| Subject | English | Polish |
| commun., IT | public key infrastructure | infrastruktura klucza publicznego |
| comp., MS | public key infrastructure | infrastruktura kluczy publicznych (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 | Certyfikat infrastruktury kluczy publicznych (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 | hierarchia infrastruktury kluczy publicznych (A hierarchy in which the roles of the certification authority are separated into one root CA and one or more subordinate CAs) |