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Rapport (Rapport De Recherche) Année : 2009

Improving Integral Cryptanalysis against Rijndael with Large Blocks

Résumé

This report presents new four-round integral properties against the Rijndael cipher with block sizes larger than 128 bits. Using higher-order multiset distinguishers and other well-known extensions of those properties, the deduced attacks reach up to 7 and 8 rounds of Rijndael variants with 160 up to 256-bit blocks. For example, a 7-rounds attack against Rijndael-224 has a time complexity equal to $2^{80}$.
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Dates et versions

inria-00423681 , version 1 (12-10-2009)

Identifiants

  • HAL Id : inria-00423681 , version 1
  • ARXIV : 0910.2153

Citer

Marine Minier, Benjamin Pousse. Improving Integral Cryptanalysis against Rijndael with Large Blocks. [Research Report] 2009. ⟨inria-00423681⟩
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