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Decentralized Electronic Health Record Management with Semantic-Aware Hierarchical Encryption

Year: 2025

Type: article

Abstract: The rising incidence of cyberattacks targeting electronic health records (EHR) in Indonesia necessitates a robust and context-aware data protection scheme. This paper proposes a decentralised EHR management system that leverages blockchain, IPFS, and a novel Semantic-Aware Hierarchical Encryption (SAHE) algorithm. SAHE enables multi-level access control based on data sensitivity semantics, ensuring privacy while maintaining usability for medical professionals. The system was implemented in a prototype environment and evaluated through stress testing with up to 200 users, achieving an average CPU usage of 55% and a memory consumption of 80.2 MB. Differential cryptanalysis demonstrated a strong avalanche effect (~50%), with no vulnerabilities found via OWASP ZAP scanning. This architecture offers a promising solution for privacy-preserving, patient-controlled EHR systems, particularly in regions with limited infrastructure.

Source: International Journal of Advances in Data and Information Systems

DOI: 10.59395/ijadis.v6i2.1413

Authors: Firdaus Putra Kurniyanto, Bagus Jati Santoso

Institution: Institut Teknologi Sepuluh Nopember

Language: English

Topic: Blockchain Technology Applications and Security

Subfield: Information Systems

Field: Computer Science

Domain: Physical Sciences

SDG: Good health and well-being

Open Access status: diamond

OpenAlex ID: W4413937662

FWCI: 1.075

Cites: 44

Cited by: 1

Related to: 10