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Diffstat (limited to 'old/botan/src/block/cast/cast128.h')
-rw-r--r-- | old/botan/src/block/cast/cast128.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/old/botan/src/block/cast/cast128.h b/old/botan/src/block/cast/cast128.h new file mode 100644 index 0000000..6804814 --- /dev/null +++ b/old/botan/src/block/cast/cast128.h @@ -0,0 +1,47 @@ +/* +* CAST-128 +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_CAST128_H__ +#define BOTAN_CAST128_H__ + +#include <botan/block_cipher.h> + +namespace Botan { + +/* +* CAST-128 +*/ +class BOTAN_DLL 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_schedule(const byte[], u32bit); + + static void key_schedule(u32bit[16], u32bit[4]); + + static const u32bit S5[256]; + static const u32bit S6[256]; + static const u32bit S7[256]; + static const u32bit 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 |