text: #pragma once
  
  #include <vector>
  #include <string>
  
  namespace util
  {
  
      std::string to64frombits(const std::vector<unsigned char> & in);
  
      std::string to64frombits(const std::string & in);
  
      bool from64tobits(const std::string & in, std::string & out);
  
  }
  