Videotext service; telecopying service; secure forwarding and transmission of documents for printout purposes or electronic use on the customer's premises

Services of a corporation for electronic data processing and electronic media, such as preparation of concepts and means for guaranteeing safety in the information and communication technology; preparation of safety infra-structures; recording of users of a safety infra-structure; special services for document safety during document preparation, production, distribution, such as key and code generation, key and code storage, key and code administration, trustee functions in conjunction with deposit, development and application of codes, coding of digital data, accreditation functions (certification, registration of users, personalisation), operation of central and decentral computer systems for processing of special services; development of identification codes; authentication; digitalisation of signatures and initials; prevention of unauthorised access to electronic data; preparation of electronic watermarks; electronic protection of trade marks