:= boothW6(uint(wvalue)) p256SelectAffine(&t0, &p256Precomputed[0], sel) p.x, p.y, p.z = t0.x, t0.y, p256One p256NegCond(&p.y, sign) index := uint(5) zero := sel for i := 1; i < 43; i++ { if index < 192 { wvalue = ((scalar[index/64] >> (index % 64)) + (scalar[index/64+1] << (64 - (index % 64)))) & 0x7f } else { wvalue = (scalar[index/64] >> (index % 64)) & 0x7f } index += 6 sel, sign = boothW6(uint(wvalue)) p256SelectAffine(&t0, &p256Precomputed[i], sel) p256PointAddAffineAs(p, p, &t0, sign, sel, zero)...