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Technical solution

Operation demands

Certification authority PostSignum QCA complies with the demands defined in the legislative of the Czech Republic for the qualified providers of certification services: Among other problems the requirements for the security are dealt with both at the technological level and the level of regulation basis.

System and components certification

Technical solution

Certification authorities PostSignum form the following tree structure:
Certification authorities PostSignum schema

The tree root is the authority PostSignum Root QCA, which issued qualified system certificates to the subordinate certification authorities, which issue certificates to the end users:

The core of all three certification authorities is based on the software UniCERT of the CyberTrust company.
Also the specialized applications designed and developed by the ICZ, joint stock company, are used.

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