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    Blockchain Support for Flexible Queries with Granular Access Control to Electronic Medical Records (EMR) 
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    • Blockchain Support for Flexible Queries with Granular Access Control to Electronic Medical Records (EMR)
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    Blockchain Support for Flexible Queries with Granular Access Control to Electronic Medical Records (EMR)

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    Accepted Version (375.7Kb)
    Volume
    2018-May
    Publisher
    IEEE
    ISBN-13
    9781538631805
    DOI
    10.1109/ICC.2018.8422883
    ISSN
    1550-3607
    Metadata
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    Abstract
    In this paper, we propose an architecture for Blockchain-based Electronic Medical Records (EMRs) called GAA-FQ (Granular Access Authorisation supporting Flexible Queries) that comprises an access model and an access authorisation scheme. Unlike existing Blockchain schemes, our access model can authorise different levels of granularity of authorisation, whilst maintaining compatibility with the underlying Blockchain data structure. Furthermore, the authorisation, encryption, and decryption algorithms proposed in the GAA-FQ scheme dispense with the need to use a public key infrastructure (PKI) and hence improve the computation performance needed to support more granular and distributed, yet authorised, EMR data queries. We validated the computation performance and transmission efficiency for GAA-FQ using a simulation of GAA-FQ against an access control scheme for EMRs called ESPAC as our baseline that was not designed using a Blockchain. To the best of our knowledge, GAA- FQ is the first Blockchain-oriented access authorisation scheme with granular access control, supporting flexible data queries, that has been proposed for secure EMR information management.
    Authors
    Zhang, X; Poslad, S
    URI
    https://qmro.qmul.ac.uk/xmlui/handle/123456789/55544
    Collections
    • Electronic Engineering and Computer Science [2318]
    Copyright statements
    © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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