| Subject | English | Spanish |
| IT | Interworking public key Certification Infrastructure for Europe | infraestructura europea de certificación de claves públicas |
| comp., MS | public key infrastructure 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 | infraestructura de clave pública (PKI) |
| inet. | Public Key Infrastructure | Infraestructura de Clave Pública |
| commun., IT | public key infrastructure | infraestructura de clave pública |
| commun., IT | public key infrastructure | clave pública |
| busin., dat.proc. | public key infrastructure | infraestructura de claves públicas |
| comp., MS | Public Key Infrastructure certificate 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 | certificado PKI (infraestructura de clave pública) |
| comp., MS | public key infrastructure hierarchy | jerarquía de infraestructura de clave pública (A hierarchy in which the roles of the certification authority are separated into one root CA and one or more subordinate CAs) |