Highly Efficient OT-Based Multiplication Protocols

Iftach Haitner,Nikolaos Makriyannis,Samuel Ranellucci,Eliad Tsfadia

ADVANCES IN CRYPTOLOGY - EUROCRYPT 2022, PT I（2022）

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摘要

We present a new OT-based two-party multiplication protocol that is almost as efficient as Gilboa's semi-honest protocol (Crypto '99), but has a high-level of security against malicious adversaries without further compilation. The achieved security suffices for many applications, and, assuming DDH, can be cheaply compiled into full security.

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ot-based

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