Construction Techniques For One-Way Chains And Their Use In Authentication
- Authors
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Bogdan Groza
"Politehnica" University of Timisoara, Automation and Applied Informatics Department
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- Abstract
- Authentication is one of the most important security objectives. The use of one-way chains in authentication was proved to be a very successful technique which encountered applications even in constrained environments such as ah-hoc sensor networks. This paper surveys some of the most efficient construction techniques for one-way chains and some of the most prominent authentication protocols that can be built on them. In brief, the construction techniques for one-way chains are categorized in two classes: one-way chains constructed from symmetric primitives and one-way chains constructed from asymmetric primitives. One-way chains were initially proposed for entity authentication; later their use will prove to be more successful in protocols for assuring information authenticity. We also categorize these protocols in two classes: protocols involving time synchronization and protocols involving an authentic confirmation.
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- Published
- 2006-03-30
- Issue
- Vol. 8 No. 1 (2006)
- Section
- Articles