clear() override; |
30 | | |
31 | | SHA_384() : MDx_HashFunction(128, true, true, 16), m_digest(8) |
32 | 7.75k | { clear(); } |
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 BOTAN_PUBLIC_API(2,0) SHA_512 final : public MDx_HashFunction |
44 | | { |
45 | | public: |
46 | 13 | std::string name() const override { return "SHA-512"; } |
47 | 1.13k | size_t output_length() const override { return 64; } |
48 | 0 | HashFunction* clone() const override { return new SHA_512; } |
49 | | std::unique_ptr<HashFunction> copy_state() const override; |
50 | | std::string provider() const override; |
51 | | |
52 | | void clear() override; |
53 | | |
54 | | /* |
55 | | * Perform a SHA-512 compression. For internal use |
56 | | */ |
57 | | static void compress_digest(secure_vector<uint64_t>& digest, |
58 | | const uint8_t input[], |
59 | | size_t blocks); |
60 | | |
61 | | SHA_512() : MDx_HashFunction(128, true, true, 16), m_digest(8) |
62 | 524 | { clear(); } |
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, |
71 | | const uint8_t input[], |
72 | | size_t blocks); |
73 | | #endif |
74 | | |
75 | | secure_vector<uint64_t> m_digest; |
76 | | }; |
77 | | |
78 | | /** |
79 | | * SHA-512/256 |
80 | | */ |
81 | | class BOTAN_PUBLIC_API(2,0) SHA_512_256 final : public MDx_HashFunction |
82 | | { |
83 | | public: |
84 | 27 | std::string name() const override { return "SHA-512-256"; } |
85 | 2.69k | size_t output_length() const override { return 32; } |
86 | 0 | HashFunction* clone() const override { return new SHA_512_256; } |
87 | | std::unique_ptr<HashFunction> copy_state() const override; |
88 | | std::string provider() const override; |
89 | | |
90 | | void clear() override; |
91 | | |
92 | 315 | SHA_512_256() : MDx_HashFunction(128, true, true, 16), m_digest(8) { clear(); } |
93 | | private: |
94 | | void compress_n(const uint8_t[], size_t blocks) override; |
95 | | void copy_out(uint8_t[]) override; |
96 | | |
97 | | secure_vector<uint64_t> m_digest; |
98 | | }; |
99 | | |
100 | | } |
101 | | |
102 | | #endif |