private static IAuthProvider GetAuthProvider(IntPtr keePassWindowHandle)
{
var authCacheType = Settings.Instance.GetAuthCacheType();
try
{
return(AuthProviderFactory.GetInstance(keePassWindowHandle, authCacheType));
}
catch (AuthProviderKeyNotFoundException ex)
{
if (authCacheType == AuthCacheType.Local)
{
throw;
}
Settings.Instance.WinStorageEnabled = false;
authCacheType = Settings.Instance.GetAuthCacheType();
ErrorHandler.ShowError(ex, "Credential Manager storage has been turned off. Use Options dialog to turn it on.");
return(AuthProviderFactory.GetInstance(keePassWindowHandle, authCacheType));
}
catch (AuthProviderInvalidKeyException ex)
{
if (authCacheType == AuthCacheType.Local)
{
throw;
}
Settings.Instance.WinStorageEnabled = false;
authCacheType = Settings.Instance.GetAuthCacheType();
ErrorHandler.ShowError(ex, "For security reasons Credential Manager storage has been turned off. Use Options dialog to turn it on.");
return(AuthProviderFactory.GetInstance(keePassWindowHandle, authCacheType));
}
}
public KeyCipher(string message, IntPtr windowHandle)
{
_randomSeedBits = 256;
_encryptionIV = CryptoRandom.Instance.GetRandomBytes(16);
_cipherEngine = CipherPool.GlobalPool.GetCipher(StandardAesEngine.AesUuid);
_cryptProvider = AuthProviderFactory.GetInstance(message, windowHandle);
}
public void OnDBClosing(object sender, FileClosingEventArgs e)
{
if (e == null)
{
Debug.Fail("Event is null");
return;
}
if (e.Cancel || e.Database == null || e.Database.MasterKey == null || e.Database.IOConnectionInfo == null)
{
return;
}
string dbPath = e.Database.IOConnectionInfo.Path;
if (!IsDBLocking(e))
{
_keyStorage.Remove(dbPath);
}
else if (AuthProviderFactory.IsAvailable() && Settings.Instance.Enabled)
{
_keyStorage.AddOrUpdate(dbPath, ProtectedKey.Create(e.Database.MasterKey, _keyCipher));
}
}