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Diffstat (limited to 'include/cast128.h')
-rw-r--r-- | include/cast128.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/cast128.h b/include/cast128.h new file mode 100644 index 000000000..191ada337 --- /dev/null +++ b/include/cast128.h @@ -0,0 +1,42 @@ +/************************************************* +* CAST-128 Header File * +* (C) 1999-2006 The Botan Project * +*************************************************/ + +#ifndef BOTAN_CAST128_H__ +#define BOTAN_CAST128_H__ + +#include <botan/base.h> + +namespace Botan { + +/************************************************* +* CAST-128 * +*************************************************/ +class CAST_128 : public BlockCipher + { + public: + void clear() throw() { MK.clear(); RK.clear(); } + std::string name() const { return "CAST-128"; } + BlockCipher* clone() const { return new CAST_128; } + CAST_128() : BlockCipher(8, 11, 16) {} + private: + void enc(const byte[], byte[]) const; + void dec(const byte[], byte[]) const; + void key(const byte[], u32bit); + + static void key_schedule(u32bit[16], u32bit[4]); + + static const u32bit S5[256], S6[256], S7[256], S8[256]; + + SecureBuffer<u32bit, 16> MK, RK; + }; + +extern const u32bit CAST_SBOX1[256]; +extern const u32bit CAST_SBOX2[256]; +extern const u32bit CAST_SBOX3[256]; +extern const u32bit CAST_SBOX4[256]; + +} + +#endif |