/src/botan/build/include/botan/sha2_32.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * SHA-{224,256} |
3 | | * (C) 1999-2011 Jack Lloyd |
4 | | * 2007 FlexSecure GmbH |
5 | | * |
6 | | * Botan is released under the Simplified BSD License (see license.txt) |
7 | | */ |
8 | | |
9 | | #ifndef BOTAN_SHA_224_256_H_ |
10 | | #define BOTAN_SHA_224_256_H_ |
11 | | |
12 | | #include <botan/mdx_hash.h> |
13 | | |
14 | | BOTAN_FUTURE_INTERNAL_HEADER(sha2_32.h) |
15 | | |
16 | | namespace Botan { |
17 | | |
18 | | /** |
19 | | * SHA-224 |
20 | | */ |
21 | | class BOTAN_PUBLIC_API(2,0) SHA_224 final : public MDx_HashFunction |
22 | | { |
23 | | public: |
24 | 4 | std::string name() const override { return "SHA-224"; } |
25 | 38 | size_t output_length() const override { return 28; } |
26 | 0 | HashFunction* clone() const override { return new SHA_224; } |
27 | | std::unique_ptr<HashFunction> copy_state() const override; |
28 | | |
29 | | void clear() override; |
30 | | |
31 | | std::string provider() const override; |
32 | | |
33 | | SHA_224() : MDx_HashFunction(64, true, true), m_digest(8) |
34 | 12 | { clear(); } |
35 | | private: |
36 | | void compress_n(const uint8_t[], size_t blocks) override; |
37 | | void copy_out(uint8_t[]) override; |
38 | | |
39 | | secure_vector<uint32_t> m_digest; |
40 | | }; |
41 | | |
42 | | /** |
43 | | * SHA-256 |
44 | | */ |
45 | | class BOTAN_PUBLIC_API(2,0) SHA_256 final : public MDx_HashFunction |
46 | | { |
47 | | public: |
48 | 6.07k | std::string name() const override { return "SHA-256"; } |
49 | 753k | size_t output_length() const override { return 32; } |
50 | 0 | HashFunction* clone() const override { return new SHA_256; } |
51 | | std::unique_ptr<HashFunction> copy_state() const override; |
52 | | |
53 | | void clear() override; |
54 | | |
55 | | std::string provider() const override; |
56 | | |
57 | | SHA_256() : MDx_HashFunction(64, true, true), m_digest(8) |
58 | 105k | { clear(); } |
59 | | |
60 | | /* |
61 | | * Perform a SHA-256 compression. For internal use |
62 | | */ |
63 | | static void compress_digest(secure_vector<uint32_t>& digest, |
64 | | const uint8_t input[], |
65 | | size_t blocks); |
66 | | |
67 | | private: |
68 | | |
69 | | #if defined(BOTAN_HAS_SHA2_32_ARMV8) |
70 | | static void compress_digest_armv8(secure_vector<uint32_t>& digest, |
71 | | const uint8_t input[], |
72 | | size_t blocks); |
73 | | #endif |
74 | | |
75 | | #if defined(BOTAN_HAS_SHA2_32_X86_BMI2) |
76 | | static void compress_digest_x86_bmi2(secure_vector<uint32_t>& digest, |
77 | | const uint8_t input[], |
78 | | size_t blocks); |
79 | | #endif |
80 | | |
81 | | #if defined(BOTAN_HAS_SHA2_32_X86) |
82 | | static void compress_digest_x86(secure_vector<uint32_t>& digest, |
83 | | const uint8_t input[], |
84 | | size_t blocks); |
85 | | #endif |
86 | | |
87 | | void compress_n(const uint8_t[], size_t blocks) override; |
88 | | void copy_out(uint8_t[]) override; |
89 | | |
90 | | secure_vector<uint32_t> m_digest; |
91 | | }; |
92 | | |
93 | | } |
94 | | |
95 | | #endif |