/*

* Whirlpool

* (C) 1999-2007 Jack Lloyd

*

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

*/

#ifndef BOTAN_WHIRLPOOL_H_

#define BOTAN_WHIRLPOOL_H_

#include <botan/mdx_hash.h>

BOTAN_FUTURE_INTERNAL_HEADER(whrlpool.h)

namespace Botan {

/**

* Whirlpool

*/

class BOTAN_PUBLIC_API(2,0) Whirlpool final : public MDx_HashFunction

   {

   public:

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

      size_t output_length() const override { return 64; }

      HashFunction* clone() const override { return new Whirlpool; }

      std::unique_ptr<HashFunction> copy_state() const override;

      void clear() override;

      Whirlpool() : MDx_HashFunction(64, true, true, 32), m_M(8), m_digest(8)

         { clear(); }

   private:

      void compress_n(const uint8_t[], size_t blocks) override;

      void copy_out(uint8_t[]) override;

      static const uint64_t C0[256];

      static const uint64_t C1[256];

      static const uint64_t C2[256];

      static const uint64_t C3[256];

      static const uint64_t C4[256];

      static const uint64_t C5[256];

      static const uint64_t C6[256];

      static const uint64_t C7[256];

      secure_vector<uint64_t> m_M, m_digest;

   };

}

#endif