Digitální podpis a digitální certifikáty

This following thesis deals with the issue of digital certificates and signature. Her subject matter is intended for the experts, for which is a duty to be concerned with this matters. The usage could be applied for people dealing with the electronic signating and coding of electronic communication. Particular chapters are mapping out each part to nitty gritty details according to a knowledge of a reader. Teoretical part is dealing with the concrete legislativ, principals of digital certifications and signature, basics of coding with possible security risks. In the practical part are made suggestions of configurations concentrated on an efficient usage of digital signatures and certifications, which are described in detail.