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Communication Dans Un Congrès Année : 2010

A zero-sum property for the KECCAK-f permutation with 18 rounds

Résumé

A new type of distinguishing property, named the zero-sum property has been recently presented by Aumasson and Meier. It has been applied to the inner permutation of the hash function Keccak and it has led to a distinguishing property for the Keccak-f permutation up to 16 rounds, out of 24 in total. Here, we additionally exploit some spectral properties of the Keccak-f permutation and we improve the previously known upper bounds on the degree of the inverse permutation after a certain number of rounds. This result enables us to extend the zero-sum property to 18 rounds of the Keccak-f permutation, which was the number of rounds in the previous version of Keccak submitted to the SHA-3 competition.
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Dates et versions

hal-00738232 , version 1 (03-10-2012)

Identifiants

  • HAL Id : hal-00738232 , version 1

Citer

Christina Boura, Anne Canteaut. A zero-sum property for the KECCAK-f permutation with 18 rounds. IEEE International Symposium on Information Theory, ISIT 2010, Jun 2010, Austin, Texas, United States. pp.2488-2492. ⟨hal-00738232⟩

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