diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/block/twofish/twofish.h')
-rw-r--r-- | comm/third_party/botan/src/lib/block/twofish/twofish.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/block/twofish/twofish.h b/comm/third_party/botan/src/lib/block/twofish/twofish.h new file mode 100644 index 0000000000..027e2c7011 --- /dev/null +++ b/comm/third_party/botan/src/lib/block/twofish/twofish.h @@ -0,0 +1,47 @@ +/* +* Twofish +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_TWOFISH_H_ +#define BOTAN_TWOFISH_H_ + +#include <botan/block_cipher.h> + +BOTAN_FUTURE_INTERNAL_HEADER(twofish.h) + +namespace Botan { + +/** +* Twofish, an AES finalist +*/ +class BOTAN_PUBLIC_API(2,0) Twofish final : public Block_Cipher_Fixed_Params<16, 16, 32, 8> + { + public: + void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; + void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; + + void clear() override; + std::string name() const override { return "Twofish"; } + BlockCipher* clone() const override { return new Twofish; } + private: + void key_schedule(const uint8_t[], size_t) override; + + static const uint32_t MDS0[256]; + static const uint32_t MDS1[256]; + static const uint32_t MDS2[256]; + static const uint32_t MDS3[256]; + static const uint8_t Q0[256]; + static const uint8_t Q1[256]; + static const uint8_t RS[32]; + static const uint8_t EXP_TO_POLY[255]; + static const uint8_t POLY_TO_EXP[255]; + + secure_vector<uint32_t> m_SB, m_RK; + }; + +} + +#endif |