Theory of Cryptography

Succinct Arguments in the Quantum Random Oracle Model.- Delegating Quantum Computation in the Quantum Random Oracle Model.- Tighter proofs of CCA security in the quantum random oracle model.- Attribute Based Encryption for Deterministic Finite Automata from DLIN.- CPA-to-CCA Transformation for KDM Security.- New Approaches to Traitor Tracing with Embedded Identities.- A Unified and Composable Take on Ratcheting.- Continuously Non-Malleable Secret Sharing for General Access Structures.- Interactive Non-Malleable Codes.- Stronger Lower Bounds for Online ORAM.- Adaptively Secure Garbling Schemes for Parallel Computations.- Statistical Difference Beyond the Polarizing Regime.- Estimating Gaps in Martingales and Applications to Coin-Tossing: Constructions & Hardness.- Fully Homomorphic NIZK and NIWI Proofs.- Lower and Upper Bounds on the Randomness Complexity of Private Computations of AND.- Leveraging Linear Decryption: Rate-1 Fully-Homomorphic Encryption and Time-Lock Puzzles.- Compressible FHE with Applications to PIR.- Permuted Puzzles and Cryptographic Hardness.- Linear-Size Constant-Query IOPs for Delegating Computation.- On the (In)security of Kilian-Based SNARGs.- Incrementally Verifiable Computation via Incremental PCPs.