Of course PGP is available for the Mac. There are some free DES utilities
and Secure Delete. You might be interested in
http://nswt.tuwien.ac.at/htdocs/baudoin-goodie-hints/mac/secure_edit.html
I would also call your attention to my http://ciphersqaber.gurus.com that
tells how to write you own encryption program and my
http://www.hayom.com/diceware.html that describes how to pick stong
passphrases.
At 2:11 PM +0200 5/6/99, Hinde ten Berge wrote:
>[This was sent to another list. I guess you guys know quite a lot about
>this :-) -- Hinde.]
>
...
> So we want to know more about public domian / open source crypto
>tools for the Mac.