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Diffstat (limited to 'src/lib/block/cast/cast128.h')
-rw-r--r-- | src/lib/block/cast/cast128.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/lib/block/cast/cast128.h b/src/lib/block/cast/cast128.h new file mode 100644 index 000000000..233c1e478 --- /dev/null +++ b/src/lib/block/cast/cast128.h @@ -0,0 +1,40 @@ +/* +* 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 Block_Cipher_Fixed_Params<8, 11, 16> + { + public: + void encrypt_n(const byte in[], byte out[], size_t blocks) const; + void decrypt_n(const byte in[], byte out[], size_t blocks) const; + + void clear(); + std::string name() const { return "CAST-128"; } + BlockCipher* clone() const { return new CAST_128; } + + private: + void key_schedule(const byte[], size_t); + + static void cast_ks(secure_vector<u32bit>& ks, + secure_vector<u32bit>& user_key); + + secure_vector<u32bit> MK; + secure_vector<byte> RK; + }; + +} + +#endif |