Three Types of Perfection in Shannon-Theoretic Cryptography

Andrea Sgarro
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Andrea Sgarro: University of Udine, Department of Mathematics and Computer Science

A chapter in Sequences, 1990, pp 420-425 from Springer

Abstract: Abstract Three types of perfection in theoretical cryptography are examined. First, we briefly pay tribute to perfection as defined by Shannon; second, we define perfection (semi-perfection, rather) in the semiequivocation model put forward by this author; third, the notion of perfection as defined by Simmons in authentication theory is described. A short proof for a basic theorem due to Simmons is provided.

Keywords: Authentication Scheme; Secret Message; Informational Divergence; Bell System Technical Journal; Authentication Theory (search for similar items in EconPapers)
Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4612-3352-7_33

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DOI: 10.1007/978-1-4612-3352-7_33

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