gost_3411.h

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/*
* GOST 34.11
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
 
#ifndef BOTAN_GOST_3411_H__
#define BOTAN_GOST_3411_H__
 
#include <botan/hash.h>
#include <botan/gost_28147.h>
 
namespace Botan {
 
/**
* GOST 34.11
*/
class BOTAN_DLL GOST_34_11 : public HashFunction
   {
   public:
      std::string name() const { return "GOST-R-34.11-94" ; }
      size_t output_length() const { return 32; }
      size_t hash_block_size() const { return 32; }
      HashFunction* clone() const { return new GOST_34_11; }
 
      void clear();
 
      GOST_34_11();
   private:
      void compress_n(const byte input[], size_t blocks);
 
      void add_data(const byte[], size_t);
      void final_result(byte[]);
 
      GOST_28147_89 cipher;
      SecureVector<byte> buffer, sum, hash;
      size_t position;
      u64bit count;
   };
 
}
 
#endif