A Secure Cross-Layer Protocol for Multi-hop Wireless Body Area Networks
ADHOC-NOW '08 Proceedings of the 7th international conference on Ad-hoc, Mobile and Wireless Networks
Attacks on a distance bounding protocol
Computer Communications
A framework for analyzing RFID distance bounding protocols
Journal of Computer Security - 2010 Workshop on RFID Security (RFIDSec'10 Asia)
A novel RFID distance bounding protocol based on physically unclonable functions
RFIDSec'11 Proceedings of the 7th international conference on RFID Security and Privacy
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Key establishment is one of the major challenges in Wireless Personal Area Networks, as traditional security mechanisms often do not cope with the dynamic characteristics of wireless ad-hoc networks. In this paper, we present an efficient key establishment protocol, based on the basic Diffie-Hellman protocol. It enables mutual device authentication through presence and establishes a session key between personal mobile devices which do not yet share any authenticated cryptographic material. Distance bounding protocols, which have been introduced by Brands and Chaum at Eurocrypt'93 to preclude distance fraud and mafia fraud attacks, are employed to determine an upper-bound on the distance to another entity. Our solution only requires limited user-interaction: the user of a mobile device is expected to perform a visual verification within a small physical space.