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Diffstat (limited to 'include/twofish.h')
-rw-r--r-- | include/twofish.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/twofish.h b/include/twofish.h new file mode 100644 index 000000000..3f1602ef5 --- /dev/null +++ b/include/twofish.h @@ -0,0 +1,40 @@ +/************************************************* +* Twofish Header File * +* (C) 1999-2006 The Botan Project * +*************************************************/ + +#ifndef BOTAN_TWOFISH_H__ +#define BOTAN_TWOFISH_H__ + +#include <botan/base.h> + +namespace Botan { + +/************************************************* +* Twofish * +*************************************************/ +class Twofish : public BlockCipher + { + public: + void clear() throw(); + std::string name() const { return "Twofish"; } + BlockCipher* clone() const { return new Twofish; } + Twofish() : BlockCipher(16, 16, 32, 8) {} + private: + void enc(const byte[], byte[]) const; + void dec(const byte[], byte[]) const; + void key(const byte[], u32bit); + + static void rs_mul(byte[4], byte, u32bit); + + static const u32bit MDS0[256], MDS1[256], MDS2[256], MDS3[256]; + static const byte Q0[256], Q1[256], RS[32]; + static const byte EXP_TO_POLY[255], POLY_TO_EXP[255]; + + SecureBuffer<u32bit, 256> SBox0, SBox1, SBox2, SBox3; + SecureBuffer<u32bit, 40> round_key; + }; + +} + +#endif |