>
> I think if the firebird encrypt with the password (like Access
> or Paradox) with no back door password, maybe it can be more safe.
>

You are joking I hope. The only way it is 'more safe' than unencrypted
is because people may be too lazy to bother or the information may be
easier sourced elsewhere.

After 10 seconds with google:

http://www.passwordservice.com/faq1.htm
http://lastbit.com/access/
http://www.sharewareconnection.com/ms-access-password-recoverer.htm

(Not endorsing any of these products, they are just the first 3 google
returned or 170000)

Adam