/src/botan/build/include/botan/internal/serpent.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Serpent |
3 | | * (C) 1999-2007 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #ifndef BOTAN_SERPENT_H_ |
9 | | #define BOTAN_SERPENT_H_ |
10 | | |
11 | | #include <botan/block_cipher.h> |
12 | | |
13 | | namespace Botan { |
14 | | |
15 | | /** |
16 | | * Serpent is the most conservative of the AES finalists |
17 | | * https://www.cl.cam.ac.uk/~rja14/serpent.html |
18 | | */ |
19 | | class Serpent final : public Block_Cipher_Fixed_Params<16, 16, 32, 8> |
20 | | { |
21 | | public: |
22 | | void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; |
23 | | void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; |
24 | | |
25 | | void clear() override; |
26 | | std::string provider() const override; |
27 | 0 | std::string name() const override { return "Serpent"; } |
28 | 0 | BlockCipher* clone() const override { return new Serpent; } |
29 | | |
30 | 0 | size_t parallelism() const override { return 4; } |
31 | | |
32 | | private: |
33 | | |
34 | | #if defined(BOTAN_HAS_SERPENT_SIMD) |
35 | | void simd_encrypt_4(const uint8_t in[64], uint8_t out[64]) const; |
36 | | void simd_decrypt_4(const uint8_t in[64], uint8_t out[64]) const; |
37 | | #endif |
38 | | |
39 | | #if defined(BOTAN_HAS_SERPENT_AVX2) |
40 | | void avx2_encrypt_8(const uint8_t in[64], uint8_t out[64]) const; |
41 | | void avx2_decrypt_8(const uint8_t in[64], uint8_t out[64]) const; |
42 | | #endif |
43 | | |
44 | | void key_schedule(const uint8_t key[], size_t length) override; |
45 | | |
46 | | secure_vector<uint32_t> m_round_key; |
47 | | }; |
48 | | |
49 | | } |
50 | | |
51 | | #endif |