Advances in Cryptology – ASIACRYPT 2020

Public Key Cryptography.- Incrementally Aggregatable Vector Commitments and Applications to Verifiable Decentralized Storage.- Non-Committing Encryption with Constant Ciphertext Expansion from Standard Assumptions.- Collusion Resistant Trace-and-Revoke for Arbitrary Identities from Standard Assumptions.- Subvert KEM to Break DEM: Practical Algorithm-Substitution Attacks on Public-Key Encryption.- Unbounded HIBE with Tight Security.- Multi-Client Oblivious RAM with Poly-Logarithmic Communication.- Privacy-Preserving Pattern Matching on Encrypted Data.- Efficient Homomorphic Comparison Methods with Optimal Complexity.- Lattice-Based Cryptography.- Practical Exact Proofs from Lattices: New Techniques to Exploit Fully-Splitting Rings.- Towards Classical Hardness of Module-LWE: The Linear Rank Case.- Lattice-Based E-Cash, Revisited.- Twisted-PHS: Using the Product Formula to Solve Approx-SVP in Ideal Lattices.- Simpler Statistically Sender Private Oblivious Transfer from Ideals of Cyclotomic Integers.- Isogeny-Based Cryptography.- Cryptographic Group Actions and Applications.- B-SIDH: supersingular isogeny Di e-Hellman using twisted torsion.- Calamari and Fala : Logarithmic (Linkable) Ring Signatures from Isogenies and Lattices.- Radical Isogenies.- Oblivious Pseudorandom Functions from Isogenies.- SiGamal: A supersingular isogeny-based PKE and its application to a PRF.- Quantum Algorithms.- Estimating quantum speedups for lattice sieves.- A Combinatorial Approach to Quantum Random Functions.- Improved Classical and Quantum Algorithms for Subset-Sum.- Security Limitations of Classical-Client Delegated Quantum Computing.- Quantum Circuit Implementations of AES with Fewer Qubits.- Quantum Collision Attacks on AES-like Hashing with Low Quantum Random Access Memories.- Authenticated Key Exchange.- Fuzzy Asymmetric Password-Authenticated Key Exchange.- Two-Pass Authenticated Key Exchange with Explicit Authentication and Tight Security.