@deftypefun {gnutls_credentials_type_t} {gnutls_auth_get_type} (gnutls_session_t @var{session})
@var{session}: is a @code{gnutls_session_t}  type.

Returns type of credentials for the current authentication schema.
The returned information is to be used to distinguish the function used
to access authentication data.

Eg. for CERTIFICATE ciphersuites (key exchange algorithms:
@code{GNUTLS_KX_RSA} , @code{GNUTLS_KX_DHE_RSA} ), the same function are to be
used to access the authentication data.

Note that on resumed sessions, this function returns the schema
used in the original session authentication.

@strong{Returns:} The type of credentials for the current authentication
schema, a @code{gnutls_credentials_type_t}  type.
@end deftypefun