using System; namespace Org.BouncyCastle.Math.EC { public class SimpleLookupTable : AbstractECLookupTable { private readonly ECPoint[] points; public override int Size => points.Length; private static ECPoint[] Copy(ECPoint[] points, int off, int len) { ECPoint[] array = new ECPoint[len]; for (int i = 0; i < len; i++) { array[i] = points[off + i]; } return array; } public SimpleLookupTable(ECPoint[] points, int off, int len) { this.points = Copy(points, off, len); } public override ECPoint Lookup(int index) { throw new NotSupportedException("Constant-time lookup not supported"); } public override ECPoint LookupVar(int index) { return points[index]; } } }