Publication:
Secure publish-subscribe protocols for heterogeneous medical wireless body area networks

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2014-11-28
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MDPI
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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.
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Wireless body area networks (WBAN), Attribute-based encryption, EHealth security and privacy, Wearable sensors, Cryptography, Data privacy, Networks (circuits), Ciphertext policies, Healthcare domains, Prototype implementations, Network security
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Picazo-Sanchez, P., Tapiador, J.E., Peris-Lopez, P., Suarez-Tangil, G. (2014). Secure Publish-Subscribe Protocols for Heterogeneous Medical Wireless Body Area Networks. Sensors, 14 (12), pp. 22619-22642.