On combining information-theoretic and cryptographic approaches to network coding security against the pollution attack

Authors:
Svitlana Vyetrenko;Aditya Khosla;Tracey Ho
Affiliations:
California Institute of Technology, Pasadena, CA;Stanford University, Stanford, CA;California Institute of Technology, Pasadena, CA
Venue:
Asilomar'09 Proceedings of the 43rd Asilomar conference on Signals, systems and computers
Year:
2009

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Abstract

In this paper we consider the pollution attack in network coded systems where network nodes are computationally limited.We consider the combined use of cryptographic signature based security and information theoretic network error correction and propose a fountain-like network error correction code construction suitable for this purpose.