...one of the most highly
regarded and expertly designed C++ library projects in the
world. — Herb Sutter and Andrei
Use a certificate chain from a file.
void use_certificate_chain_file( const std::string & filename);
This function is used to load a certificate chain into the context from a file.
The name of the file containing the certificate. The file must use the PEM format.
Thrown on failure.