Information theoretic security based on bounded observability

Authors:
Jun Muramatsu;Kazuyuki Yoshimura;Peter Davis
Affiliations:
NTT Communication Science Laboratories, NTT Corporation, Kyoto, Japan;NTT Communication Science Laboratories, NTT Corporation, Kyoto, Japan;NTT Communication Science Laboratories, NTT Corporation, Kyoto, Japan
Venue:
ICITS'09 Proceedings of the 4th international conference on Information theoretic security
Year:
2009

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Abstract

Under the condition that all users can observe a common object, each using an observation function independently chosen from the same limited set of observation functions, we show necessary and sufficient conditions for users to be able to generate secret keys by public discussion.