/*

* Noekeon

* (C) 1999-2008 Jack Lloyd

*

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

*/

#ifndef BOTAN_NOEKEON_H_

#define BOTAN_NOEKEON_H_

#include <botan/block_cipher.h>

BOTAN_FUTURE_INTERNAL_HEADER(noekeon.h)

namespace Botan {

/**

* Noekeon

*/

class BOTAN_PUBLIC_API(2,0) Noekeon final : public Block_Cipher_Fixed_Params<16, 16>

   {

   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;

      std::string provider() const override;

      void clear() override;

      std::string name() const override { return "Noekeon"; }

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

      size_t parallelism() const override;

   private:

#if defined(BOTAN_HAS_NOEKEON_SIMD)

      void simd_encrypt_4(const uint8_t in[], uint8_t out[]) const;

      void simd_decrypt_4(const uint8_t in[], uint8_t out[]) const;

#endif

      /**

      * The Noekeon round constants

      */

      static const uint8_t RC[17];

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

      secure_vector<uint32_t> m_EK, m_DK;

   };

}

#endif