If n is 0, p is set to the identity point. func (table *p256Table) Select(p *P256Point, n uint8) { if n > 16 { panic("nistec: internal error: p256Table called with out-of-bounds value") } p.Set(NewP256Point()) for i := uint8(1); i <= 16; i++ { cond := subtle.ConstantTimeByteEq(i, n) p.Select(&table[i-1], p, cond) } } // Compute populates the table to the first 16 multiples of q. func (table *p256Table) Compute(q *P256Point) *p256Table { table[0].Set(q) for i := 1; i < 16; i += 2 { table[i].Double(&table[i/2])...