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International Conference on Information Security and Cryptology

ICISC 2012: Information Security and Cryptology – ICISC 2012 pp 156–169Cite as

Comprehensive Study of Integral Analysis on 22-Round LBlock

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Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 7839))

Abstract

The current paper presents an integral cryptanalysis in the single-key setting against light-weight block-cipher LBlock reduced to 22 rounds. Our attack uses the same 15-round integral distinguisher as the previous attacks, but many techniques are taken into consideration in order to achieve comprehensive understanding of the attack; choosing the best balanced-byte position, meet-in-the-middle technique to identify right key candidates, partial-sum technique, relations among subkeys, and combination of the exhaustive search with the integral analysis.

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Author information

Authors and Affiliations

  1. NTT Secure Platform Laboratories, NTT Corporation, Japan

    Yu Sasaki

  2. Nanyang Technological University, Singapore

    Lei Wang

Authors
  1. Yu Sasaki
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  2. Lei Wang
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Editor information

Editors and Affiliations

  1. Department of Computer Engineering, Sejong University, 143-747, Seoul, Korea

    Taekyoung Kwon

  2. School of Computer Science and Engineering, Inha University, 402-751, Incheon, Korea

    Mun-Kyu Lee

  3. National Security Research Institute, 306-600, Daejeon, Korea

    Daesung Kwon

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Sasaki, Y., Wang, L. (2013). Comprehensive Study of Integral Analysis on 22-Round LBlock. In: Kwon, T., Lee, MK., Kwon, D. (eds) Information Security and Cryptology – ICISC 2012. ICISC 2012. Lecture Notes in Computer Science, vol 7839. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37682-5_12

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  • DOI: https://doi.org/10.1007/978-3-642-37682-5_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-37681-8

  • Online ISBN: 978-3-642-37682-5

  • eBook Packages: Computer ScienceComputer Science (R0)

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