Psi-conf Software Direct

(Private Set Intersection for Configuration) is a lightweight cryptographic protocol and software tool that enables two parties—typically a device and a server—to determine shared configuration parameters or identity attributes without revealing their non-shared data .

A financial institution must screen customers against a government sanctions list. Using PSI-Conf, the bank learns only if its customer is on the list (yes/no) without the government learning which customers the bank was screening. psi-conf software