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Direct construction of quasi-involutory recursive-like MDS matrices from 2-cyclic codes
2017
IACR Transactions on Symmetric Cryptology
A good linear diffusion layer is a prerequisite in the design of block ciphers. Usually it is obtained by combining matrices with optimal diffusion property over the Sbox alphabet. These matrices are constructed either directly using some algebraic properties or by enumerating a search space, testing the optimal diffusion property for every element. For implementation purposes, two types of structures are considered: Structures where all the rows derive from the first row and recursive
doi:10.46586/tosc.v2016.i2.80-98
fatcat:le5xtesp5ja4lgt75bbsqxj6qy