Elektronický podpis a První certifikační autorita

This bachelor thesis deals with electronic signature and První certifikační autorita. The theoretical part is aimed at the definition of electronic signature, refers to its advantages and drawbacks and the principles of symmetric and asymmetric cryptology, on which electronic signature is based. It also describes the development of legislation governing electronic signature and provides definitions of selected concepts - certification authority and certificate. The second part deals with the companyPrvní certifikační autorita, one of the only three accredited providers of certification services in the Czech Republic. It contains an introduction of the company, its services, statistics of the Czech certificate market and statistics of the company's issued certificates. Next chapter describes the acquisition process of qualified certificate at První certifikační autorita, an assessment of the service and proposals for its improvement.