A Polynomial Description of the Rijndael Advanced Encryption Standard

TL;DR

This paper provides a polynomial-based mathematical description of the Rijndael AES, focusing on its structure and the S-Box, to enhance understanding and analysis of the encryption standard.

Contribution

It introduces a novel polynomial representation of Rijndael AES, offering new insights into its structure and S-Box design.

Findings

Polynomial description of Rijndael AES presented

Detailed analysis of the S-Box structure

Enhanced understanding of AES mathematical properties

Abstract

The paper gives a polynomial description of the Rijndael Advanced Encryption Standard recently adopted by the National Institute of Standards and Technology. Special attention is given to the structure of the S-Box.