Explore a groundbreaking paper on cryptographic obfuscation presented at Eurocrypt 2018. Delve into the concept of Obfustopia built on secret-key functional encryption, as introduced by Kitagawa, Nishimaki, and Tanaka. Learn about the fundamentals of obfuscation and functional encryption, and understand the importance of succinctness and collusion-resistance in cryptographic systems. Discover the motivation behind this research and examine the challenges associated with the SXIO (Succinct XIO) technique. Gain insights into the security proof overview and grasp the key takeaways from this innovative approach to cryptographic obfuscation.
Obfustopia Built on Secret-Key Functional Encryption
Overview
Syllabus
Intro
Obfuscation
Functional encryption (FE)
Succinctness / Collusion-resistance
Motivation
Succinctness from SXIO
Problem with SXIO technique
Overview of security proof
Summary
Taught by
TheIACR
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