Advances in Cryptology – ASIACRYPT 2021

Lunar: a Toolbox for More Efficient Universal and Updatable zkSNARKs and Commit-and-Prove Extensions.- Gentry-Wichs Is Tight: A Falsifiable Non-Adaptively Sound SNARG.- Proofs for Inner Pairing Products and Applications.- Snarky Ceremonies.- Efficient NIZKs for Algebraic Sets.- Bit Security as Computational Cost for Winning Games with High Probability.- Giving an Adversary Guarantees (Or: How to Model Designated Verifier Signatures in a Composable Framework).- How to Build a Trapdoor Function from an Encryption Scheme.- Beyond Software Watermarking: Traitor-Tracing for Pseudorandom Functions.- Batching Base Oblivious Transfers.- Algebraic Adversaries in the Universal Composability Framework.- Luby-Rackoff Backwards with More Users and More Security.- Double-Block-Length Hash Function for Minimum Memory Size.- Toward a Fully Secure Authenticated Encryption Scheme From a Pseudorandom Permutation.- Tight Security for Key-Alternating Ciphers with Correlated Sub-Keys.- FAST: Secure and HighPerformance Format-Preserving Encryption and Tokenization.- Fine-tuning the ISO/IEC Standard LightMAC.- Categorization of Faulty Nonce Misuse Resistant Message Authentication.- Balanced Non-Adjacent Forms.- Efficient Boolean Search over Encrypted Data with Reduced Leakage.- Revisiting Homomorphic Encryption Schemes for Finite Fields.- Transciphering Framework for Approximate Homomorphic Encryption.- Improved Programmable Bootstrapping with Larger Precision and Efficient Arithmetic Circuits for TFHE.