A Blockchain-Based Fine-Grained Access Data Control Scheme With Attribute Change Function

Deep learning-based semantic search (DLSS) aims to bridge the gap between experts and non-experts in search. Experts can create precise queries due to their prior knowledge, while non-experts struggle with specific terms and concepts, making their queries less precise. Cloud infrastructure offers a practical and scalable platform for data owners to upload their data, making it accessible to intended data users. However, the contemporary single-owner/single-user (S/S) approach to DLSS schemes falls short of effectively leveraging the inherent multi-user capabilities of cloud infrastructure. Furthermore, most of these schemes delegate the dissemination of secret keys to a single trust point within the mutual distrust scenario in cloud infrastructure. This paper proposes a Secure Semantic Search using Deep Learning in a Blockchain-Assisted Multi-User Setting $$(S^3DBMS)$$ ( S 3 D B M S ) . Specifically, the seamless integration of attribute-based encryption with transfer learning allows the construction of DLSS in multi-owner/multi-user (M/M) settings. Further, blockchain’s smart contract mechanism allows a multi-attribute authority consensus-based generation of user private keys and system-wide global parameters in a mutual distrust M/M scenario. Finally, our scheme achieves privacy requirements and offers improved security and accuracy.

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BRAIN: Blockchain-Based Record and Interoperability Network

López-Sorribes,

Rius-Torrentó,

Solsona-Tehàs

2023

Electronics

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In today’s highly competitive landscape, effective information sharing is crucial for distinguishing successful entities from the rest. However, achieving seamless collaboration in this digital era remains challenging due to distrust among entities and the absence of a secure data exchange medium. These limitations hinder interactions, reducing competitiveness, especially for resource-constrained entities. To address these challenges, we introduce the Blockchain-based Record and Interoperability Network (BRAIN), a modular framework utilizing blockchain technology. BRAIN offers an innovative solution to foster collaboration, trust, and competitiveness. By leveraging blockchain’s cryptographic techniques, it ensures secure and transparent data exchange, eliminating the need for intermediaries and thereby enhancing productivity and collaboration. BRAIN serves as a configurable foundation for domain-specific applications. BRAIN’s key features include flexibility, efficiency, security, robustness, and scalability. It adapts to diverse applications, integrates seamlessly with existing systems, and ensures secure information sharing. In conclusion, BRAIN provides a foundational platform for entities to assert data ownership and grant access permission. Built on blockchain technology, it offers access traceability and data security and eliminates the need for trusted third parties. Its flexibility and scalability make it a valuable tool for enhancing data sharing. Future enhancements aim to address weaknesses and expand its use cases, promising a robust and versatile solution for secure and efficient data exchange.

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A Blockchain-Based Fine-Grained Access Data Control Scheme With Attribute Change Function

Cited by 3 publications

References 25 publications

A Secure Blockchain-Assisted Access Control Scheme for Smart Healthcare System in Fog Computing

A Secure Blockchain-Assisted Access Control Scheme for Smart Healthcare System in Fog Computing

Secure semantic search using deep learning in a blockchain-assisted multi-user setting

BRAIN: Blockchain-Based Record and Interoperability Network

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