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IEICE TRANSACTIONS on Fundamentals

Further Results on Autocorrelation of Vectorial Boolean Functions

Zeyao LI, Niu JIANG, Zepeng ZHUO

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Summary :

In this paper, we study the properties of the sum-of-squares indicator of vectorial Boolean functions. Firstly, we give the upper bound of $sum_{uin mathbb{F}_2^n,vin mathbb{F}_2^m}mathcal{W}_F^3(u,v)$. Secondly, based on the Walsh-Hadamard transform, we give a secondary construction of vectorial bent functions. Further, three kinds of sum-of-squares indicators of vectorial Boolean functions are defined by autocorrelation function and the lower and upper bounds of the sum-of-squares indicators are derived. Finally, we study the sum-of-squares indicators with respect to several equivalence relations, and get the sum-of-squares indicator which have the best cryptographic properties.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E106-A No.10 pp.1305-1310
Publication Date
2023/10/01
Publicized
2023/03/27
Online ISSN
1745-1337
DOI
10.1587/transfun.2022EAP1096
Type of Manuscript
PAPER
Category
Cryptography and Information Security

Authors

Zeyao LI
  Huaibei Normal University
Niu JIANG
  Huaibei Normal University
Zepeng ZHUO
  Huaibei Normal University

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