I re-post my question (second and last time, I promise). My question is: How can I cipher with SYMMETRIC keys in batch mode? (To automate the task, under MS Windows) Does anybody know how can be done? Thank you in advance for any suggestion Paolo -- Archive is at http://lists.gnupg.org - Unsubscribe by sending mail with a subject of "unsubscribe" to gnupg-users-request@gnupg.org