// _111000 = _111 << 3 // _111111 = _111 + _111000 // x12 = _111111 << 6 + _111111 // x14 = x12 << 2 + _11 // x17 = x14 << 3 + _111 // x31 = x17 << 14 + x14 // x48 = x31 << 17 + x17 // x96 = x48 << 48 + x48 // x127 = x96 << 31 + x31 // return x127 << 97 + x96 // var z = new(P224Element).Set(e) var t0 = new(P224Element) var t1 = new(P224Element) var t2 = new(P224Element) z.Square(x) t0.Mul(x, z) z.Square(t0) z.Mul(x, z) t1.Square(z) for s := 1; s < 3; s++ { t1.Square(t1) } t1.Mul(z, t1) t2.Square(t1)...