=over 4
-=item SSL_CONF_FLAG_FLAG_CMDLINE, SSL_CONF_FLAG_FLAG_FILE
+=item SSL_CONF_FLAG_CMDLINE, SSL_CONF_FLAG_FILE
recognise options intended for command line or configuration file use. At
least one of these flags must be set.
recognise options intended for use in SSL/TLS clients or servers. One or
both of these flags must be set.
+=item SSL_CONF_FLAG_CERTIFICATE
+
+recognise certificate and private key options.
+
+=item SSL_CONF_FLAG_REQUIRE_PRIVATE
+
+If this option is set then if a private key is not specified for a certificate
+it will attempt to load a private key from the certificate file when
+SSL_CONF_CTX_finish() is called. If a key cannot be loaded from the certificate
+file an error occurs.
+
=item SSL_CONF_FLAG_SHOW_ERRORS
indicate errors relating to unrecognised options or missing arguments in
=head1 HISTORY
-These functions were first added to OpenSSL 1.1.0
+These functions were first added to OpenSSL 1.0.2
=cut