An overview of streamed data authentication techniques

Authors

B. J. Wysocki, University of Wollongong

RIS ID

13252

Publication Details

Wysocki, B. J. (2004). an Overview of Streamed Data Authentication Techniques. In T. A. Wysocki, A. Dadej & B. J. Wysocki (Eds.), Advanced Wired and Wireless Networks (pp. 187-206). New York, USA: Springer.

Abstract

In the chapter we present some of the techniques proposed for authenticating digital streams. We start with the so-called block signatures, where every packet contains full information needed for its authentication. Then, we describe two techniques based on a simple hash chain for an off-line authentication and its modification where one-time signatures are used for an on-line authentication. Later, we consider the TESLA scheme for authenticating streams in case of synchronous systems. This is followed by augmented hash chains with signature packets used once per a sequence of packets rather than for the whole stream. The chapter is concluded with a short comparison of the considered techniques.