9 Machine-readable data carriers, namely, blank digital audio tapes, blank audio cassette tapes, blank electronic chip cards, blank smart cards, blank integrated circuit cards, blank magnetic computer tapes, blank video tapes, blank floppy computer discs, blank hard computer discs, blank computer discs, blank CD-ROMs, blank DVDs; computer software used for word processing computer hardware and software for coding and decoding electronically transmitted documents, for electronic processing and authentication of electronically transmitted documents, digital authentication, computer passwords; electronic access control units, namely units which ensure security in an infrastructure, register users for security in infrastructures, process public key infrastructures, develop and apply codes and process certification authorities