NET140 chp4 (protocols) set2

Front

A small file containing verified identification information about an entity and the entity’s public key.

Back

Digital certificate

Front

An entity that issues and maintains digital certificates as part of the PKI (public key infrastructure).

Back

CA (certificate authority)

Front

The use of a certificate to associate public keys with certain entities.

Back

PKI (public key infrastructure)

Front

The process of ensuring that an entity (such as a user, device, or application) is who they say they are.

Back

Authentication

Front

A certificate signed by the entity that creates it rather than by a trusted, third-party CA (certificate authority).

Back

Self-signed certificate

Front

The process of enforcing standards for all phases of a key’s life cycle.

Back

Key management

Front

A standard that uses SSL/TLS to secure DNS resolution requests with a default port of 853.

Back

DoT (DNS over TLS)

Front

A standard that uses SSL/TLS-secured HTTPS protocol to secure DNS resolution requests using the default HTTPS port 443.

Back

DoH (DNS over HTTPS)

Front

A layer 3 protocol that defines encryption, authentication, and key management for TCP/IP transmission. Is an enhancement to IPv4 and is native to IPv6.

Back

IPsec (internet protocol security)

Front

In the context of IPsec, a type of encryption that provides authentication of the IP packet’s data payload through public key techniques.

Back

AH (authentication header)