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Comment on “bounds on the number of functions satisfying the strict avalanche criterion”

✍ Scribed by A.M. Youssef; S.E. Tavares


Book ID
104137291
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
281 KB
Volume
60
Category
Article
ISSN
0020-0190

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✦ Synopsis


The Strict Avalanche Criterion (SAC) was introduced by Webster and Tavares (199.5) in a study of design criteria for certain cryptographic functions. gave an upper bound for the number of functions satisfying the SAC. Cusick (1996) gave a lower bound for the number of functions satisfying the SAC. He also gave a conjecture that provided an improvement of the lower bound. We give a constructive proof for this conjecture. Moreover, we provide an improved lower bound.


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