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Published on: May 2, 2018
PSKA: usable and secure key agreement scheme for body area networks.
Krishna K Venkatasubramanian1, Ayan Banerjee, Sandeep Kumar S Gupta
1IMPACT Laboratory, Arizona StateUniversity, Tempe, AZ 85287, USA. vkris@cis.upenn.edu
Summary
This study introduces Physiological-Signal-Based Key Agreement (PSKA) for secure Body Area Networks (BANs). PSKA enables plug-and-play secure communication between health monitoring sensors using physiological signals.
Area of Science:
- Biomedical Engineering
- Wireless Sensor Networks
- Cybersecurity
Background:
- Body Area Networks (BANs) are crucial for personalized healthcare delivery.
- Securing data exchange between sensors in BANs is vital for patient privacy and healthcare safety.
- Existing key agreement protocols may lack usability and require pre-configuration.
Purpose of the Study:
- To present a novel, usable key agreement scheme for Body Area Networks (BANs).
- To enable secure and authenticated intersensor communication without pre-configuration.
- To enhance the security and privacy of health monitoring in BANs.
Main Methods:
- Development of Physiological-Signal-Based Key Agreement (PSKA).
- Utilizing physiological signals from the subject for key generation.
- Authenticated agreement of symmetric cryptographic keys between neighboring BAN nodes.
Main Results:
- PSKA allows for secure, authenticated key agreement in a plug-and-play manner.
- The scheme eliminates the need for sensor initialization or predeployment.
- Prototyping and analysis confirm PSKA's viability compared to Diffie-Hellman.
Conclusions:
- Physiological-Signal-Based Key Agreement (PSKA) offers a secure and usable solution for intersensor communication in BANs.
- PSKA enhances data privacy and healthcare delivery safety.
- The proposed scheme is a viable alternative for securing wireless health monitoring networks.