C# - Kennwort Eingabe mit Sternchen

// Apfel Tools
// www.citrusnet.ch/blog


string passwort = "";
ConsoleKeyInfo Key;

do
{
    Key = Console.ReadKey();

    if (Key.Key == ConsoleKey.Backspace)
    {
        if (passwort.Length != 0)
        {
            Console.Write(' ');
            Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
            passwort = passwort.Substring(0, passwort.Length - 1);
        }
    }
    else if (Key.Key != ConsoleKey.Enter)
    {
        Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);

        if (Convert.ToInt32(Key.KeyChar) != 0)
        {
            Console.Write('*');
            passwort += Key.KeyChar;
        }
    }
}

while (Key.Key != ConsoleKey.Enter && passwort.Length < 33);