@deftypefun {time_t} {gnutls_certificate_expiration_time_peers} (gnutls_session_t @var{session})
@var{session}: is a gnutls session

This function will return the peer's certificate expiration time.

@strong{Returns:} (time_t)-1 on error.

@strong{Deprecated:} @code{gnutls_certificate_verify_peers2()}  now verifies expiration times.
@end deftypefun