Building End-to-End-Encrypted Systems

This lecture covers the challenges of building end-to-end-encrypted systems, focusing on the vulnerabilities of current systems and the need for new cryptographic approaches. The instructor discusses leakage-abuse attacks, the limitations of existing encrypted databases, and the importance of forgetful systems in enhancing security. The presentation delves into the concept of structured encryption for efficient queries and the development of committing authenticated encryption schemes. Additionally, it explores the role of content moderation in encrypted messaging and the future directions in cryptography and system design to ensure data security. The lecture concludes with insights into the instructor's research contributions and collaborations in the field.