Browsing by Author "Vanja, S.K."

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    Blockchain-based Data Security and Integrity Management Framework for Cyber-Physical Systems Using Hyperledger and Storj
    (Institute of Electrical and Electronics Engineers Inc., 2025) Vanja, S.K.; Janani, T.
    Modern Cyber-Physical Systems (CPS) generate large volumes of sensitive data, requiring secure management. Traditional centralized storage systems are vulnerable to breaches and unauthorized access, making them unsuitable for safeguarding CPS data. This paper presents a blockchain-based architecture integrating Hyperledger Fabric and Storj to enhance data security, integrity, and privacy. Hyperledger Fabric ensures data integrity and transparency through a tamper-proof distributed ledger, fine-grained a ccess c ontrol, a nd automated smart contract protocols. Storj provides decentralized storage, splitting encrypted data into segments across global nodes to eliminate single points of failure and improve redundancy. Experimental evaluation demonstrates a 20% improvement in data retrieval speed, 100% integrity accuracy, and 1,000 transactions per second with minimal CPU usage. Additionally, the integration of homomorphic encryption enables real-time computations on encrypted data while preserving privacy. The proposed framework addresses critical CPS challenges, delivering a scalable, secure, and resilient system for managing CPS data. © 2025 IEEE.