Analysis of NORX: Investigating Differential and Rotational Properties

  title={Analysis of NORX: Investigating Differential and Rotational Properties},
  author={Jean-Philippe Aumasson and Philipp Jovanovic and Samuel Neves},
This paper presents a thorough analysis of the AEAD scheme NORX, focussing on differential and rotational properties. We first introduce mathematical models that describe differential propagation with respect to the non-linear operation of NORX. Afterwards, we adapt a framework previously proposed for ARX designs allowing us to automatise the search for differentials and characteristics. We give upper bounds on the differential probability for a small number of steps of the NORX core… CONTINUE READING
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