Experimental symmetric private information retrieval with measurement-device-independent quantum network

We realised a provably-secure symmetric private information retrieval supported by a quantum-secure key-exchange network. Our demonstration achieves secure retrieval of 582-byte fingerprint files from a database with 800 entries.

Bibliographic Details
Main Authors: Chao Wang, Wen Yu Kon, Hong Jie Ng, Charles C.-W. Lim
Format: Article
Language:English
Published: Nature Publishing Group 2022-09-01
Series:Light: Science & Applications
Online Access:https://doi.org/10.1038/s41377-022-00959-6