Non-Interactive Secure Multi-Party Computation - Eurocrypt 2023 Session

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.

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