/src/botan/build/include/botan/tiger.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Tiger |
3 | | * (C) 1999-2007 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #ifndef BOTAN_TIGER_H_ |
9 | | #define BOTAN_TIGER_H_ |
10 | | |
11 | | #include <botan/mdx_hash.h> |
12 | | |
13 | | BOTAN_FUTURE_INTERNAL_HEADER(tiger.h) |
14 | | |
15 | | namespace Botan { |
16 | | |
17 | | /** |
18 | | * Tiger |
19 | | */ |
20 | | class BOTAN_PUBLIC_API(2,0) Tiger final : public MDx_HashFunction |
21 | | { |
22 | | public: |
23 | | std::string name() const override; |
24 | 0 | size_t output_length() const override { return m_hash_len; } |
25 | | |
26 | | HashFunction* clone() const override |
27 | 0 | { |
28 | 0 | return new Tiger(output_length(), m_passes); |
29 | 0 | } |
30 | | |
31 | | std::unique_ptr<HashFunction> copy_state() const override; |
32 | | |
33 | | void clear() override; |
34 | | |
35 | | /** |
36 | | * @param out_size specifies the output length; can be 16, 20, or 24 |
37 | | * @param passes to make in the algorithm |
38 | | */ |
39 | | Tiger(size_t out_size = 24, size_t passes = 3); |
40 | | private: |
41 | | void compress_n(const uint8_t[], size_t block) override; |
42 | | void copy_out(uint8_t[]) override; |
43 | | |
44 | | static void pass(uint64_t& A, uint64_t& B, uint64_t& C, |
45 | | const secure_vector<uint64_t>& M, |
46 | | uint8_t mul); |
47 | | |
48 | | static const uint64_t SBOX1[256]; |
49 | | static const uint64_t SBOX2[256]; |
50 | | static const uint64_t SBOX3[256]; |
51 | | static const uint64_t SBOX4[256]; |
52 | | |
53 | | secure_vector<uint64_t> m_X, m_digest; |
54 | | const size_t m_hash_len, m_passes; |
55 | | }; |
56 | | |
57 | | } |
58 | | |
59 | | #endif |