Tightening Leakage Resilience of the Suffix Keyed Sponge
Abstract: Lightweight cryptographic constructions are often optimized on multiple aspects that put the security bounds to the limit. In this respect, it is important to obtain security bounds that are tight and give an accurate and exact indication of the generic security. However, whereas for black-box security bounds it has become common practice to argue tightness of security bounds, for leakage resilience security bounds this is not the case. This is unfortunate, as for leakage resilience results, tightness is even more important as there is already a lossiness incurred in capturing the actual leakage by a theoretical model in the first place. In this work, we consider the SuKS (Suffix Keyed Sponge) PRF construction and investigate tightness of the leakage resilience bound of Dobraunig and Mennink (ToSC 2019). We observe that, although their black-box security result is tight, their leakage resilience bound is not tight in their bounded leakage term λ. We observe that this is caused by t.... https://tosc.iacr.org/index.php/ToSC/article/view/11413
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Tightening Leakage Resilience of the Suffix Keyed Sponge ; volume:2024 ; number:1 ; year:2024
IACR transactions on symmetric cryptology ; 2024, Heft 1 (2024)
- Creator
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Berendsen, Henk
Mennink, Bart
- DOI
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10.46586/tosc.v2024.i1.459-496
- URN
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urn:nbn:de:101:1-2024032017542762657298
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:50 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Berendsen, Henk
- Mennink, Bart
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