Overview
Watch a 59-minute conference session from Eurocrypt 2023 focused on Non-Interactive Multi-Party Computation (MPC). Explore secure two-party computation, unbounded reusable NISC, and reusable two-sided NISC. Delve into the intuition behind impossibility results and strategies to overcome them. Learn about super-polynomial simulation, multi-party reusable non-interactive secure computation, witness encryption, and the challenges in upgrading security in MPC settings. Gain insights into motivating scenarios and practical applications of these advanced cryptographic concepts.
Syllabus
Intro
Secure Two-party Computation
Motivating Scenario
Unbounded Reusable NISC
Limitations
Reusable Two-sided NISC
Intuition behind the Impossibility Result
Overcoming the Impossibility Result
Conclusion
Secure Multi-Party Computation (MPC)
Super-Polynomial Simulation (SPS)
Multi-Party Reusable Non-Interactive Secure Computation (MrNISC)
Upgrading Security: Our Setting
Witness Encryption
How to Use the New ZK
Other Challenges
Motivation
Taught by
TheIACR