bent function
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Symmetry ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 671
Author(s):  
Zijing Jiang ◽  
Qun Ding

An S-box is the most important part of a symmetric encryption algorithm. Various schemes are put forward by using chaos theory. In this paper, a construction method of S-boxes with good cryptographic properties is proposed. The output of an S-box can be regarded as a group of Boolean functions. Therefore, we can use the different properties of chaos and Bent functions to generate a random Bent function with a high nonlinearity. By constructing a set of Bent functions as the output of an S-box, we can create an S-box with good cryptological properties. The nonlinearity, differential uniformity, strict avalanche criterion and the independence criterion of output bits are then analyzed and tested. A security analysis shows that the proposed S-box has excellent cryptographic properties.



2021 ◽  
Vol 24 (2) ◽  
pp. 527-540
Author(s):  
Vadiraja G. R. Bhatta ◽  
Harikrishnan Panackal ◽  
Prasanna Poojary ◽  
Shashi Kant Pandey




Author(s):  
Yanjun LI ◽  
Haibin KAN ◽  
Jie PENG ◽  
Chik HOW TAN ◽  
Baixiang LIU
Keyword(s):  


Author(s):  
Alexandr A. Polujan ◽  
Alexander Pott
Keyword(s):  


2020 ◽  
Vol 10 (4) ◽  
pp. 571-578
Author(s):  
Li Zhang ◽  
◽  
Xiaofeng Zhou ◽  
Min Chen ◽  
◽  
...  
Keyword(s):  


2019 ◽  
Vol 23 (7) ◽  
pp. 1194-1197
Author(s):  
Min Kyu Song ◽  
Gangsan Kim ◽  
Hong-Yeop Song ◽  
Ki Won Song
Keyword(s):  


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