Ron Rivest says: >Gee, if we christen the identity (null) transform as an encryption technique, >does that mean we have to apply for export approval to ship out a file-copy >program? ;-) No, but be ready to spend some time in a federal facility, if they find out about your "cp" program exported to Mexico (:-). -- Regards, Uri uri@watson.ibm.com -=-=-=-=-=-=- <Disclaimer>