What is public-key cryptography? Leo Laporte explains how end-to-end encryption works. How to encrypt email: https://twit.tv/atg13 Signal Private Messenger: https://signal.org GPG Suite: https://gpgtools.org/ Host: Leo Laporte Download or subscribe to this show at https://twit.tv/shows/ask-the-tech-guy Sponsor: LastPass.com/twit