| Subject | English | German |
| IT, scient. | country signing public key infrastructure | Country Signing Public Key Infrastructure |
| IT, scient. | extended access control public key infrastructure | Public-Key-Infrastruktur für die erweiterte Zugriffskontrolle |
| commun., IT | public key infrastructure | Public-Key-Infrastruktur |
| commun., IT | public key infrastructure | Public Key Infrastructure |
| comp., MS | public key infrastructure | Public Key-Infrastruktur (The laws, policies, standards, and software that regulate or manipulate certificates and public and private keys. In practice, it is a system of digital certificates, certification authorities, and other registration authorities that verify and authenticate the validity of each party involved in an electronic transaction. Standards for PKI are still evolving, even though they are being widely implemented as a necessary element of electronic commerce) |
| comp., MS | Public Key Infrastructure certificate | Public Key-Infrastrukturzertifikat (A system of digital certificates, certification authorities, and other registration authorities that verify and authenticate the validity of each party involved in an electronic transaction) |
| comp., MS | public key infrastructure hierarchy | Hierarchie der Public Key-Infrastruktur (A hierarchy in which the roles of the certification authority are separated into one root CA and one or more subordinate CAs) |