async void _dispatcher_Tick(object sender, object e)
{
if (_state == GenerationState.None)
{
StartStopButton.Content = "Generate";
_dispatcher.Stop();
return;
}
var multiplier = _random.NextDouble() * 100;
var vectorX = multiplier * (_gyroReading.AngularVelocityX + 1) * (_forceReading.AccelerationX + 1);
var vectorY = multiplier * (_gyroReading.AngularVelocityY + 1) * (_forceReading.AccelerationY + 1);
var vectorZ = multiplier * (_gyroReading.AngularVelocityZ + 1) * (_forceReading.AccelerationZ + 1);
var value = Math.Sqrt(Math.Pow(vectorX, 2) + Math.Pow(vectorY, 2) + Math.Pow(vectorZ, 2));
while (value > Characters.Length)
{
value *= _random.NextDouble();
}
_generatedSecrets.Add(Characters[(int)value]);
ProgressBar.Value = _generatedSecrets.Count;
_newSecretCode = string.Join(" ", _generatedSecrets);
SecretDisplay.Text = _newSecretCode;
if (_generatedSecrets.Count == 15)
{
_state = GenerationState.None;
StartStopButton.Content = "Generate";
_dispatcher.Stop();
ApplyButton.IsEnabled = true;
_newSecretCodeWithChecksum = _newSecretCode + SecretChecksum.Compute(_newSecretCode);
SecretDisplay.Text = _newSecretCodeWithChecksum;
return;
}
await Task.Delay(TimeSpan.FromSeconds(_random.NextDouble() * 2.5 + 0.5));
}
private void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
ErrorMessage.Text = "";
if (Secret.Text.Length != 16)
{
ErrorMessage.Text = "Secret key must have length of 16.";
args.Cancel = true;
return;
}
var secret = Secret.Text.Substring(0, 15);
var checksum = Secret.Text[15];
if (SecretChecksum.Compute(secret) != checksum)
{
ErrorMessage.Text = "Provided secret key is invalid. Checksum is incorrect.";
args.Cancel = true;
return;
}
SettingsProvider.SecretSequence = secret;
}
