Mastering TLS 1.3: Secure Your Communications with Applied Cryptography 🔐

Video lectures for Alfred Menezes's introductory course on real-world
deployments of cryptography.

Topics covered: Secure Sockets Layer, SSL, Transport Layer Security, TLS 1.3, handshake protocol, record layer protocol, forward secrecy, Web PKI, certificates, root CAs, intermediate CAs, DigiNotar breach, certificate transparency

Lecture playlist:
https://www.youtube.com/playlist?list=PLA1qgQLL41SRn_23p8zD0vUpKM4qOgt_T

Course web page: https://cryptography101.ca/crypto101-deployments/
The slides are available on the course web page.

Other cryptography courses: https://cryptography101.ca

Slides
00:00 Introduction
01:04 Slide 38: Transport Layer Security (TLS)
02:32 Slide 39: TLS 1.3
03:41 Slide 40: TLS components
04:02 Slide 41: TLS 1.3 handshake protocol (simplified)
07:16 Slide 42: TLS 1.3 record layer protocol
07:58 Slide 43: RSA key transport or ECDH?
10:13 Slide 44: ECDH and forward secrecy
12:02 Slide 45: Performance
12:39 Slide 46: The TLS PKI
14:09 Slide 47: Example of a TLS certificate: https://bbc.com
15:36 Slide 48: Visiting https://bbc.com
17:14 Slide 49: Visiting https://bbc.com (Handshake 1)
18:16 Slide 50: Visiting https://bbc.com (Handshake 2)
19:37 Slide 51: Visiting https://bbc.com (Handshake 3)
20:06 Slide 52: Secure connection
20:48 Slide 53: GlobalSign
22:08 Slide 54: Can all CAs be trusted?
23:14 Slide 55: DigiNotar
24:42 Slide 56: Other CA breaches
25:53 Slide 57: Dealing with CA breaches