9 papers
PriME-Deal: Privacy-Preserving Bilateral Data Trading with Efficient Matchmaking and Auditable Fair Exchange on Blockchain
Jie Zhang, Xiaohong Li, Shanshan Xu +3
Bilateral attribute-based access control for data trading must hide policies, provide cryptographic fairness, and avoid trusted third parties. Existing solutions either leak policy…
Privacy-Enhancing Encryption in Data Sharing: A Survey on Security, Performance and Functionality
Yongyang Lv, Xiaohong Li, Ruitao Feng +5
The vigorous development of the Internet has spurred exponential data growth, yet data is predominantly stored in isolated user entities, hampering its full value realization. In l…
MedExChain: Enabling Secure and Efffcient PHR Sharing Across Heterogeneous Blockchains
Yongyang Lv, Xiaohong Li, Kui Chen +3
With the proliferation of intelligent healthcare systems, patients' Personal Health Records (PHR) generated by the Internet of Medical Things (IoMT) in real-time play a vital role…
QAE-BAC: Achieving Quantifiable Anonymity and Efficiency in Blockchain-Based Access Control with Attribute
Jie Zhang, Xiaohong Li, Mengke Zhang +4
Blockchain-based Attribute-Based Access Control (BC-ABAC) offers a decentralized paradigm for secure data governance but faces two inherent challenges: the transparency of blockcha…
FidelityGPT: Correcting Decompilation Distortions with Retrieval Augmented Generation
Zhiping Zhou, Xiaohong Li, Ruitao Feng +5
Decompilation converts machine code into human-readable form, enabling analysis and debugging without source code. However, fidelity issues often degrade the readability and semant…
VeriFuzzy: A Dynamic Verifiable Fuzzy Search Service for Encrypted Cloud Data
Jie Zhang, Xiaohong Li, Man Zheng +4
Enabling search over encrypted cloud data is essential for privacy-preserving data outsourcing. While searchable encryption has evolved to support individual requirements like fuzz…