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Title:
Fiat-Shamir Goes Tropical
Authors: Rémi Géraud-Stewart, David Naccache, Ofer Yifrach-Stav
Abstract: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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