using System;

using System.Security.Cryptography;

using System.Text;

public class Program

{

    public static void Main()

    {

        var createUserSign = "Agent=BNM_A1_001&Password=7mzsxb0er&PlayerAccount=BNM_A1_001VGM225&PrivateKey=UpxO$zAbUWTyE6@XSi8k";

        var listUsersSign = "PageNumber=1&PrivateKey=UpxO$zAbUWTyE6@XSi8k";

        var userInfoSign = "PlayerAccount=BNM_A1_001VGM225&PrivateKey=UpxO$zAbUWTyE6@XSi8k";

        HashAlgorithm hashAlgorithm = new SHA256Managed();

        byte[] byteArray = hashAlgorithm.ComputeHash(Encoding.UTF8.GetBytes(createUserSign));

        String result = Convert.ToBase64String(byteArray);

        Console.WriteLine("HashResult: " + result);

    }

}