C# ReadLine with mask

ReadLineWithMask.cs

// http://stackoverflow.com/questions/3404421/password-masking-console-application
private string ReadLineWithMask()
{
    string pass = "";
    ConsoleKeyInfo key;

    do
    {
        key = Console.ReadKey(true);

        if (key.Key != ConsoleKey.Backspace && key.Key != ConsoleKey.Enter)
        {
            pass += key.KeyChar;
            Console.Write("*");
        }
        else
        {
            if (key.Key == ConsoleKey.Backspace && pass.Length > 0)
            {
                pass = pass.Substring(0, (pass.Length - 1));
                Console.Write("\b \b");
            }
        }
    }
    // Stops Receving Keys Once Enter is Pressed
    while (key.Key != ConsoleKey.Enter);

    return pass;
}