/*

* CAST-256

* (C) 1999-2007 Jack Lloyd

*

* Botan is released under the Simplified BSD License (see license.txt)

*/

#ifndef BOTAN_CAST256_H_

#define BOTAN_CAST256_H_

#include <botan/block_cipher.h>

BOTAN_FUTURE_INTERNAL_HEADER(cast256.h)

namespace Botan {

/**

* CAST-256

*/

class BOTAN_PUBLIC_API(2,0) CAST_256 final : public Block_Cipher_Fixed_Params<16, 4, 32, 4>

   {

   public:

      void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;

      void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;

      void clear() override;

      std::string name() const override { return "CAST-256"; }

      BlockCipher* clone() const override { return new CAST_256; }

   private:

      void key_schedule(const uint8_t[], size_t) override;

      secure_vector<uint32_t> m_MK;

      secure_vector<uint8_t> m_RK;

   };

}

#endif