EncodedData.hpp

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// ANNA - Anna is Not Nothingness Anymore                                                         //
//                                                                                                //
// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
//                                                                                                //
// See project site at http://redmine.teslayout.com/projects/anna-suite                           //
// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //


#ifndef anna_core_util_EncodedData_hpp
#define anna_core_util_EncodedData_hpp

#include <openssl/des.h>

#include <anna/core//DataBlock.hpp>

namespace anna {

namespace xml {
class Node;
}

class Encoder;

class EncodedData {
public:
  EncodedData() : a_value(true), a_realSize(0) {;}

  void initialize(const xml::Node* document) noexcept(false);

  xml::Node* asXML(xml::Node* parent) const noexcept(false);

private:
  DES_key_schedule a_skey [3];
  DES_cblock a_iv;
  DataBlock a_value;
  int a_realSize;

  EncodedData(const EncodedData&);

  static const std::string& asBCD(const DataBlock&, std::string&) ;
  static int fromBCD(const std::string&, DataBlock&) ;

  friend class Encoder;
};


}

#endif