/*

* Camellia

* (C) 2012 Jack Lloyd

*

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

*/

#ifndef BOTAN_CAMELLIA_H_

#define BOTAN_CAMELLIA_H_

#include <botan/block_cipher.h>

namespace Botan {

/**

* Camellia-128

*/

class Camellia_128 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;

      void clear() override;

      std::string name() const override { return "Camellia-128"; }

      std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<Camellia_128>(); }

   private:

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

      secure_vector<uint64_t> m_SK;

   };

/**

* Camellia-192

*/

class Camellia_192 final : public Block_Cipher_Fixed_Params<16, 24>

   {

   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 "Camellia-192"; }

      std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<Camellia_192>(); }

   private:

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

      secure_vector<uint64_t> m_SK;

   };

/**

* Camellia-256

*/

class Camellia_256 final : public Block_Cipher_Fixed_Params<16, 32>

   {

   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 "Camellia-256"; }

      std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<Camellia_256>(); }

   private:

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

      secure_vector<uint64_t> m_SK;

   };

}

#endif