Security Protocols in Practice

This lecture delves into the practical implementation of security protocols, focusing on the biometric passport as a case study. The instructor explains the process of secure channel setup, basic access control, active authentication, and the challenges faced in implementing security measures in passports. The lecture also covers the vulnerabilities in the passport system, such as privacy concerns, identity theft scenarios, and attacks on communication channels. Additionally, the instructor discusses the evolution of TLS versions, the key components of TLS 1.3, and the techniques used for session resumption in TLS. The lecture concludes with insights into ChaChaPoly encryption and the establishment of secure communication channels.