42 Data encryption services; computer system design; services provided by consultants relating to Internet security, namely, Internet security consultancy; services provided by consultants relating to data security, namely, data security consultancy; technological consultancy services, namely, technological consultation in the technology field of computer software; information technology consultancy services; telecommunication technology consultancy services; computer software consultancy; computer security consultancy; software development; cloud computing, namely, homomorphic encryption services in the field of cloud computing; software installation; software as a service (SaaS) services featuring software for homomorphic data encryption; rental of computer software for homomorphic data encryption; updating of software; electronic data storage; monitoring of computer systems for the detection of unauthorized access or data protection breaches; design of computer systems comprising memory cards or chip cards and telecommunication systems; design and development of computers and software; consultancy relating to computers, namely, computer security consultancy; duplication of computer programs; programming for computers for others; product research, design, development, updating, maintenance, rental and advice regarding database systems, computer hardware and software for accessing, reading, tracking, as well as using blockchain technologies and distributed ledger technologies (DLT); product research and development in the field of computer networks, software, cyber security and cryptography; person, information, data and message encryption, decryption, encoding, decoding and authentication services, namely, homomorphic data encryption; platform as a service (PaaS) featuring computer software platforms for homomorphic data encryption; study in the nature of engineering, customization in the nature of programming and implementation in the nature of programming services for software, chip cards, integrated circuit cards, microcircuit cards, memory cards, magnetic cards, electronic cards, and contactless cards; computer services provided with a view to monitoring, transmission and reception of data, signals, images and information relating to computer-processed telecommunications, namely, homomorphic data encryption services; design and development of computers, software, software packages, software applications, computer programs, hosted and operated services being software as a service (SaaS) services and associated documentation in the nature of computer software featuring operating manuals; programming for computers; development, installation, configuration, setting up in the nature of preparation, operation in the nature of installation, maintenance and updating of software, software packages, software applications, computer programs and computer software for hosted and operated services; development of software, software packages, certified and qualified security services and products; design and integration of computer networks; services related to technical study and customization, namely, inserting in the nature of authentication, issuance, and validation of electronic digital certificates and keys in the nature of digital and electronic data certificates for encoding on electronic data carrier in the form of chip cards being integrated circuits and chip keys being USB computer security keys and commissioning being activation in the nature of authentication, issuance, and validation of digital certificates of data carriers in the form of chip cards being integrated circuits and chip keys being USB computer security keys; electronic and digital certification services, namely, programming, implementing and setting up in the nature of preparation and installation of computer software for a computer system for issuing and managing electronic and digital certificates life-cycle; issue and delivery of electronic certificates, namely, authentication, issuance and validation of digital certificates; electronic and digital signature services, namely, electronic signature verification services using technology to authenticate user identity; secured and advanced electronic and digital signature services, namely, electronic signature verification services using technology to authenticate user identity; authentication of digital and electronic data by cryptographic means, namely, electronic document and software authentication services; services for managing evidence of electronic data and of electronic transactions, namely, user authentication services using facial recognition technology to authenticate user identity; creation and implementation of computer software for a public key infrastructure and a certification authority hierarchy; requests for issue, renewal and revocation of electronic or digital certificates, namely, computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates; registration of requests for certificates, namely, authentication, issuance and validation of digital certificates; generation, delivery, customization and management of electronic media such as chip cards and sending of single-use codes or passwords, namely, computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates; life-cycle management of electronic and digital certificates on all kinds of electronic and cryptographic media, such as chip cards, TPM card, USB flash drives, company badges, electronic identity documents, mobile telephones, digital tablets or any other terminal, namely, computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates; authentication services for certificate holders, users and administrators, namely, authentication of digital certificates; computer security services in the nature of administering digital certificates, namely, publication of lists of revoked certificates and lists of revoked authorities; electronic certificate validation services; computer programming services for security in the computer field especially the Internet, Extranet and Intranet networks; authentication of digital certificates for websites and user stations, namely, of computers linked to a network; services of cryptography, namely, homomorphic data encryption services; electronic data encryption; electronic document time-stamping services, namely, programming, parametrization and implementation of computer systems for dating electronic documents by means of creating time control tickets on such documents; exchange traceability, namely, computer security services, namely, restricting unauthorized access to hard drives, computer networks and websites; access control to computer tools, namely, cybersecurity services in the nature of restricting unauthorized access to computer systems; monitoring data and transaction integrity, namely, user authentication services using facial recognition technology to authenticate user identity; recovery of electronic signature and encryption keys being digital and electronic secret keys, namely, services enabling the recovery and recalculation of such keys in the nature of computer security services in the nature of administering digital keys; custodian services for signature and encryption keys, namely, technical management of such keys for others in the nature of computer security services in the nature of administering digital keys; authentication, issuance and validation of digital certificates, namely, monitoring and securing of data and data transmissions, checking and recognizing marking of information and data, especially services for identifying and verifying the authenticity and origin of information and data for quality control purposes; digital and electronic data authentication via cryptographic means and resources and via a chip card; username and password verification and authentication on electronic and computer systems using technology to authenticate user identity; authentication services especially via code control and voice recognition systems, namely, intelligent voice recognition services using cloud-based software technology, providing user authentication services using biometric hardware and software technology for homomorphic data encryption; data traceability especially via a transaction traffic escrow system, namely, authentication, issuance and validation of digital certificates; electronic safe services, namely, services for encryption, stealing and chaining of data to ensure the integrity and exhaustive nature of data over time in the nature of homomorphic data encryption and decoding services; electronic signature validation services, namely, electronic signature verification services using technology to authenticate user identity; electronic document time-stamping services, namely, programming, setting up in the nature of preparation and installation and implementation of computer software for a computer system for dating electronic documents by creating time control tickets on such documents; electronic document time-stamping platform design; services for managing requests for time control tickets and date stamping tokens, namely, electronic document time-stamping services; re-materialization services for archived evidence files, namely, homomorphic data decryption services; digital and electronic print services for securing data, transactions, documents and electronic signatures, namely, authentication, issuance and validation of digital certificates, electronic signature verification services using technology to authenticate user identity; trust services, namely, authentication of digital certificates, data encryption services, digital certificates validation, electronic document time-stamping, strong authentication of digital certificates, secure archiving in the nature of electronic storage services for archiving electronic data, third party identity management services, namely, electronic signature verification services using technology to authenticate user identity; on-line and remote electronic document signature services, namely, electronic signature verification services using technology to authenticate user identity; simple, secured and advanced electronic and digital signature services, namely, electronic signature verification services using technology to authenticate user identity; securing electronic and computer data exchanges, namely, electronic document authentication services, authentication, issuance and validation of digital certificates; secure identity management, namely, electronic signature verification services using technology to authenticate user identity; authentication of digital certificates, data encryption and electronic signature verification services using technology to authenticate user identity via a chip card or via any terminal, such as a computer, smart phone, or tactile tablet; validation of electronic certificates; monitoring of data, signals, images and information processed by computers, namely, monitoring of computer systems by remote access to ensure proper functioning