src/OpenSSL/SSL.py
def use_certificate_chain_file(self, certfile):
        """
        Load a certificate chain from a file.

        :param certfile: The name of the certificate chain file (``bytes`` or
            ``unicode``).  Must be PEM encoded.

        :return: None
        """
        certfile = _path_string(certfile)

        result = _lib.SSL_CTX_use_certificate_chain_file(
            self._context, certfile
        )
        if not result:
            _raise_current_error()
def use_certificate_chain_file(self, certfile):
        """
        Load a certificate chain from a file.

        :param certfile: The name of the certificate chain file (``bytes`` or
            ``unicode``).  Must be PEM encoded.

        :return: None
        """
        certfile = _path_string(certfile)

        result = _lib.SSL_CTX_use_certificate_chain_file(
            self._context, certfile
        )
        if not result:
            _raise_current_error()
Load a certificate chain from a file.

        :param certfile: The name of the certificate chain file (``bytes`` or
            ``unicode``).  Must be PEM encoded.

        :return: None