Question

What is the role of ca in network security authentication?

Answer 1

The process of identifying an individual, usually based on a username and password. In security systems, authentication is distinct from authorization , which is the process of giving individuals access to system objects based on their identity.

Answer 2

Public key cryptography is a cryptographic technique that enables entities to securely communicate on an insecure public network, and reliably verify the identity of an entity via digital signatures. ... A central directory—i.e., a secure location in which to store and index keys.