Lecture 8 Flashcards
What is TLS?
A cryptographic protocol that provides secure communication over a computer network.
What is S/MIME?
A standard for public key encryption and signing of MIME data (secure email).
What is HTTPS?
Secure version of HTTP using TLS to encrypt data between browser and server.
What is IPSec?
A protocol suite for securing IP communications by authenticating and encrypting each IP packet.
What is Kerberos?
A protocol for network authentication using tickets issued by a trusted third party.
What is SSH?
Secure Shell – a cryptographic network protocol for secure access to network services.
What is a VPN?
A Virtual Private Network creates a secure tunnel between a user and a network.
What is the function of a digital certificate?
It binds a public key to an entity’s identity, verified by a Certificate Authority.
What are the three functions of TLS?
Authentication, Integrity (via MAC), and Confidentiality (encryption).
What is a TLS handshake?
The initial negotiation between client and server to establish a secure connection.
What is OAuth2?
An authorization protocol allowing apps to access user data on other services without sharing passwords.
