@deftypefun {int} {gnutls_x509_privkey_get_pk_algorithm2} (gnutls_x509_privkey_t @var{key}, unsigned int * @var{bits}) @var{key}: should contain a @code{gnutls_x509_privkey_t} type @var{bits}: The number of bits in the public key algorithm This function will return the public key algorithm of a private key. @strong{Returns:} a member of the @code{gnutls_pk_algorithm_t} enumeration on success, or a negative error code on error. @end deftypefun