@deftypefun {int} {gnutls_x509_crq_set_challenge_password} (gnutls_x509_crq_t @var{crq}, const char * @var{pass})
@var{crq}: should contain a @code{gnutls_x509_crq_t}  type

@var{pass}: holds a (0)-terminated password

This function will set a challenge password to be used when
revoking the request.

@strong{Returns:} On success, @code{GNUTLS_E_SUCCESS}  (0) is returned, otherwise a
negative error value.
@end deftypefun