@deftypefun {int} {gnutls_x509_crt_check_revocation} (gnutls_x509_crt_t @var{cert}, const gnutls_x509_crl_t * @var{crl_list}, unsigned @var{crl_list_length}) @var{cert}: should contain a @code{gnutls_x509_crt_t} type @var{crl_list}: should contain a list of gnutls_x509_crl_t types @var{crl_list_length}: the length of the crl_list This function will check if the given certificate is revoked. It is assumed that the CRLs have been verified before. @strong{Returns:} 0 if the certificate is NOT revoked, and 1 if it is. A negative error code is returned on error. @end deftypefun