Geoff Worboys wrote:

> ...
> . TrueCrypt
> http://www.truecrypt.org/
> this is what I use now.
> ...

Could you say something about "performance penalty", if any?
How do the sizes of encrypted and unencrypted files compare?

For systems that just encrypt a selection of fields, what happens
with size of the fields? Is there a point in encrypting a char(11)
field (maybe it's childs play to decrypt them)?

--
Aage J.