E2EE enhanced patient-centric blockchain-based system for EHR management
To secure sensitive medical records in the healthcare clouds, this paper proposes an Endto- End Encryption (E2EE) to enhance a patient-centric blockchain-based system for electronic health record (EHR) management. The suggested system with a focus on the patient enables individuals to oversee the...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Public Library of Science
2024
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/111742/1/111742_E2EE%20enhanced%20patient-centric.pdf http://irep.iium.edu.my/111742/2/111742_E2EE%20enhanced%20patient-centric_SCOPUS.pdf http://irep.iium.edu.my/111742/ https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0301371 |
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| Summary: | To secure sensitive medical records in the healthcare clouds, this paper proposes an Endto-
End Encryption (E2EE) to enhance a patient-centric blockchain-based system for electronic
health record (EHR) management. The suggested system with a focus on the patient
enables individuals to oversee their medical records within various involved parties by
authorizing or withdrawing permission for access to their records. Utilizing the inter-planetary
file system (IPFS) for record storage is chosen due to its decentralized nature and its
ability to guarantee the unchangeability of records. Then an E2EE enhancement maintains
the medical data integrity using dual level-Hybrid encryption: symmetric Advanced Encryption
Standard (AES) and asymmetric Elliptic Curve Cryptography (ECC) cryptographic techniques.
The proposed system is implemented using the Ethereum blockchain system for
EHR data sharing and integration utilizing a web-based interface for the patient and all
users to initiate the EHR sharing transactions over the IPFS cloud. The proposed system
performance is evaluated in a working system prototype. For different file sizes between
512 KB to 100 MB, the performance metrics used to evaluate the proposed system were the
time consumed for generating key, encryption, and decryption. The results demonstrate the
proposed system’s superiority over other cutting-edge systems and its practical ability to
share secure health data in cloud environments. |
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