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Key Agreement in Peer-to-Peer Wireless Networks

Čagalj, Mario; Čapkun Srđan; Hubaux, Jean-Pierre
Key Agreement in Peer-to-Peer Wireless Networks // Proceedings of the IEEE, 94 (2006), 2; 467-478 (međunarodna recenzija, članak, znanstveni)

Key Agreement in Peer-to-Peer Wireless Networks

Čagalj, Mario ; Čapkun Srđan ; Hubaux, Jean-Pierre

Proceedings of the IEEE (0018-9219) 94 (2006), 2; 467-478

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Diffie--Hellman key agreement; wireless security

We present a set of simple techniques for key establishment over a radio link in peer-to-peer networks. Our approach is based on the Diffie-Hellman key agreement protocol, which is known to be vulnerable to the MITM attack if the two users involved in the protocol do not share any authenticated information about each other (e.g., public keys, certificates, passwords, shared keys, etc.) prior to the protocol execution. In this paper, we solve the problem by leveraging on the natural ability of users to authenticate each other by visual and verbal contact. We propose three techniques. The first is based on visual comparison of short strings, the second on distance bounding, and the third on integrity codes ; in each case, the users do not need to enter any password or other data, nor do they need physical or infrared connectivity between their devices. We base our analysis on a well-established methodology that leads us to a rigorous modularization and a thorough robustness proof of our proposal.

Izvorni jezik

Znanstvena područja
Elektrotehnika, Računarstvo


Fakultet elektrotehnike, strojarstva i brodogradnje, Split

Časopis indeksira:

  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus