2 papers
quant-ph2025
Impossibility of Quantum Private Queries
Esther Hänggi, Severin Winkler
Symmetric private information retrieval is a cryptographic task allowing a user to query a database and obtain exactly one entry without revealing to the owner of the database whic…
quant-ph2025
Lower Bounds for Quantum Secure Function Evaluation Reductions
Esther Hänggi, Severin Winkler
One-sided output secure function evaluation is a cryptographic primitive where the two mutually distrustful players, Alice and Bob, both have a private input to a bivariate functio…