Abstract
Bluetooth based Wireless body sensor network (WBSN) is currently under heavy development with the purpose of health monitoring. As PIN (Personal indentification number) cracking is one of the security issues in Bluetooth systems, we propose a novel scheme which utilizes biometric traits captured by each WBSN node to automatically generate PIN codes with random characteristic. Such PIN codes generated by different nodes may not be identical but should be similar enough for nodes in the same WBSN to recognize each other. A PIN negotiation protocol is also presented for seamless connection between the PIN generation scheme and other PIN related protocols in Bluetooth specifications. Feasibility studies are experimentally carried out on the biometric trait of Interpulse intervals (IPIs) of heartbeats. The statistical results show that time-variant IPIs can be an excellent trait to generate PIN code.
| Original language | English |
|---|---|
| Pages (from-to) | 563-567 |
| Journal | Chinese Journal of Electronics |
| Volume | 16 |
| Issue number | 3 |
| Publication status | Published - Jul 2007 |
| Externally published | Yes |
Research Keywords
- Biometric trait
- Bluetooth
- Body sensor network
- Personal identification number
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