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@deftypefun {int} {gnutls_dh_get_group} (gnutls_session_t @var{session}, gnutls_datum_t * @var{raw_gen}, gnutls_datum_t * @var{raw_prime})
@var{session}: is a gnutls session
@var{raw_gen}: will hold the generator.
@var{raw_prime}: will hold the prime.
This function will return the group parameters used in the last
Diffie-Hellman key exchange with the peer. These are the prime and
the generator used. This function should be used for both
anonymous and ephemeral Diffie-Hellman. The output parameters must
be freed with @code{gnutls_free()} .
Note, that the prime and generator are exported as non-negative
integers and may include a leading zero byte.
@strong{Returns:} On success, @code{GNUTLS_E_SUCCESS} (0) is returned, otherwise
an error code is returned.
@end deftypefun
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