| Subject | English | Portuguese |
| comp., MS, Braz. | Key Master | Mestre de Chave (A DNS server role that is responsible for all DNSSEC key management for a specific DNSSEC-signed DNS zone. Different DNS zones can have different Key Masters. The Key Master role can be moved from one DNS server to a different DNS server, but a DNS zone can have only one Key Master at a given time. To be a Key Master, the DNS server must be authoritative for the DNS zone, the zone must be signed with DNSSEC, and the DNS server must be selected to be the Key Master for the DNS zone) |
| comp., MS | Key Master | Mestre de Chaves (A DNS server role that is responsible for all DNSSEC key management for a specific DNSSEC-signed DNS zone. Different DNS zones can have different Key Masters. The Key Master role can be moved from one DNS server to a different DNS server, but a DNS zone can have only one Key Master at a given time. To be a Key Master, the DNS server must be authoritative for the DNS zone, the zone must be signed with DNSSEC, and the DNS server must be selected to be the Key Master for the DNS zone) |
| mech.eng. | master key | chave de segurança |
| comp., MS | master key | chave mestra (The key used by the client and server for all session key generation. The master key is used to generate the client-read key, the client-write key, the server-read key, and the server-write key. Master keys can be exported as simple key BLOBs) |
| comp., MS, Braz. | Pairwise Master Key | Chave PMK (A 256-bit key derived from the Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) or Protected EAP (PEAP) authentication process) |
| comp., MS | Pairwise Master Key A 256-bit key derived from the Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) or Protected EAP (PEAP) authentication process | PMK (Pairwise Master Key) |
| comp., MS | volume master key | chave mestra de volume (An advanced encryption standard (AES) 256-bit key that is used by BitLocker Drive Encryption to encrypt the full volume encryption key. There is only one volume master key per volume) |