using System;

using System.Collections.Generic;

using System.Security.Cryptography;

using System.Text;                  

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Skapad hash:" + CreateHash("107001007","2019-09-12%2018:41"));

    }

    private static string CreateHash(string objectName, string timeStamp)

{

    string commonKey = "d6b49a0a_exampt_configured_7e89jdah";

    //Användning av SHA1 hash

    HMACSHA1 hasher = new HMACSHA1(Encoding.ASCII.GetBytes(commonKey));

​

    //Skapa sträng som ska bli hashad

    string stringToHash = objectName + timeStamp;

​

    hasher.ComputeHash(Encoding.ASCII.GetBytes(stringToHash));

​

    //Koda hash-sträng i Base64. 

    string hashedString = Convert.ToBase64String(hasher.Hash);

​

    //För att göra Base64 hash web-safe

    string urlSafeHash = hashedString.Replace("+", "-").

   Replace("/", "_").Replace("=", "*");

    return urlSafeHash;

}   

}

​