Istituto di Informatica e Telematica     
De Francesco N., Petrocchi M. Introducing Authenticated Information in a Reliable Multicast Protocol for Mobile Computing. Technical report, 2002.
We consider a known protocol for reliable multicast in distributed mobile systems where mobile hosts belonging to a group communicate with a wired infrastructure by means of wireless technology. The original specification of the protocol does not take into consideration any notion of computer security. In this paper it is shown how an adversary may eavesdrop on communications between legitimate members and inject packets over the wireless links, pretending to be a legitimate member belonging to the group. We suggest a revised version of the protocol providing authenticity and integrity of packets over the wireless links.
Subject Wireless communication
Authentication of origin
Cryptographic protocols
Distributed systems security
D.4.6 Security and Protection

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