42 Developing, programming, installing, configuring (parameterization) and maintaining software, especially computer software for running devices, apparatus and installations for security, identification and authentication and for securing data transmission; Hosting computer sites; consulting services in the area of computer software; consulting relating to computer security, in the technological field of security measures, identification and authentication measures; data and information encryption and decryption services; rental of computer software; providing services of a certification body, namely, issuing and managing digital keys, algorithms for encryption and digital signatures; electronic storage of data and programming of software for data management; consulting services in the field of planning and running devices, apparatus and installations for security, identification and electronic authentication (computer security) especially programming and configuring (parameterization) software for devices, apparatus and installations mentioned above