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CyclicRainbow – A Multivariate Signature Scheme with a Partially Cyclic Public Key

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Book cover Progress in Cryptology - INDOCRYPT 2010 (INDOCRYPT 2010)

Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 6498))

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Abstract

Multivariate Cryptography is one of the alternatives to guarantee the security of communication in the post-quantum world. One major drawback of such schemes is the huge size of their keys. In [PB10] Petzoldt et al. proposed a way how to reduce the public key size of the UOV scheme by a large factor. In this paper we extend this idea to the Rainbow signature scheme of Ding and Schmidt [DS05]. By our construction it is possible to reduce the size of the public key by up to 62%.

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Author information

Authors and Affiliations

  1. Department of Computer Science, Technische Universität Darmstadt, Hochschulstraße 10, 64289, Darmstadt, Germany

    Albrecht Petzoldt & Johannes Buchmann

  2. Center for Advanced Security Research Darmstadt - CASED, Mornewegstraße 32, 64293, Darmstadt, Germany

    Stanislav Bulygin & Johannes Buchmann

Authors
  1. Albrecht Petzoldt
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  2. Stanislav Bulygin
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  3. Johannes Buchmann
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Editor information

Editors and Affiliations

  1. Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, Canada

    Guang Gong

  2. Indian Statistical Institute, Applied Statistics Unit, 203 B. T. Road, 700108, Kolkata, India

    Kishan Chand Gupta

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Petzoldt, A., Bulygin, S., Buchmann, J. (2010). CyclicRainbow – A Multivariate Signature Scheme with a Partially Cyclic Public Key. In: Gong, G., Gupta, K.C. (eds) Progress in Cryptology - INDOCRYPT 2010. INDOCRYPT 2010. Lecture Notes in Computer Science, vol 6498. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17401-8_4

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  • DOI: https://doi.org/10.1007/978-3-642-17401-8_4

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-17400-1

  • Online ISBN: 978-3-642-17401-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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