Design of Secure Protocol for Cloud-Assisted Electronic Health Record System Using Blockchain

In the traditional electronic health record (EHR) management system, each medical service center manages their own health records, respectively, which are difficult to share on the different medical platforms. Recently, blockchain technology is one of the popular alternatives to enable medical servi...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Vol. 20; no. 10; p. 2913
Main Authors: Kim, MyeongHyun, Yu, SungJin, Lee, JoonYoung, Park, YoHan, Park, YoungHo
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 21.05.2020
MDPI
Subjects:
Access control
AVISPA simulation
BAN logic
Blockchain
cloud
Cloud Computing
Computer Security
Computer Systems
Confidentiality
Data integrity
Decentralization
Efficiency
electronic health record
Electronic Health Records
Humans
Information sharing
Patients
Personal health
security protocol
Technology
cloud
security protocol
BAN logic
blockchain
electronic health record
AVISPA simulation
ISSN:1424-8220, 1424-8220
Online Access:Get full text
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Summary:In the traditional electronic health record (EHR) management system, each medical service center manages their own health records, respectively, which are difficult to share on the different medical platforms. Recently, blockchain technology is one of the popular alternatives to enable medical service centers based on different platforms to share EHRs. However, it is hard to store whole EHR data in blockchain because of the size and the price of blockchain. To resolve this problem, cloud computing is considered as a promising solution. Cloud computing offers advantageous properties such as storage availability and scalability. Unfortunately, the EHR system with cloud computing can be vulnerable to various attacks because the sensitive data is sent over a public channel. We propose the secure protocol for cloud-assisted EHR system using blockchain. In the proposed scheme, blockchain technology is used to provide data integrity and access control using log transactions and the cloud server stores and manages the patient’s EHRs to provide secure storage resources. We use an elliptic curve cryptosystems (ECC) to provide secure health data sharing with cloud computing. We demonstrate that the proposed EHR system can prevent various attacks by using informal security analysis and automated validation of internet security protocols and applications (AVISPA) simulation. Furthermore, we prove that the proposed EHR system provides secure mutual authentication using BAN logic analysis. We then compare the computation overhead, communication overhead, and security properties with existing schemes. Consequently, the proposed EHR system is suitable for the practical healthcare system considering security and efficiency.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s20102913