Body Area Network Security: Robust Key Establishment Using Human Body Channel

Provided by: USEnet Live!
Topic: Security
Format: PDF
In order for two sensors within a body area network to determine they are on the same body, e.g., for security purposes, extensive prior work considers the use of physiological values. The authors study the practicality of using body physiological values for securely exchanging messages for sharing keys. Due to its popularity in the literature, they use ElectroCardioGraphy (ECG) signals, and show that cardiac physiology is incompatible with such schemes, due to the sensitivity to a node's deployment location on the body and the outsiders' capability to remotely sense the physiological value.

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