Differential-linear Attacks on Permutation Ciphers Revisited: Experiments on Ascon and DryGASCON

Date

2021-01-01

Author

Civek, Aslı Başak
Tezcan, Cihangir

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Ascon and DryGASCON are very similar designs that were submitted to NIST's lightweight cryptography standardization process. While Ascon made it to the finals, DryGASCON was eliminated in the second round. We analyze these algorithms against truncated, linear and differential-linear distinguishers to compare their security. We correct 2, 3, 3.5-round truncated differentials and 5-round differential-linear distinguishers that were given for DryGASCON-128. Moreover, we provide the longest practical differential-linear distinguisher of DryGASCON-128. Finally, we compare the security of Ascon-128 and DryGASCON-128 against differential-linear cryptanalysis.

Subject Keywords

Lightweight Cryptography, Cryptanalysis, Differential-linear Analysis, NIST

URI

https://hdl.handle.net/11511/99107

DOI

https://doi.org/10.5220/0010982600003120

Conference Name

8th International Conference on Information Systems Security and Privacy (ICISSP)

Collections

Graduate School of Informatics, Conference / Seminar

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Citation Formats

A. B. Civek and C. Tezcan, “Differential-linear Attacks on Permutation Ciphers Revisited: Experiments on Ascon and DryGASCON,” presented at the 8th International Conference on Information Systems Security and Privacy (ICISSP), ELECTR NETWORK, 2021, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/99107.