Computer services, including issuance and validation of digital certificates providing authentication of the source of a digital communication; authentication of identity and/or of a digital signature in an electronic transaction or communication over private and/or global computer networks; computer consulting services and technical support in the field of authentication of the source of a digital communication

Digital certificates for use in authentication of digital signatures in an electronic transaction or communication; smart cards including smart cards encoded with digital certificates used to verify the identity of parties to an electronic transaction or communication

Directory services