Securing communications between external users and wireless body area networks

Authors:
Chunqiang Hu;Fan Zhang;Xiuzhen Cheng;Xiaofeng Liao;Dechang Chen
Affiliations:
The George Washington University, Washington, USA;The George Washington University, Washington DC, USA;The George Washington University, Washington, USA;Chongqing University, Chongqing, China;Uniformed Services University of the Health Sciences, MD, USA
Venue:
Proceedings of the 2nd ACM workshop on Hot topics on wireless network security and privacy
Year:
2013

Citing 7
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Abstract

Wireless Body Area Networks (BANs) are expected to play a crucial role in patient-health monitoring in the near future. Establishing secure communications between BAN sensors and external users is key to addressing the prevalent security and privacy concerns. In this paper, we propose the primitive functions to implement a secret-sharing based Ciphertext-Policy Attribute-Based Encryption (CP_ABE) scheme, which encrypts the data based on an access structure specified by the data source. We also design two protocols to securely retrieve the sensitive patient data from a BAN and instruct the sensors in a BAN. Our analysis indicates that the proposed scheme is feasible, can provide message authenticity, and can counter possible major attacks such as collusion attacks and battery-draining attacks.