Overview
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Watch a 59-minute Eurocrypt 2023 session on Messaging and Message Franking presented by TheIACR. Explore key topics including messaging with key updates, building UPIBE for bounded and unbounded depths, and the ongoing debate over encryption. Delve into the challenges of implementing backdoors, the negative impacts of weakening encryption, and moderation without end-to-end encryption. Learn about minimum requirements, design philosophy, and a compiler for pre-constrained group signatures. Gain insights into security requirements and performance considerations for messaging systems. Understand the complexities and trade-offs involved in modern secure communication technologies.
Syllabus
Intro
Messaging with Key Updates
Building UPIBE: Bounded Depth q
Building UPIBE: Unbounded Depth
Summary & Outlook
The debate over encryption
No good way to implement backdoors
Negative impacts cannot be ignored
Moderation without E2EE
Some inherent limitations
Minimum Requirements
Design Philosophy
Compiler for Pre-Constrained Group Signatures
How do we perform?
Takeaways
Security requirements
Taught by
TheIACR