Signature Schemes -- Group Signature without Random Oracles from Randomizable Signatures -- Constant-size Lattice-Based Group Signature with Forward Security in the Standard Model -- A Lattice-based Provably Secure Multisignature Scheme in Quantum Random Oracle Model -- Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers -- Short Lattice Signatures in the Standard Model with Efficient Tag Generation -- One-Time Delegation of Unlinkable Signing Rights and Its Application -- Watermarkable Signature with Computational Function Preserving -- Privacy-Preserving Authentication for Tree-Structured Data with Designated Verification in Outsourced Environments -- Encryption Schemes and NIZKs -- Semi-Adaptively Secure Offine Witness Encryption from Puncturable Witness PRF.-Improved Indistinguishability for Searchable Symmetric Encryption -- Receiver Selective Opening CCA Secure Public Key Encryption from Various Assumptions -- A Practical NIZK Argument for Confidential Transactions over Account-model Blockchain -- Secure Machine Learning and Multiparty Computation -- Secure Cumulative Reward Maximization in Linear Stochastic Bandits -- Secure Transfer Learning for Machine Fault Diagnosis under Different Operating Conditions -- Private Decision Tree Evaluation with Constant Rounds via (Only) SS-3PC over Ring -- Dispelling Myths on Superposition Attacks: Formal Security Model and Attack Analyses -- Secret Sharing Schemes -- Fair and Sound Secret Sharing from Homomorphic Time-Lock Puzzles -- Optimal Threshold Changeable Secret Sharing with New Threshold Change Range -- Security Analyses -- Key Recovery under Plaintext Checking Attack on LAC -- Security of Two NIST Candidates in the Presence of Randomness Reuse.