using System;

using IdentityModel;

​

public class Program

{

    public static void Main()

    {

        string value = "test";

        Console.WriteLine("SHA256 = " + Base64Encode(value).ToSha256());

    }

​

    public static string Base64Encode(string text)

    {

        var bytes = System.Text.Encoding.UTF8.GetBytes(text);

        string result = System.Convert.ToBase64String(bytes);

        Console.WriteLine("B64 = " + result);

        return result;

    }

}