This tutorial starts with a review of Symmetric and Asymmetric (PKI) Encryption. It discusses self signed certificates and how an SSL certificate is used in a Client-Server web communication session. 05:31 digital certificate 06:31 trust 06:45 CA 06:52 A certificate authority validates the identity of the certificate holder 07:21self-signed certificate 08:55 user identification 12:37 self-signed certificate 15:14 testing 15:25 self-signed certificate , root certificate 17:18 This is the second in a series on how encryption and certificates work. Other videos are: Introduction to Encryption Certificates: Chain of Trust