Welcome to the resource topic for 2025/1778
Title:
Unified Approach to UOV-like Multivariate Signature Schemes
Authors: Peigen Li, Hao Guo, Jintai Ding
Abstract:This article develops a unified framework for analyzing and enhancing a family of multivariate signature schemes based on UOV. We conduct a comparative study of three recent UOV-like schemes—QR-UOV, MAYO, and SNOVA—and identify a common design principle: employing tensor product constructions to enlarge the dimension of the oil subspace. Building on this perspective, we propose a new multivariate signature scheme called TSUOV that synthesizes these insights to provide improved key and signature sizes without compromising security.
ePrint: https://eprint.iacr.org/2025/1778
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