Modular context-aware access control for medical sensor networks
Proceedings of the 15th ACM symposium on Access control models and technologies
Group device pairing based secure sensor association and key management for body area networks
INFOCOM'10 Proceedings of the 29th conference on Information communications
Sensor network security for pervasive e-health
Security and Communication Networks
KALwEN: a new practical and interoperable key management scheme for body sensor networks
Security and Communication Networks
Secure ad hoc trust initialization and key management in wireless body area networks
ACM Transactions on Sensor Networks (TOSN)
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Body Sensor Networks can be used to continuously monitor patients' health. However, secure association of sensors with the patient and key management for providing integrity and confidentiality to the sensor readings are essential. We propose a secure discovery protocol based on the synchronised LED blinking pattern, to enable healthcare workers to authorise the sensor-to-patient association. We also propose a novel key distribution and management scheme that uses keychains to establish group keys for body sensor networks and caters for group key update and re-keying to adapt to membership changes. These protocols have been implemented to demonstrate their feasibility and an initial performance evaluation is presented.