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URN: urn:nbn:de:0030-drops-19541
URL: http://drops.dagstuhl.de/opus/volltexte/2009/1954/

Hermelin, Miia ; Cho, Joo Yeon ; Nyberg, Kaisa

Statistical Tests for Key Recovery Using Multidimensional Extension of Matsui's Algorithm 1

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Abstract

In one dimension, there is essentially just one binomially distributed statistic, bias or correlation, for testing correctness of a key bit in Matsui's Algorithm 1. In multiple dimensions, different statistical approaches for finding the correct key candidate are available. The purpose of this work is to investigate the efficiency of such test in theory and practice, and propose a new key class ranking statistic using distributions based on multidimensional linear approximation and generalisation of the ranking statistic presented by Selc cuk.

BibTeX - Entry

@InProceedings{hermelin_et_al:DSP:2009:1954,
  author =	{Miia Hermelin and Joo Yeon Cho and Kaisa Nyberg},
  title =	{Statistical Tests for Key Recovery Using Multidimensional   Extension of Matsui's Algorithm 1},
  booktitle =	{Symmetric Cryptography },
  year =	{2009},
  editor =	{Helena Handschuh and Stefan Lucks and Bart Preneel and Phillip Rogaway},
  number =	{09031},
  series =	{Dagstuhl Seminar Proceedings},
  ISSN =	{1862-4405},
  publisher =	{Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Germany},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2009/1954},
  annote =	{Keywords: Block cipher, key recovery attacks, key ranking, linear cryptanalysis, multidimensional approximation}
}

Keywords: Block cipher, key recovery attacks, key ranking, linear cryptanalysis, multidimensional approximation
Seminar: 09031 - Symmetric Cryptography
Issue date: 2009
Date of publication: 30.03.2009


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