Overview
Syllabus
Intro
Statistical Security in 2-party Protocols
Interactive Proof System
Witness Indistinguishability (WI)
Zaps: 2-round Public-Coin WI (ONDO)
Oblivious Transfer (OT)
Natural Question
Starting Idea
Idea for Security
Hiding & Extractability in Plain Model • Use a 2-round statistical sender private oblivious transfer
Weakly Secure' Statistical Zaps
Amplify the Security
Statistical Receiver-Private OT
Main Tool: Statistical Hash Commitments (SHC)
Statistical Hiding Property
Computational Binding
3-round Statistical Receiver - Private OT from SHC
Statistical Hash Commitment from 2-round OT
Summary of Results
Taught by
TheIACR