v.fromP1xP1(tmp1) // v = 16*(prev) in P3 coords table.SelectInto(multiple, digits[i]) tmp1.Add(v, multiple) // tmp1 = x_i*Q + 16*(prev) in P1xP1 coords } v.fromP1xP1(tmp1) return v } // basepointNafTable is the nafLookupTable8 for the basepoint. // It is precomputed the first time it's used. func basepointNafTable() *nafLookupTable8 { basepointNafTablePre.initOnce.Do(func() { basepointNafTablePre.table.FromP3(NewGeneratorPoint()) }) return &basepointNafTablePre.table } var basepointNafTablePre struct...