[Resource Topic] 2021/1046: On the modifier Q for multivariate signature schemes

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Title:
On the modifier Q for multivariate signature schemes

Authors: Yasufumi Hashimoto

Abstract:

At PQCrypto 2021, Smith-Tone proposed a new modifier, called ``Q’', to construct a fast multivariate signature scheme from a known scheme. In the present paper, we propose an idea to weaken the security of this modifier.

ePrint: https://eprint.iacr.org/2021/1046

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