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This video explains what a Certificate Authority (CA) is and why we need one. Interested viewers may find the following links useful:
What is a digital certificate? - The Security Buddy
www.thesecurit...
What is Public Key Infrastructure (PKI)? - The Security Buddy
www.thesecurit...
Book: Cryptography And Public Key Infrastructure
www.thesecurit...
Cyber Security Course Library - The Security Buddy
www.thesecurit...