Originally posted on August 18, 2023 | By 

Playing devil’s advocate, let’s pose the following question: Why do people use the Pretty Good Privacy (PGP) encryption system used for sending encrypted emails and encrypting sensitive files, or secure messaging applications like WhatsApp or Signal?

After all, Transport Layer Security (TLS) offers a secure, authenticated connection from a client to a mail, enterprise application, or any other server. Also, many people routinely use Internet Protocol Security (IPsec) based virtual private networks (VPNs) when connecting to the Internet. In both cases, the connection is between authenticated client-server and not necessarily the true endpoints. This provides integrity and, optionally, secrecy in that connection between the edge device and the terminating TLS or VPN server. Isn’t that good enough?

Read the full article at Embedded.