[Resource Topic] 2023/1954: Fiat-Shamir Goes Tropical

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Fiat-Shamir Goes Tropical

Authors: Rémi Géraud-Stewart, David Naccache, Ofer Yifrach-Stav


In a recent ePrint, Brown and Monico propose new attacks on the tropical signature scheme of Chen, Grigoriev and Shpilrain. This note provides a new countermeasures against those attacks. Thereby, we (temporarily?) shift the fire from the signature algorithm to redirect attacks on the key and on tropical polynomial factorization.

ePrint: https://eprint.iacr.org/2023/1954

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