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Lyon, France
June 29, 2006 to June 29, 2006
ISBN: 0-7695-2549-0
pp: 82-87
Bogdan Groza , Politehnica University of Timisoara, Romania
ABSTRACT
The objective of this paper is to propose a cryptographic protocol which provides authenticity in the exchange of information between two entities without using any shared secret and by using only oneway chains. Such a protocol may have many applications and may be of interest especially in constrained environments where computational power is limited since one-way chains may be constructed using some of the simplest cryptographic one-way functions. We propose and investigate two approaches based on one-way chains, which we call: delayed message authentication and direct message authentication. Both of them have some shortcomings and a final hybrid approach, which combines their advantages without inheriting their weaknesses, appears to be quite useful and effective.
INDEX TERMS
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CITATION
Bogdan Groza, "Using One-Way Chains to Provide Message Authentication without Shared Secrets", SECPERU, 2006, Security, Privacy and Trust in Pervasive and Ubiquitous Computing, International Workshop on, Security, Privacy and Trust in Pervasive and Ubiquitous Computing, International Workshop on 2006, pp. 82-87, doi:10.1109/SECPERU.2006.21
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