//public MemoryStream DecryptedStream;
// Called if the file has a password. Reads the password hash from the file
// and prompts the user to enter a matching password.
// Returns true if the user enters the correct password.
private bool PromptUserForPassword()
{
var hash = _fileReader.ReadBytes(20);
var hint = _fileReader.ReadString();
if (_lastHash != null && hash.SequenceEqual(_lastHash))
{
// Either the same file is being loaded again (refreshed),
// or a different file has the same password. Either way,
// don't ask for the same password again.
return(true);
}
else
{
PasswordDialog dlg = new PasswordDialog(hash, hint);
DialogResult result = dlg.ShowDialog();
if (result == DialogResult.OK)
{
_lastHash = hash;
Key = dlg.EncryptionKey;
return(true);
}
else
{
_lastHash = null;
Key = null;
return(false);
}
}
}
// Called if the file has a password. Reads the password hash from the file
// and prompts the user to enter a matching password.
// Returns true if the user enters the correct password.
private bool PromptUserForPassword()
{
int hash = _fileReader.ReadInt32();
if (hash == _lastHash)
{
// Either the same file is being loaded again (refreshed),
// or a different file has the same password. Either way,
// don't ask for the same password again.
return(true);
}
else
{
PasswordDialog dlg = new PasswordDialog(hash);
DialogResult result = dlg.ShowDialog();
if (result == DialogResult.OK)
{
_lastHash = hash;
return(true);
}
else
{
return(false);
}
}
}