Cryptology ePrint Archive: Report 2011/076
A Unified Approach to Combinatorial Key Predistribution Schemes for Sensor Networks
Maura B. Paterson and Douglas R. Stinson
Abstract: There have been numerous recent proposals for key predistribution schemes for wireless sensor networks based on various types of combinatorial structures such as designs and codes. Many of these schemes have very similar properties and are analysed in a similar manner. We seek to provide a unified framework to study these kinds of schemes. We derive general formulas for the metrics of the resulting key predistribution schemes that can be
evaluated for a particular scheme simply by substituting appropriate parameters of the underlying combinatorial structure. We also compare various classes of schemes based on different designs, and point out that some existing proposed schemes are in fact identical, even though their descriptions may seem different.
Category / Keywords: cryptographic protocols / key distribution protocols
Date: received 14 Feb 2011, last revised 9 Jan 2012
Contact author: dstinson at uwaterloo ca
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Note: A few small changes to the presentation have been made.
Version: 20120109:150800 (All versions of this report)
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