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Open AccessArticle

Secure Publish-Subscribe Protocols for Heterogeneous Medical Wireless Body Area Networks

Department of Computer Science, Universidad Carlos III de Madrid, 28911 Leganes, Madrid, Spain
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Sensors 2014, 14(12), 22619-22642; https://doi.org/10.3390/s141222619
Received: 16 October 2014 / Revised: 30 October 2014 / Accepted: 19 November 2014 / Published: 28 November 2014
(This article belongs to the Special Issue Wireless Sensor Network for Pervasive Medical Care)
Security and privacy issues in medical wireless body area networks (WBANs) constitute a major unsolved concern because of the challenges posed by the scarcity of resources in WBAN devices and the usability restrictions imposed by the healthcare domain. In this paper, we describe a WBAN architecture based on the well-known publish-subscribe paradigm. We present two protocols for publishing data and sending commands to a sensor that guarantee confidentiality and fine-grained access control. Both protocols are based on a recently proposed ciphertext policy attribute-based encryption (CP-ABE) scheme that is lightweight enough to be embedded into wearable sensors. We show how sensors can implement lattice-based access control (LBAC) policies using this scheme, which are highly appropriate for the eHealth domain. We report experimental results with a prototype implementation demonstrating the suitability of our proposed solution. View Full-Text
Keywords: wireless body area networks (WBAN); attribute-based encryption; eHealth security and privacy; wearable sensors wireless body area networks (WBAN); attribute-based encryption; eHealth security and privacy; wearable sensors
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Picazo-Sanchez, P.; Tapiador, J.E.; Peris-Lopez, P.; Suarez-Tangil, G. Secure Publish-Subscribe Protocols for Heterogeneous Medical Wireless Body Area Networks. Sensors 2014, 14, 22619-22642.

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