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IACR Cryptology ePrint Archive
Multi-Server Private Information Retrieval (PIR) is a cryptographic primitive that allows a client to securely query a database entry from n ≥ 2 non-colluding servers, which learn no information about the query. Highly efficient PIR could be used for large-scale applications like Compromised Credential Checking (C3) (USENIX Security'19), which allows users to check whether their credentials have been leaked in a data breach. However, state-of-the art PIR schemes are not efficient enough fordblp:journals/iacr/GuntherHPS21 fatcat:3bnjs76we5e6tjmfh2f6h2ujqu