Attribute-based Encryption and Friends - Eurocrypt 2023 Session

Explore advanced cryptographic concepts in this Eurocrypt 2023 conference session on Attribute-based Encryption and related topics. Delve into Functional Encryption (FE), examining the motivation behind Unbounded FE and previous works in this area. Learn about Unbounded Quadratic Functions and Quadratic Functional Encryption (QFE). Gain insights into Multi-input PE, focusing on the 2-input case, and understand Lockable Obfuscation. Conclude with an overview of decryption techniques for n ≥ 2. Enhance your knowledge of cutting-edge cryptographic research and applications in this 38-minute presentation from TheIACR.

Intro
Functional Encryption (FE)
Motivation of Unbounded FE
Previous Works for Unbounded FE
Unbounded Quadratic Functions
Quadratic Functional Encryption (QFE)
Conclusion
Overview
Multi-input PE (2-input case)
Lockable Obfuscation
Decryption for n 2