Welcome to the resource topic for 2025/029
Title:
Highly Efficient Server-Aided Multiparty Subfield VOLE Distribution Protocol
Authors: Dongyu Wu
Abstract:In recent development of secure multi-party computation (MPC), pseudorandom correlations of subfield vector oblivious linear evaluation (sVOLE) type become popular due to their amazing applicability in multi-dimensional MPC protocols such as privacy-preserving biometric identification and privacy-preserving machine learning protocols. In this paper, we introduce a novel way of VOLE distribution in three-party and four-party honest majority settings with the aid of a trusted server. This new method significantly decreases the communication cost and the memory storage of random sVOLE instances. On the other hand, it also enables a streamline distribution process that can generate a sVOLE instance of an arbitrary length, which results in 100 percent of utility rate of random sVOLE in multi-dimensional MPC protocols while preserving complete precomputability.
ePrint: https://eprint.iacr.org/2025/029
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