DH_generate_parameters_ex
int DH_generate_parameters_ex(DH *dh, int prime_len,int generator, BN_GENCB *cb);
if (DH_generate_parameters_ex(ret, prime_len, generator, &cb))
LCRYPTO_ALIAS(DH_generate_parameters_ex);
if (!DH_generate_parameters_ex(dh, dctx->prime_len, dctx->generator, pcb))
LCRYPTO_USED(DH_generate_parameters_ex);
if (DH_generate_parameters_ex(dh, 32, DH_GENERATOR_2,
if (!DH_generate_parameters_ex(dh, 64, DH_GENERATOR_5, _cb))
if (!dh || !DH_generate_parameters_ex(dh, num, cfg.g, cb)) {
!DH_generate_parameters_ex(dh, numbits, cfg.g, cb))