[Resource Topic] 2020/1215: Differential analysis of the ZUC-256 initialisation

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Title:
Differential analysis of the ZUC-256 initialisation

Authors: Steve Babbage, Alexander Maximov

Abstract:

This short report contains results of a brief cryptanalysis of the initialisation phase of ZUC-256. We find IV differentials that persist for 26 of the 33 initialisation rounds, and Key differentials that persist for 28 of the 33 rounds.

ePrint: https://eprint.iacr.org/2020/1215

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