private void BtnSave_Click(object sender, RoutedEventArgs e)
{
if (((currentVault == null) || (currentVault == "")) && (vaultData.Count > 0))
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "Iota Vault File (*.IVF)|*.IVF";
if (saveFileDialog.ShowDialog() == true)
{
currentVault = saveFileDialog.FileName;
}
}
//if key doenst exist, ask for one.
if (cryptKey == null)
{
CryptKeyDialog popup = new CryptKeyDialog();
popup.ShowDialog();
cryptKey = SecureStringController.ConvertToSecureString(popup.CryptKey);
}
//store file to disk
if (currentVault != null && cryptKey != null)
{
JsonSerialization.WriteToJsonFile <ObservableCollection <IotaSeed> >(cryptKey, currentVault, vaultData);
vaultData.Clear();
cryptKey.Clear();
}
//Clean gui and memory
currentVault = null;
cryptKey = null;
}
private static SecureString GenerateRandomSeed()
{
char[] chars = new char[27];
chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ9".ToCharArray();
byte[] data = new byte[1];
using (RNGCryptoServiceProvider crypto = new RNGCryptoServiceProvider())
{
crypto.GetNonZeroBytes(data);
data = new byte[81];
crypto.GetNonZeroBytes(data);
}
StringBuilder result = new StringBuilder(81);
foreach (byte b in data)
{
result.Append(chars[b % (chars.Length)]);
}
return(SecureStringController.ConvertToSecureString(result.ToString()));
}
private void BtnOpen_Click(object sender, RoutedEventArgs e)
{
try
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Iota Vault File (*.IVF)|*.IVF";
if (openFileDialog.ShowDialog() == true)
{
//ask for key to decrypt vault
currentVault = openFileDialog.FileName;
CryptKeyDialog popup = new CryptKeyDialog();
popup.ShowDialog();
cryptKey = SecureStringController.ConvertToSecureString(popup.CryptKey);
//decrypt vault and load data
LoadVaultData(JsonSerialization.ReadFromJsonFile <ObservableCollection <IotaSeed> >(cryptKey, currentVault));
}
}
catch
{
MessageBox.Show("Failure: Wrong password or wrong file");
}
}