public MainPage()
{
this.InitializeComponent();
string key = "jk4c6nbf6huccmwp";
string label = "UWP TOTP";
otp = new OTP(key);
xImage.Source = otp.QRCode(key, label, 200, 200);
timer = new DispatcherTimer();
timer.Tick += Timer_Tick;
timer.Interval = new TimeSpan(0, 0, 30);
// by design (at least ms and google authenticator) change every 30 seconds(@ 0 and 30)
while (DateTime.Now.Second != 0 && DateTime.Now.Second != 30) ;
timer.Start();
}
public static void Main()
{
string key = "jk4c6nbf6huccmwp";
string label = ".NETmf TOTP";
Bitmap screen = new Bitmap(320, 240); // emulator display size
Font font = Resources.GetFont(Resources.FontResources.NinaB);
otp = new OTP(key);
Bitmap qrcode = otp.QRCode(key, label);
screen.DrawImage(10, 10, qrcode, 0, 0, qrcode.Width, qrcode.Height);
// by design (at least ms and google authenticator) change every 30 seconds(@ 0 and 30)
while (DateTime.Now.Second != 0 && DateTime.Now.Second != 30) ;
while (true)
{
screen.DrawRectangle(Color.Black, 1, 220, 10, 100, 32, 0, 0, Color.Black, 0, 0, Color.Black, 50, 30, 0xff);
screen.DrawText(otp.TOTP, font, Color.White, 220, 10);
screen.Flush();
Thread.Sleep(30000);
}
}