public async Task UpdatePinAsync()
{
_pin = !_pin;
if (_pin)
{
var pin = await _deviceActionService.DisplayPromptAync(AppResources.EnterPIN,
AppResources.SetPINDescription, null, AppResources.Submit, AppResources.Cancel, true);
if (!string.IsNullOrWhiteSpace(pin))
{
var masterPassOnRestart = false;
if (!await _keyConnectorService.GetUsesKeyConnector())
{
masterPassOnRestart = await _platformUtilsService.ShowDialogAsync(
AppResources.PINRequireMasterPasswordRestart, AppResources.UnlockWithPIN,
AppResources.Yes, AppResources.No);
}
var kdf = await _stateService.GetKdfTypeAsync();
var kdfIterations = await _stateService.GetKdfIterationsAsync();
var email = await _stateService.GetEmailAsync();
var pinKey = await _cryptoService.MakePinKeyAysnc(pin, email,
kdf.GetValueOrDefault(Core.Enums.KdfType.PBKDF2_SHA256),
kdfIterations.GetValueOrDefault(5000));
var key = await _cryptoService.GetKeyAsync();
var pinProtectedKey = await _cryptoService.EncryptAsync(key.Key, pinKey);
if (masterPassOnRestart)
{
var encPin = await _cryptoService.EncryptAsync(pin);
await _stateService.SetProtectedPinAsync(encPin.EncryptedString);
await _stateService.SetPinProtectedKeyAsync(pinProtectedKey);
}
else
{
await _stateService.SetPinProtectedAsync(pinProtectedKey.EncryptedString);
}
}
else
{
_pin = false;
}
}
if (!_pin)
{
await _cryptoService.ClearPinProtectedKeyAsync();
await _vaultTimeoutService.ClearAsync();
}
BuildList();
}