using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(computeHash("Test"));

    }

    private static string computeHash( string hashString ) {

        using( System.Security.Cryptography.SHA256 encrypter = System.Security.Cryptography.SHA256.Create() ) {

         byte[] strBytes = Encoding.UTF8.GetBytes( hashString );

         byte[] encryptedBytes = encrypter.ComputeHash( strBytes );

         return Convert.ToBase64String( encryptedBytes );

  }

}

}