Description
TL;DR: A centralized e-healthcare access scheme that uses several authentication factors and a lightweight Schnorr-signature step to protect administrator actions.
About This Document
Mohammad Fareed and Ali A. Yassin propose a role-based access-control system for remote healthcare data. Users receive permissions according to their roles, while the administrator is authenticated through an asymmetric construction based on Schnorr digital signatures. The design also uses hash functions and symmetric operations, and the authors evaluate it through informal analysis, formal arguments, the Scyther tool, and comparisons of communication and computation cost.
Why Bitcoin People May Care
This is not a Bitcoin or blockchain paper. It is adjacent because Schnorr signatures, hashes, key handling, and authentication also matter in Bitcoin systems. The architecture is almost the opposite of Bitcoin's permissionless model: one administrator is the core trust point, and a compromise there threatens the system. The paper's healthcare claims belong to its 2022 design and evaluation, not current medical-security guidance.
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Document Details
- Title: Privacy-Preserving Multi-Factor Authentication for E-Healthcare
- Author / organization: Mohammad Fareed and Ali A. Yassin
- Year: 2022
- Language: English
- Document type: Security research paper
- Pages: 11
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