Blar i Department of Informatics på tidsskrift "Advances in Mathematics of Communications"

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    • A note on some algebraic trapdoors for block ciphers 

      Calderini, Marco (Peer reviewed; Journal article, 2018)
      We provide sufficient conditions to guarantee that a translation based cipher is not vulnerable with respect to the partition-based trapdoor. This trapdoor has been introduced, recently, by Bannier et al. (2016) and it ...

    • Some group-theoretical results on Feistel Networks in a long-key scenario 

      Aragona, Riccardo; Calderini, Marco; Civino, Roberto (Journal article; Peer reviewed, 2020)
      The study of the trapdoors that can be hidden in a block cipher is and has always been a high-interest topic in symmetric cryptography. In this paper we focus on Feistel-network-like ciphers in a classical long-key scenario ...

    • Wave-shaped round functions and primitive groups 

      Aragona, Riccardo; Calderini, Marco; Civino, Roberto; Sala, Massimiliano; Zappatore, Ilaria (Peer reviewed; Journal article, 2019)
      Round functions used as building blocks for iterated block ciphers, both in the case of Substitution-Permutation Networks (SPN) and Feistel Networks (FN), are often obtained as the composition of different layers. The ...