public static async Task <String> GetPasswords(CryptographicKey AesKey)
{
CryptographicKey k = await GetRasKey(AesKey);
String R = "";
try
{
int a = int.Parse(await StorageInterface.ReadFromRoamingFolder("PWM/INDEX"));
for (int i = 0; i < a; i++)
{
IBuffer crypitic = await StorageInterface.ReadBufferFromRoamingFolder("PWM/Passwords" + i);
IBuffer plain = DecryptRsa(k, crypitic);
String X = CryptographicBuffer.ConvertBinaryToString(BinaryStringEncoding.Utf8, plain);
if (X == null)
{
X = "";
}
R += X;
}
}
catch (Exception e)
{
e.PrintStackTrace();
return("");
}
return(R);
}
private async Task Logon()
{
Key = CryptoInterface.GestAesKey(LoginPasswordBox.Password);
LoginPasswordBox.Password = "";
IBuffer A = await StorageInterface.ReadBufferFromRoamingFolder("PWM/A");
IBuffer B = await StorageInterface.ReadBufferFromRoamingFolder("PWM/B");
//Debug.WriteLine("Up to here I believe this to be OK");
//Debug.WriteLine(LoginPasswordBox.Password.GetHexString());
//Debug.WriteLine(Key);
IBuffer EA = CryptoInterface.EncryptAes(Key, A);
//Debug.WriteLine("Now this could be unreachable code");
if (!CryptographicBuffer.Compare(B, EA))//Falsches Passwort, da die testfiles nicht zampassen
{
Debug.WriteLine("FALSCHES PASSWORT");
await UserInteraction.ShowDialogAsync("INFORMATION", "Falsches Passwort!");
return;
}
Debug.WriteLine("HAVE DONE SETUP WITH PASSWORD");
MODE_REGULAR.Visibility = MODE_REGULAR_BAR.Visibility = Visibility.Visible;
MODE_LOGIN.Visibility = MODE_SETUP.Visibility = Visibility.Collapsed;
await Refresh();
}
private static async Task <CryptographicKey> GetRasKey(CryptographicKey AesKey)
{
return(AsymmetricKeyAlgorithmProvider.OpenAlgorithm(AsymmetricAlgorithmNames.RsaPkcs1).ImportKeyPair(DecryptAes(AesKey, await StorageInterface.ReadBufferFromRoamingFolder("PWM/RsaKey"))));
}