Authentication programs for mobile telephone users; authentication programs for telephone users; authentication apparatus for mobile telephone users; authentication apparatus for telephone users; portable authentication keys for accessing the Internet; portable authentication keys for accessing computer systems; authentication keys for accessing computer systems based on official digital certificates; authentication keys for accessing computer systems based on private digital certificates; authentication keys for mobile phone users; authentication keys for phone users; removable authentication keys for mobile phone users; removable authentication keys for phone users; authentication apparatus used to identify users; authentication apparatus used to identify users for electronic funds transfers; authentication apparatus used to identify users for security purposes; authentication apparatus used to identify users for playing games; encrypted integrated circuits; computer software, recorded; downloadable electronic publications, namely downloadable electronic books, electronic newspapers, electronic study papers or books and electronic newsletters in the field of telecommunication and computers; computer operating programs, recorded; computer programs for encryption; portable information storage devices; electric calculators; apparatus for reading credit cards; vending machines (except electric or electronic); door openers, electric; dry cells; photovoltaic cells; batteries, electric; apparatus for detecting and measuring electromagnetic radiation; electric door bells; video telephones; telephones; automatic telegraph apparatus; radio transmitters; radio receivers; multi-channel telecommunication machines and apparatus, fixed; single-channel telecommunication machines and apparatus, fixed; telecommunication machines and apparatus for marine vessels; sound recording or reproduction apparatus; juke boxes, musical; sound recording discs; optical discs; mouse (data processing equipment); disks, magnetic; computers; pocket calculators; CD-ROMs; removable authentication keys for mobile phones; removable authentication keys for phones