TLS 1.3 offers a new approach to handling encryption and integrity, it uses AEAD algorithms which elegantly combine these two in a single step, making the process a lot simpler. This is one of the many videos in the mini-series of HTTPS 0:00 Intro 0:12 TLS 1.3 Cipher Suites 0:45 AEAD Algorithms 2:40 Key features about ChaCha20-Poly1305 3:50 Demo of ChaCha20-Poly1305