A New Approach to Secure Logging

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Executive Summary

The need for secure logging is well-understood by the security professionals, including both re-searchers and practitioners. The ability to efficiently verify all (or some) log entries is important to any application employing secure logging techniques. In this paper, the authors begin by examining state-of-the-art in secure logging and identify some problems inherent to systems based on trusted third-party servers. They then propose a different approach to secure logging based upon recently developed Forward-Secure Sequential Aggregate (FssAgg) authentication techniques. The approach offers both space-efficiency and provable security.

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