using System;

using System.Text;

using System.Security.Cryptography;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        string secret = "Cityconnex";

        string message = "XYZ0010|abcd1234|0|Test Reference|1.00";

        string timeStamp = DateTime.UtcNow.ToString("yyyyMMddHHmmss");

        message = message + "|" + timeStamp;

        ASCIIEncoding encoding = new ASCIIEncoding();

        byte[] keyBytes = encoding.GetBytes(secret);

        byte[] messageBytes = encoding.GetBytes(message);

        System.Security.Cryptography.HMACSHA256 cryptographer = new System.Security.Cryptography.HMACSHA256(keyBytes);

        byte[] bytes = cryptographer.ComputeHash(messageBytes);

        string fingerPrint = BitConverter.ToString(bytes).Replace("-", "").ToLower();

        //string strDate1 = DateTime.UtcNow.ToString("yyyyMMddhhmmss");

        Console.WriteLine(fingerPrint);

    }

}