Thwarting Timing Attacks Using ATM Networks

Authors:
Geraint Price
Affiliations:
-
Venue:
Revised Papers from the 9th International Workshop on Security Protocols
Year:
2001

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Abstract

In this paper, we describe a method of using Asynchronous Transfer Mode (ATM) network technology to defeat attacks that rely on the opponent's ability disrupt the timely delivery of messages within a cryptographic protocol. Our method centres on ATM technology's ability to provide guarantees associated with the bandwidth and delay characteristics over a given connection. We manipulate these mechanisms to provide timing guarantees on a cryptographic protocol message, which can be used to monitor for foul play in the message delivery process. We also describe how this can be used to detect a denial of service attack.