Blockchain for secure EHRs sharing of mobile cloud based e-Health systems

Nguyen, Dinh C, Pathirana, Pubudu N, Ding, Ming and Seneviratne, Aruna 2019, Blockchain for secure EHRs sharing of mobile cloud based e-Health systems, IEEE access, vol. 7, pp. 66792-66806, doi: 10.1109/ACCESS.2019.2917555.

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Title Blockchain for secure EHRs sharing of mobile cloud based e-Health systems
Author(s) Nguyen, Dinh C
Pathirana, Pubudu NORCID iD for Pathirana, Pubudu N
Ding, Ming
Seneviratne, Aruna
Journal name IEEE access
Volume number 7
Start page 66792
End page 66806
Total pages 15
Publisher Institute of Electrical and Electronics Engineers
Place of publication Piscataway, N.J.
Publication date 2019
ISSN 2169-3536
Keyword(s) Electronic health records (EHRs)
EHRs sharing
mobile cloud computing (MCC)
Internet of Medical Things (IoMT)
smart contracts
access control
Summary Recent years have witnessed a paradigm shift in the storage of Electronic Health Records (EHRs) on mobile cloud environments, where mobile devices are integrated with cloud computing to facilitate medical data exchanges among patients and healthcare providers. This advanced model enables healthcare services with low operational cost, high flexibility, and EHRs availability. However, this new paradigm also raises concerns about data privacy and network security for e-health systems. How to reliably share EHRs among mobile users while guaranteeing high-security levels in the mobile cloud is a challenging issue. In this paper, we propose a novel EHRs sharing framework that combines blockchain and the decentralized interplanetary file system (IPFS) on a mobile cloud platform. Particularly, we design a trustworthy access control mechanism using smart contracts to achieve secure EHRs sharing among different patients and medical providers. We present a prototype implementation using Ethereum blockchain in a real data sharing scenario on a mobile app with Amazon cloud computing. The empirical results show that our proposal provides an effective solution for reliable data exchanges on mobile clouds while preserving sensitive health information against potential threats. The system evaluation and security analysis also demonstrate the performance improvements in lightweight access control design, minimum network latency with high security and data privacy levels, compared to the existing data sharing models.
Language eng
DOI 10.1109/ACCESS.2019.2917555
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2019, IEEE
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