Efficient Unbalanced Quorum PSI from Homomorphic Encryption
Xinpeng Yang, Liang Cai, Yinghao Wang, Keting Yin, L. B. Sun, Jingwei Hu · 2024
Multiparty private set intersection (mPSI) protocol is capable of finding the intersection of multiple sets securely without revealing any other information. However, its limitation lies in processing only those elements present in every participant's set, which proves inadequate in scenarios where certain elements are common to several, but not all, sets.