diff options
Diffstat (limited to 'old/botan/build/botan/cast256.h')
-rw-r--r-- | old/botan/build/botan/cast256.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/old/botan/build/botan/cast256.h b/old/botan/build/botan/cast256.h new file mode 100644 index 0000000..cd48edd --- /dev/null +++ b/old/botan/build/botan/cast256.h @@ -0,0 +1,44 @@ +/* +* CAST-256 +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_CAST256_H__ +#define BOTAN_CAST256_H__ + +#include <botan/block_cipher.h> + +namespace Botan { + +/* +* CAST-256 +*/ +class BOTAN_DLL CAST_256 : public BlockCipher + { + public: + void clear() throw() { MK.clear(); RK.clear(); } + std::string name() const { return "CAST-256"; } + BlockCipher* clone() const { return new CAST_256; } + CAST_256() : BlockCipher(16, 4, 32, 4) {} + private: + void enc(const byte[], byte[]) const; + void dec(const byte[], byte[]) const; + void key_schedule(const byte[], u32bit); + + static const u32bit KEY_MASK[192]; + static const byte KEY_ROT[32]; + + SecureBuffer<u32bit, 48> MK; + SecureBuffer<byte, 48> 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 |