Change ECDSA signing to use blinding.
int wc_ecc_get_curve_id(int curve_idx)
{
    if (wc_ecc_is_valid_idx(curve_idx)) {
        return ecc_sets[curve_idx].id;
    }
    return ECC_CURVE_INVALID;
}

int wc_ecc_get_curve_id(int curve_idx)
{
    if (wc_ecc_is_valid_idx(curve_idx)) {
        return ecc_sets[curve_idx].id;
    }
    return ECC_CURVE_INVALID;
}
