[Resource Topic] 2013/315: Hybrid Approach for the Fast Verification for Improved Versions of the UOV and Rainbow Signature Schemes

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Title:
Hybrid Approach for the Fast Verification for Improved Versions of the UOV and Rainbow Signature Schemes

Authors: Albrecht Petzoldt

Abstract:

Multivariate cryptography is one of the main candidates to guarantee the security of communication in the post-quantum era. Especially in the area of digital signatures, multivariate cryptography offers a wide range of practical schemes. In \cite{PB12} and \cite{PB13} Petzoldt et al. showed a way to speed up the verification process of improved variants of the UOV and Rainbow signature schemes. In this paper we show how we can do even better by a slight variation of their algorithms.

ePrint: https://eprint.iacr.org/2013/315

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