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Robust Transforming Combiners from Indistinguishability Obfuscation to Functional Encryption

TheIACR via YouTube

Overview

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Explore a conference talk presented at Eurocrypt 2017 that delves into robust transforming combiners and their application in converting indistinguishability obfuscation (iO) to functional encryption. Learn about the fundamental concepts of iO, functional encryption, and robust iO combiners. Discover the implications of this research and its relation to previous work in the field. Gain insights into transforming combiners, the process of creating robust combiners, and the innovative approaches presented by the authors. Understand key techniques such as Multi-Party Computation (MPC) evaluation, Oblivious Transfer (OT) implementation, and the novel Onion Combiner method. Conclude by examining further ideas and open questions in this area of cryptography research.

Syllabus

Intro
What is iO?
Functional Encryption
Robust iO Combiners
Implications
Previous Work
This Work
Transforming Combiners
Combiner to Robust Combiner: Idea 1
Removing dependency on X: Idea 2
Combining Ideas
Theorem 2: Combining io
Our Approach
How to evaluate MPC?
(Random) OT
How to Implement OT?
Using PRF keys
Our Fix: Onion Combiner
Further Ideas
Open Questions

Taught by

TheIACR

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