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International Journal of Advanced Computer Science and Applications(IJACSA), Volume 13 Issue 3, 2022.
Abstract: In recent years, cloud-based medical record sharing has greatly improved the process of researching the disease and patient diagnosis. However, since cloud systems are centralized, there is serious concern about data security and privacy. Blockchain technology is viewed as a promising method of dealing with privacy issues and data security because of its exclusive features of distributed ledgers, secrecy, verifiability, and enhanced security. The literature review has shown significant works on integrating blockchain technology with cloud system for managing and sharing healthcare data. It has been analyzed that previous works are primarily dependent on the centralized data storage approach, which raises privacy concerns. The previous works also do not emphasize handling big medical data and lack the reliability of the end-to-end security features system. This paper has presented an authorization framework for ensuring data security and privacy preservation using blockchain technology with IPFS as decentralized file storage and sharing system. The proposed study devises a proof of replication algorithm using smart contracts to provide a better access control mechanism. The implementation of the proposed framework is based on the symmetric encryption and Ethereum blockchain platform. The study outcome illustrates the efficiency and availability of the proposed scheme compared to the typical cloud-based blockchain method.
Hemanth Kumar N P and Prabhudeva S, “An Authorization Framework for Preserving Privacy of Big Medical Data via Blockchain in Cloud Server” International Journal of Advanced Computer Science and Applications(IJACSA), 13(3), 2022. http://dx.doi.org/10.14569/IJACSA.2022.0130319
@article{P2022,
title = {An Authorization Framework for Preserving Privacy of Big Medical Data via Blockchain in Cloud Server},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2022.0130319},
url = {http://dx.doi.org/10.14569/IJACSA.2022.0130319},
year = {2022},
publisher = {The Science and Information Organization},
volume = {13},
number = {3},
author = {Hemanth Kumar N P and Prabhudeva S}
}
Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.