Advances in Cryptology – ASIACRYPT 2020

Multi-Party Computation.- MOTIF: (Almost) Free Branching in GMW via Vector-Scalar Multiplication.- Maliciously Secure Matrix Multiplication with Applications to Private Deep Learning.- On the Exact Round Complexity of Best-of-both-Worlds Multi-party Computation.- MPC with Synchronous Security and Asynchronous Responsiveness.- Secure MPC: Laziness Leads to GOD.- Asymptotically Good Multiplicative LSSS over Galois Rings and Applications to MPC over Z=pk Z.- Towards E ciency-Preserving Round Compression in MPC: Do fewer rounds mean more computation.- Circuit Amortization Friendly Encodings and their Application to Statistically Secure Multiparty Computation.- Efficient Fully Secure Computation via Distributed Zero-Knowledge Proofs.- Efficient and Round-Optimal Oblivious Transfer and Commitment with Adaptive Security.- Secret Sharing.- ALBATROSS: publicly AttestabLe BATched Randomness based On Secret Sharing.- Secret-Shared Shu e.- Attribute-Based Encryption.- Adaptively Secure Inner Product Encryption from LWE.- Unbounded Dynamic Predicate Compositions in ABE from Standard Assumptions.- Succinct and Adaptively Secure ABE for Arithmetic Branching Programs from k-Lin.- Inner-Product Functional Encryption with Fine-Grained Access Control.- MoniPoly|An Expressive q-SDH-Based Anonymous Attribute-Based Credential System.- Updatable Encryption.- The Direction of Updatable Encryption does not Matter Much.- Improving Speed and Security in Updatable Encryption Schemes.- CCA Updatable Encryption Against Malicious Re-Encryption Attacks.- Determining the Core Primitive for Optimally Secure Ratcheting.- Zero Knowledge.- Cryptography from One-Way Communication: On Completeness of Finite Channels.- Succinct Functional Commitment for a Large Class of Arithmetic Circuits.- Crowd Veri able Zero-Knowledge and End-to-end Verifiable Multiparty Computation.- Non-Interactive Composition of Sigma-Protocols via Share-then-Hash.- Succinct Diophantine-Satisfiability Arguments.- Individual Simulations.- Blockchains and Contact Tracing.- KVaC: Key-Value Commitments for Blockchains and Beyond.- Catalic: Delegated PSI Cardinality with Applications to Contact Tracing.