Advances in Cryptology – CRYPTO 2020

Multi-Party Computation: Two-Sided Malicious Security for Private Intersection-Sum with Cardinality.- Private Set Intersection in the Internet Setting From Lightweight Oblivious PRF.- Multiparty Generation of an RSA Modulus.- Secret Sharing.- Non-Malleability against Polynomial Tampering.- Non-Malleable Secret Sharing against Bounded Joint-Tampering Attacks in the Plain Model.- Nearly Optimal Robust Secret Sharing against Rushing Adversaries.- Cryptanalysis.- Cryptanalytic Extraction of Neural Network Models.- Automatic Verification of Differential Characteristics: Application to Reduced Gimli.- The MALICIOUS Framework: Embedding Backdoors into Tweakable Block Ciphers.- Cryptanalysis of The Lifted Unbalanced Oil Vinegar Signature Scheme.- Out of Oddity -- New Cryptanalytic Techniques against Symmetric Primitives Optimized for Integrity Proof Systems.- Improved Differential-Linear Attacks with Applications to ARX Ciphers.- Cryptanalysis Results on Spook: BringingFull-round Shadow-512 to the Light.- Cryptanalysis of LEDAcrypt.- Alzette: a 64-bit ARX-box (feat. CRAX and TRAX).- Delay functions.- Order-Fairness for Byzantine Consensus.- Generically Speeding-Up Repeated Squaring is Equivalent to Factoring: Sharp Thresholds for All Generic-Ring Delay Functions.- Zero Knowledge.- Compressed Sigma-Protocol Theory and Practical Application to Plug & Play Secure Algorithmics.- A Tight Parallel Repetition Theorem for Partially Simulatable Interactive Arguments via Smooth KL-Divergence.- Interactive Proofs for Social Graphs.- The Measure-and-Reprogram Technique 2.0: Multi-Round Fiat-Shamir and More.- Fiat-Shamir for Repeated Squaring with Applications to PPAD-Hardness and VDFs.- PPAD-Hardness and Delegation with Unambiguous Proofs.- New Techniques for Zero-Knowledge: Leveraging Inefficient Provers to Reduce Assumptions, Interaction, and Trust.- Spartan: Efficient and general-purpose zkSNARKs.- NIZK from LPN and Trapdoor Hash via Correlation Intractability for Approximable Relations.- Shorter Non-Interactive Zero-Knowledge Arguments and ZAPs for Algebraic Languages.- Non-Interactive Zero-Knowledge Arguments for QMA, with preprocessing.