Authors: Mihaljević, Miodrag J. 
Affiliations: Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: An improved key stream generator based on the programmable cellular automata
Journal: Lecture Notes in Computer Science
Volume: 1334
First page: 181
Last page: 191
Issue Date: 1997
Rank: M23
ISSN: 0302-9743
DOI: 10.1007/BFb0028474
An improved programmable cellular automata (PCA) based key stream generator is proposed which originates from a recently proposed scheme for key stream generators based on the PCA and a read only memory. Cryptographic security examination of the proposed key stream generator is realized through the following two steps. As the first, an equivalent model of the generator is given, and it is shown that the generator is resistant on the known attacks. Than, a novel method for the cryptanalysis, is developed, and it is shown that the generator is not vulnerable on this approach assuming that PCA length is sufficiently large.
Keywords: stream ciphers | cellular automata | key stream generators | cryptanalysis
Publisher: Springer Link
Project: Science Fund, Grant. No. 04M02

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