@deftypefun {int} {gnutls_cipher_tag} (gnutls_cipher_hd_t @var{handle}, void * @var{tag}, size_t @var{tag_size})
@var{handle}: is a @code{gnutls_cipher_hd_t} type
@var{tag}: will hold the tag
@var{tag_size}: the length of the tag to return
This function operates on authenticated encryption with
associated data (AEAD) ciphers and will return the
output tag.
@strong{Returns:} Zero or a negative error code on error.
@strong{Since:} 3.0
@end deftypefun