@deftypefun {int} {gnutls_ocsp_resp_get_signature_algorithm} (gnutls_ocsp_resp_const_t @var{resp}) @var{resp}: should contain a @code{gnutls_ocsp_resp_t} type This function will return a value of the @code{gnutls_sign_algorithm_t} enumeration that is the signature algorithm that has been used to sign the OCSP response. @strong{Returns:} a @code{gnutls_sign_algorithm_t} value, or a negative error code on error. @end deftypefun