Truncated, impobible, and improbable differential analysis of ASCON

Date

2016-01-01

Author

Tezcan, Cihangir

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ASCON is an authenticated encryption algorithm which is recently qualified for the second-round of the Competition for Authenticated Encryption: Security, Applicability, and Robustneb. So far, succebful differential, differential-linear, and cube-like attacks on the reduced-round ASCON are provided. In this work, we provide the inverse of ASCON's linear layer in terms of rotations which can be used for constructing impobible differentials. We show that ASCON's S-box contains 35 undisturbed bits and we use them to construct 4 and 5-round truncated, impobible, and improbable differential distinguishers. Our results include practical 4-round truncated, impobible, and improbable differential attacks on ASCON. Our best attacks using these techniques break 5 out of 12 rounds. These are the first succebful truncated, impobible, and improbable differential attacks on the reduced-round ASCON. Copyright © 2016 by SCITEPRESS - Science and Technology Publications, Lda.

Subject Keywords

ASCON, Impobible Differential, Improbable Differential, Truncated Differential, Undisturbed Bits

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84968854155&origin=inward
https://hdl.handle.net/11511/71231

Conference Name

2nd International Conference on Information Systems Security and Privacy, ICISSP 2016

Collections

Graduate School of Informatics, Conference / Seminar

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Citation Formats

C. Tezcan, “Truncated, impobible, and improbable differential analysis of ASCON,” Rome, İtalya, 2016, p. 325, Accessed: 00, 2021. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84968854155&origin=inward.