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1. Total break of Zorro using linear and differential attacks

Sh. Rasoolzadeh; Z. Ahmadian; M. Salmasizadeh; M. R. Aref

Volume 6, Issue 1 , Winter and Spring 2014, , Pages 23-34

http://dx.doi.org/10.22042/isecure.2014.6.1.3

Abstract
  An AES-like lightweight block cipher, namely Zorro, was proposed in CHES 2013. While it has a 16-byte state, it uses only 4 S-Boxes per round. This weak nonlinearity was widely criticized, insofar as it has been directly exploited in all the attacks on Zorro reported by now, including the weak key, reduced ...  Read More