@c gnutls_certificate_flags
@table @code
@item GNUTLS_@-CERTIFICATE_@-SKIP_@-KEY_@-CERT_@-MATCH
Skip the key and certificate matching check.
@item GNUTLS_@-CERTIFICATE_@-API_@-V2
If set the gnutls_certificate_set_*key* functions will return an index of the added key pair instead of zero.
@end table