e-ISSN : 0975-3397
Print ISSN : 2229-5631
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ABSTRACT

Title : S-boxes generated using Affine Transformation giving Maximum Avalanche Effect
Authors : Chandrasekharappa T.G.S, Prema K.V., Kumara Shama
Keywords : Affine transformation, AES algorithm, Irreducible polynomial, Avalanche Criteria, S-box.
Issue Date : September 2011.
Abstract :
The Advanced Encryption Standard (AES) was published by National Institute of Standards and Technology (NIST) in November 2001, to replace DES (Data Encryption Standard) and Triple DES. The S-box (Substitution box) used in AES is designed to be resistant to known cryptanalytic attacks [1][2]. The property of the S-box is that the output cannot be described as a simple mathematical function of the input. The S-box is designed to provide good avalanche effect. The Avalanche Criteria of S-box depends on the generator matrix A used in affine transformation to construct the S-box. This paper investigates the construction of Sboxes by affine transformation which satisfy maximum Avalanche Criteria.
Page(s) : 3185-3193
ISSN : 0975–3397
Source : Vol. 3, Issue.09

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