| Subject | English | Spanish |
| gen. | authentication certificate | certificado de autenticación |
| comp., MS | client authentication certificate | certificado de autenticación del cliente (In AD FS, a certificate that federation server proxies use to authenticate a client to the Federation Service) |
| gen. | off-line authentication certificate | certificado de autenticación fuera de línea |
| gen. | on-line authentication certificate | certificado de autenticación en línea |
| comp., MS | server authentication certificate | certificado de autenticación de servidor (In AD FS, a certificate that AD FS-enabled Web servers, federation servers, and federation server proxies use to secure Web services traffic for communication among themselves as well as with Web clients) |