[Resource Topic] 2023/453: An algebraic attack for forging signatures of MPPK/DS

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Title:
An algebraic attack for forging signatures of MPPK/DS

Authors: Hao Guo

Abstract:

We give an algebraic attack to forge the signature of a scheme called
MPPK/DS, which can be achieved by solving a linear system in 5 variables
with coefficients on \mathbb{Z}/2^x q \mathbb{Z} for some odd prime q and x ≥ 1.

ePrint: https://eprint.iacr.org/2023/453

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