Title: Linear frameworks for block ciphers
Authors: Daemen, J ×
Knudsen, LR
Rijmen, Vincent #
Issue Date: 2001
Publisher: Springer Netherlands
Series Title: Designs, Codes and Cryptography vol:22 issue:1 pages:65-87
Abstract: In this paper we generalize the structure of the cipher:; Shark, Square. BKSQ, Crypton and Rijndael. We show that the linear components play an essential role in the effect of the nonlinear S-boxes in providing resistance against differential and linear cryptanalysis and provide upper bounds for the probability of differential characteristics and the correlation of linear approximations for the general structure. We show how good linear components can be constructed efficiently from Maximum-Distance Separable codes. The presented block cipher structure can make optimal use of a wide range of processor word lengths and its parallelism allows very fast dedicated hardware implementations. Ciphers with variable block length can be constructed by varying certain parameters in the presented structure.
ISSN: 0925-1022
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - STADIUS, Stadius Centre for Dynamical Systems, Signal Processing and Data Analytics
× corresponding author
# (joint) last author

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