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Paper 2020/1215

Differential analysis of the ZUC-256 initialisation

Steve Babbage and 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.

Metadata
Available format(s)
PDF
Category
Secret-key cryptography
Publication info
Preprint.
Keywords
3GPP5GZUC-256
Contact author(s)
steve babbage @ vodafone com,alexander maximov @ ericsson com
History
2020-10-06: received
Short URL
https://ia.cr/2020/1215
License
Creative Commons Attribution
CC BY
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