enigma 2, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        static String mMessage = "Esperar algo mejor para el futuro me parece una fantasia.  La naturaleza humana no cambia.";
        
        
        public class Rotor
        {
            static int mPrime = 122949823;
            int[] mEncode, mDecode;
            int mMax, mPosition;
            
            public Rotor(int pMax)
            {
                mPosition = 0;
                mMax = pMax;
                mEncode = new int[mMax];
                mDecode = new int[mMax];
                InitRotor();
            }
            
            void InitRotor()
            {
                List<int> oIndexes = new List<int>();
                for (int i=0; i<mMax; i++)
                    oIndexes.Add(i);
                for (int i=0; i<mMax; i++)
                {
                    int iIndex = (mPrime % (mMax+1-i)) - 1;
                    mEncode[i] = oIndexes[iIndex] - i;
                    mDecode[oIndexes[iIndex]] = i - oIndexes[iIndex];
                    oIndexes.RemoveAt(iIndex);
                }
            }
            
            public int GetEncodedInt(int iVal)
            {
                int iIndex = (mPosition + iVal) % mMax;
                Rotate();
                int iResult = (iIndex + mEncode[iIndex] + mMax) % mMax;
                return iResult;
            }
            public int GetDecodedInt(int iVal)
            {
                int iIndex = (mPosition + iVal) % mMax;
                Rotate();
                int iResult = (iIndex + mDecode[iIndex] + mMax) % mMax;
                return iResult;
            }
            
            
            void Rotate()
            {
                mPosition = (mPosition + 1) % mMax;
            }

public void SetPosition(int pPos)
            {
                mPosition = pPos;
            }
        }
        
        
        public static void Main(string[] args)
        {
            Rotor oRotor = new Rotor(5);
            int n = 5;
            int[] iCoded = new int[n];
            for (int i=0; i<n; i++)
            {
                iCoded[i] = oRotor.GetEncodedInt(i);
//                iCoded[i] = oRotor.GetEncodedInt(7);
                Console.WriteLine(iCoded[i]);
            }
            Console.WriteLine("----------");
            oRotor.SetPosition(0);
            for (int i=0; i<n; i++)
            {
                int iVal = oRotor.GetDecodedInt(iCoded[i]);
                Console.WriteLine(iVal);
            }
            
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,16 sec, absolute running time: 0,13 sec, cpu time: 0,11 sec, average memory usage: 13 Mb, average nr of threads: 3, absolute service time: 0,32 sec