[Resource Topic] 2024/1102: A Note on ``Privacy Preserving n-Party Scalar Product Protocol''

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Title:
A Note on ``Privacy Preserving n-Party Scalar Product Protocol’’

Authors: Lihua Liu

Abstract:

We show that the scalar product protocol [IEEE Trans. Parallel Distrib. Syst. 2023, 1060-1066] is insecure against semi-honest server attack, not as claimed. Besides, its complexity increases exponentially with the number n, which cannot be put into practice.

ePrint: https://eprint.iacr.org/2024/1102

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