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Provable Security for an RC6-like Structure and a MISTY-FO-like Structure Against Differential Cryptanalysis

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Computational Science and Its Applications - ICCSA 2006 (ICCSA 2006)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 3982))

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Abstract

In this paper we introduce two new block cipher structures, named RC6-like structure and MISTY-FO-like structure, and show that these structures are provably resistant against differential attack. The main results of this paper are that the 5-round differential probabilities of these structures are upperbounded by p 4+2p 5 and p 4, respectively, if the maximum differential probability of a round function is p. We also discuss a provable security for the RC6-like structure against LC. Our results are attained under the assumption that all of components in our proposed structures are bijective.

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Author information

Authors and Affiliations

  1. Center for Information Security Technologies(CIST), Korea University, Anam Dong, Sungbuk Gu, Seoul, Korea

    Changhoon Lee, Jongsung Kim, Seokhie Hong & Sangjin Lee

  2. ESAT/SCD-COSIC, Katholieke Universiteit Leuven, Belgium

    Jongsung Kim

  3. Department of Mathematics, University of Seoul, 90, Cheonnong Dong, Dongdaemun Gu, Seoul, Korea

    Jaechul Sung

Authors
  1. Changhoon Lee
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  2. Jongsung Kim
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  3. Jaechul Sung
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  4. Seokhie Hong
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  5. Sangjin Lee
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Editor information

Editors and Affiliations

  1. Department of Computer Science, University of Calgary, 2500 University Drive N.W., T2N 1N4, Calgary, AB, Canada

    Marina Gavrilova

  2. Department of Mathematics and Computer Science, University of Perugia, via Vanvitelli, 1, I-06123, Perugia, Italy

    Osvaldo Gervasi

  3. William Norris Professor, Head of the Computer Science and Engineering Department, University of Minnesota, USA

    Vipin Kumar

  4. OptimaNumerics Ltd., Cathedral House, 23-31 Waring Street, BT1 2DX, Belfast, UK

    C. J. Kenneth Tan

  5. Clayton School of IT, Monash University, 3800, Clayton, Australia

    David Taniar

  6. Department of Chemistry, University of Perugia, Via Elce di Sotto, 8, I-06123, Perugia, Italy

    Antonio Laganá

  7. School of Computing, Soongsil University, Seoul, Korea

    Youngsong Mun

  8. School of Information and Communication Engineering, Sungkyunkwan University, Korea

    Hyunseung Choo

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© 2006 Springer-Verlag Berlin Heidelberg

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Lee, C., Kim, J., Sung, J., Hong, S., Lee, S. (2006). Provable Security for an RC6-like Structure and a MISTY-FO-like Structure Against Differential Cryptanalysis. In: Gavrilova, M., et al. Computational Science and Its Applications - ICCSA 2006. ICCSA 2006. Lecture Notes in Computer Science, vol 3982. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11751595_48

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  • DOI: https://doi.org/10.1007/11751595_48

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-34075-1

  • Online ISBN: 978-3-540-34076-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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