Botan 2.1.0 Crypto and TLS for C++11

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twofish.h
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1 /*
2 * Twofish
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7
8 #ifndef BOTAN_TWOFISH_H__
9 #define BOTAN_TWOFISH_H__
10
11 #include <botan/block_cipher.h>
12
13 namespace Botan {
14
15 /**
16 * Twofish, an AES finalist
17 */
18 class BOTAN_DLL Twofish final : public Block_Cipher_Fixed_Params<16, 16, 32, 8>
19 {
20 public:
21 void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
22 void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
23
24 void clear() override;
25 std::string name() const override { return "Twofish"; }
26 BlockCipher* clone() const override { return new Twofish; }
27 private:
28 void key_schedule(const uint8_t[], size_t) override;
29
30 static const uint32_t MDS0[256];
31 static const uint32_t MDS1[256];
32 static const uint32_t MDS2[256];
33 static const uint32_t MDS3[256];
34 static const uint8_t Q0[256];
35 static const uint8_t Q1[256];
36 static const uint8_t RS[32];
37 static const uint8_t EXP_TO_POLY[255];
38 static const uint8_t POLY_TO_EXP[255];
39
40 secure_vector<uint32_t> m_SB, m_RK;
41 };
42
43 }
44
45 #endif
Botan::Twofish::name
std::string name() const override
Definition: twofish.h:25
Botan::Twofish::clone
BlockCipher * clone() const override
Definition: twofish.h:26
Botan::Twofish
Definition: twofish.h:18
Botan::secure_vector
std::vector< T, secure_allocator< T >> secure_vector
Definition: secmem.h:121
Botan
Definition: alg_id.cpp:13
Botan::Block_Cipher_Fixed_Params
Definition: block_cipher.h:183
Botan::BlockCipher
Definition: block_cipher.h:19