EC_PKEY_NO_PUBKEY
if (a == NULL || a->group == NULL || (!(a->enc_flag & EC_PKEY_NO_PUBKEY) && a->pub_key == NULL)) {
if (!(a->enc_flag & EC_PKEY_NO_PUBKEY)) {
ret->enc_flag |= EC_PKEY_NO_PUBKEY;
flags |= EC_PKEY_NO_PUBKEY;
flags &= ~EC_PKEY_NO_PUBKEY;
if ((EC_KEY_get_enc_flags(ec) & EC_PKEY_NO_PUBKEY) != 0