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Sensors 2014, 14(12), 22619-22642; doi:10.3390/s141222619

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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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)
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Abstract

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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

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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