using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        byte dl = 0xd5;

        byte bl = 0;

        byte al = 0;

        byte sub = 0x46;

        byte[] buffer = ConvertHexadecimalStringToByteArray("92D591D29EE5ADF2BD81C388D299F94E");

        for (int index = 0; index < buffer.Length; index++)

        {

        byte cl = buffer[index];

        bl = al;

        bl = (byte) (bl + dl);

        bl = (byte) (bl ^ cl);

        bl = (byte) (bl - sub);

        al = (byte) (al + 1);

        dl = cl;

        Console.WriteLine(bl.ToString("X2"));

        }

    }

    public static byte[] ConvertHexadecimalStringToByteArray(string hexadecimalString)

    {

        if (hexadecimalString.Length % 2 != 0)

        {

            throw new ArgumentException(String.Format(CultureInfo.InvariantCulture, "HexaDecimal cannot have an odd number of digits: {0}", hexadecimalString));

        }

​

        byte[] hexByteArray = new byte[hexadecimalString.Length / 2];

        for (int index = 0; index < hexByteArray.Length; index++)

        {

            string byteValue = hexadecimalString.Substring(index * 2, 2);

            hexByteArray[index] = byte.Parse(byteValue, NumberStyles.HexNumber, CultureInfo.InvariantCulture);

        }

​

        return hexByteArray;

    }

}

​