Advances in Cryptology - CRYPTO 2020

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Conference on Cryptologic Research, CRYPTO 2020, which was held during August 1721, 2020. Crypto has traditionally been held at UC...

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Beschreibung

Conference on Cryptologic Research, CRYPTO 2020, which was held during August 1721, 2020. Crypto has traditionally been held at UCSB every year, but due to the COVID-19 pandemic it will be an online event in 2020. The 85 papers presented in the proceedings were carefully reviewed and selected from a total of 371 submissions. They were organized in topical sections as follows: Part I: Security Models; Symmetric and Real World Cryptography; Hardware Security and Leakage Resilience; Outsourced encryption; Constructions.
Part II: Public Key Cryptanalysis; Lattice Algorithms and Cryptanalysis; Lattice-based and Post Quantum Cryptography; Multi-Party Computation. Part III: Multi-Party Computation; Secret Sharing; Cryptanalysis; Delay functions; Zero Knowledge.
Inhalt
Public Key Cryptanalysis- A Polynomial-Time Algorithm for Solving the Hidden Subset Sum Problem.- Asymptotic complexities of discrete logarithm algorithms in pairing-relevant finite fields.- Comparing the difficulty of factorization and discrete logarithm: a 240-digit experiment.- Breaking the decisional Diffie-Hellman problem for class group actions using genus theory.- A Classification of Computational Assumptions in the Algebraic Group Model.- Lattice Algorithms and Cryptanalysis.- Fast reduction of algebraic lattices over cyclotomic fields.- Faster Enumeration-based Lattice Reduction: Root Hermite Factor k^(1/(2k)) in Time k^(k/8 + o(k)).- Lattice Reduction for Modules, or How to Reduce ModuleSVP to ModuleSVP.- Random Self-reducibility of Ideal-SVP via Arakelov Random Walks.- Slide Reduction, RevisitedÄîFilling the Gaps in SVP Approximation.- Rounding in the Rings.- Lattice-based and post-quantum cryptography.- LWE with Side Information: Attacks and Concrete Security Estimation.- A key-recovery timing attack on post-quantum primitives using the Fujisaki-Okamoto transformation and its application on FrodoKEM.- Efficient Pseudorandom Correlation Generators from Ring-LPN.- Scalable Pseudorandom Quantum States.- A non-PCP Approach to Succinct Quantum-Safe Zero-Knowledge.- Practical Product Proofs for Lattice Commitments.-Lattice-Based Blind Signatures, Revisited.- Multi-Party Computation.- 12171 Round-optimal Black-box Commit-and-prove with Succinct Communication.- Efficient Constant-Round MPC with Identifiable Abort and Public Verifiability.- Black-box use of One-way Functions is Useless for Optimal Fair Coin-Tossing.- Guaranteed Output Delivery Comes Free in Honest Majority MPC.- Black-Box Transformations from Passive to Covert Security with Public Verifiability.- MPC with Friends and Foes.- Always Have a Backup Plan: Fully Secure Synchronous MPC with Asynchronous Fallback.- Reverse Firewalls for Actively Secure MPCs.- Stacked Garbling: Garbled Circuit Proportional to Longest Execution Path.- Better Concrete Security for Half-Gates Garbling (in the Multi-Instance Setting).- Improved Primitives for MPC over Mixed Arithmetic-Binary Circuits.