std::string certificate (bool with_begin_end = false) const;
std::string issuer () const;
std::string serial () const;
std::string subject () const;
std::string common_name () const;
std::string certificate (bool with_begin_end = false) const;
std::string issuer () const;
std::string serial () const;
std::string subject () const;
std::string common_name () const;