Greetings
Jens has ported the following to the HP3000:-
libdes - Version 3.06 (30/08/94) (a file encrypt/decrypt
utility)
pgp263is - Version 2.6.3i (18/01/1996) (Pretty Good Privacy for
e-mail encryption/decryption)
zip - Version 5.31 (27/04/1996) (pkzip compatible zipper)
unzip - Version 5.31 (31/05/1997) (pkunzip compatible unzipper
that complements zip)
These are available for download in various forms.
Point your browser at ftp://nha.co.za/ and select the directory hp3000.
Regards
Neil Harvey