Cyberspace Safety and Security

Cryptography and its applications.- Publicly Verifiable Conjunctive Keyword Search with Balanced Verification Overhead.- Secure and Efficient Certificateless Authenticated Key Agreement Scheme for Smart Healthcare.- Digital Signature Scheme to Match Generalized Reed-Solomon Code over GF(q) .- A Collaborative Access Control Scheme based on Incentive Mechanism.- Quartet: A Logarithmic Size Linkable Ring Signature Scheme from DualRing.- Updatable Hybrid Encryption Scheme with No-directional Key Update for Cloud Storage.- Data security.- FDLedger: Dynamic and Efficient Anonymous Audit for Distributed Ledgers.- A Method of Traceless File Deletion for NTFS File System.- Efficient and Collusion Resistant Multi-Party Private Set Intersection Protocols for Large Participants and Small Sets Setting.- Attack and defense techniques.- High Quality Audio Adversarial Examples without Using Psychoacoustics.- Working Mechanism of Eternalblue and Its Application in Ransomworm.- Substitution Attacks against Sigma Protocols.- A Multi-stage APT Attack Detection Method based on Sample Enhancement.- VDHGT: A Source Code Vulnerability Detection Method Based on Heterogeneous Graph Transformer.- Network security and its applications.- Improvised Model for Blockchain in Distributed Cloud Environment.- Multi-hop Multi-key Homomorphic Encryption with Less Noise under CRS Model.- Design of Anti-machine Learning Malicious Node System based on Blockchain.