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Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme

Dissemination of health data in smart healthcare allows a patient's health information to be accessible across healthcare communities for the improvement of patients' care services. In our work, data collected from a patient's automated health device is distributed to the communities...

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Main Authors: Shari, Nur Fadhilah Mohd, Malip, Amizah
Format: Article
Published: Elsevier 2024
Subjects:
QA Mathematics
Online Access:http://eprints.um.edu.my/46883/
https://doi.org/10.1016/j.iot.2024.101256
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spelling my.um.eprints.468832025-01-16T02:06:59Z http://eprints.um.edu.my/46883/ Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme Shari, Nur Fadhilah Mohd Malip, Amizah QA Mathematics Dissemination of health data in smart healthcare allows a patient's health information to be accessible across healthcare communities for the improvement of patients' care services. In our work, data collected from a patient's automated health device is distributed to the communities through the blockchain network. Blockchain technology paves the way for the health sector to run in a decentralized system. To achieve a secure decentralized data dissemination, the transmitted health data must be reliable, that is, data is assured originated from a legitimate device without unlawful alteration. However, verification of such reliability may jeopardize a patient's privacy. In healthcare, privacy is of the utmost importance to protect sensitive health data. At the same time, should misbehavior arise, malicious entities should be held accountable. We satisfy these conflicting requirements of reliability, privacy and accountability with our proposed secure decentralized data dissemination scheme for smart healthcare that integrates a certificate-based signcryption with a proxy re-encryption (Sign-Proxy) scheme and an Improved Delegated Proof-of-Stake (DPoS) consensus protocol for the system construction. The Sign-Proxy provides users a desirable level of security while delivering lightweight computation for limited computing capabilities of automated health devices. In parallel, the Improved DPoS facilitates the streamlined and secure adoption of a consortium blockchain framework. The security and performance analysis indicate that the proposed scheme is resilience against adversarial attacks, achieves overall efficiency, and feasible for real-world deployment. Elsevier 2024-10 Article PeerReviewed Shari, Nur Fadhilah Mohd and Malip, Amizah (2024) Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme. Internet of Things, 27. p. 101256. ISSN 2543-1536, DOI https://doi.org/10.1016/j.iot.2024.101256 <https://doi.org/10.1016/j.iot.2024.101256>. https://doi.org/10.1016/j.iot.2024.101256 10.1016/j.iot.2024.101256
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QA Mathematics
spellingShingle QA Mathematics
Shari, Nur Fadhilah Mohd
Malip, Amizah
Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme
description Dissemination of health data in smart healthcare allows a patient's health information to be accessible across healthcare communities for the improvement of patients' care services. In our work, data collected from a patient's automated health device is distributed to the communities through the blockchain network. Blockchain technology paves the way for the health sector to run in a decentralized system. To achieve a secure decentralized data dissemination, the transmitted health data must be reliable, that is, data is assured originated from a legitimate device without unlawful alteration. However, verification of such reliability may jeopardize a patient's privacy. In healthcare, privacy is of the utmost importance to protect sensitive health data. At the same time, should misbehavior arise, malicious entities should be held accountable. We satisfy these conflicting requirements of reliability, privacy and accountability with our proposed secure decentralized data dissemination scheme for smart healthcare that integrates a certificate-based signcryption with a proxy re-encryption (Sign-Proxy) scheme and an Improved Delegated Proof-of-Stake (DPoS) consensus protocol for the system construction. The Sign-Proxy provides users a desirable level of security while delivering lightweight computation for limited computing capabilities of automated health devices. In parallel, the Improved DPoS facilitates the streamlined and secure adoption of a consortium blockchain framework. The security and performance analysis indicate that the proposed scheme is resilience against adversarial attacks, achieves overall efficiency, and feasible for real-world deployment.
format Article
author Shari, Nur Fadhilah Mohd
Malip, Amizah
author_facet Shari, Nur Fadhilah Mohd
Malip, Amizah
author_sort Shari, Nur Fadhilah Mohd
title Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme
title_short Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme
title_full Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme
title_fullStr Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme
title_full_unstemmed Enhancing privacy and security in smart healthcare: A blockchain-powered decentralized data dissemination scheme
title_sort enhancing privacy and security in smart healthcare: a blockchain-powered decentralized data dissemination scheme
publisher Elsevier
publishDate 2024
url http://eprints.um.edu.my/46883/
https://doi.org/10.1016/j.iot.2024.101256
_version_ 1825160603422949376
score 13.244413

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