DH_get0_g
l = BN_bn2bin(DH_get0_g(dh), data);
l = BN_bn2bin(DH_get0_g(dh), data);
const BIGNUM *DH_get0_g(const DH *dh);
if ((dh_g_len = BN_num_bytes(DH_get0_g(dh))) <= 0)
if (BN_bn2bin(DH_get0_g(dh), data) != dh_g_len)
if ((g = BN_dup(DH_get0_g(dh_params))) == NULL)