#include <openssl/dh.h>
+Deprecated since OpenSSL 3.0, can be hidden entirely by defining
+B<OPENSSL_API_COMPAT> with a suitable version value, see
+L<openssl_user_macros(7)>:
+
int DH_generate_parameters_ex(DH *dh, int prime_len, int generator, BN_GENCB *cb);
int DH_check(DH *dh, int *codes);
=head1 DESCRIPTION
+All of the functions described on this page are deprecated.
+Applications should instead use L<EVP_PKEY_check(3)>,
+L<EVP_PKEY_public_check(3)>, L<EVP_PKEY_private_check(3)> and
+L<EVP_PKEY_param_check(3)>.
+
DH_generate_parameters_ex() generates Diffie-Hellman parameters that can
be shared among a group of users, and stores them in the provided B<DH>
structure. The pseudo-random number generator must be
=head1 HISTORY
+All of these functions were deprecated in OpenSSL 3.0.
+
DH_generate_parameters() was deprecated in OpenSSL 0.9.8; use
DH_generate_parameters_ex() instead.