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A Simple Linearisation of the Self-shrinking Generator

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Computer Aided Systems Theory – EUROCAST 2015 (EUROCAST 2015)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 9520))

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Abstract

Nowadays stream ciphers are the fastest among the encryption procedures, thus they are performed in many practical applications. Irregularly decimated generators are very simple sequence generators to be used as keystream generators in stream ciphers. In this paper, a linearisation method for the self-shrinking generator has been developed. The proposal defines linear structures based on cellular automata (rules 102 or 60) able to generate the self-shrunken sequence. The obtained cellular automata are simple, easy to be implemented and can be extended to other sequence generators in a range of cryptographic interest.

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Acknowledgments

The work of the first author was partially supported by Generalitat Valenciana (Spain) with reference APOSTD/2013/081 and by FAPESP with number of process 2015/07246-0. The work of the second author was supported by Ministerio de Ciencia e Innovación (Spain) under Project TIN2014-55325C2-1-R and by Comunidad de Madrid (Spain) under Project CIBERDINE, S2013/ICE3095-CM.

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Authors and Affiliations

  1. Departamento de Estadística e Investigación Operativa, Universidad de Alicante, Ap. Correos 99, E-03080, Alicante, Spain

    Sara D. Cardell

  2. Instituto de Tecnologías Físicas y de la Información (CSIC), 144, Serrano, 28006, Madrid, Spain

    Amparo Fúster-Sabater

Authors
  1. Sara D. Cardell
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  2. Amparo Fúster-Sabater
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Correspondence to Sara D. Cardell .

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Editors and Affiliations

  1. de Gran Canaria, Universidad de las Palmas de Gran Canari, Las Palmas de Gran Canaria, Spain

    Roberto Moreno-Díaz

  2. Johannes Kepler University Linz, Linz, Austria

    Franz Pichler

  3. de Gran Canaria, Universidad de las Palmas de Gran Canari, Las Palmas de Gran Canaria, Spain

    Alexis Quesada-Arencibia

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Cardell, S.D., Fúster-Sabater, A. (2015). A Simple Linearisation of the Self-shrinking Generator. In: Moreno-Díaz, R., Pichler, F., Quesada-Arencibia, A. (eds) Computer Aided Systems Theory – EUROCAST 2015. EUROCAST 2015. Lecture Notes in Computer Science(), vol 9520. Springer, Cham. https://doi.org/10.1007/978-3-319-27340-2_2

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  • DOI: https://doi.org/10.1007/978-3-319-27340-2_2

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-27339-6

  • Online ISBN: 978-3-319-27340-2

  • eBook Packages: Computer ScienceComputer Science (R0)

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