Source: wikibot/private-information-retrieval
= Private information retrieval
{wiki=Private_information_retrieval}
Private Information Retrieval (PIR) is a cryptographic technique that allows a user to retrieve data from a database without revealing which specific data item is being accessed. The primary goal of PIR is to enable privacy-preserving data retrieval, ensuring that the service provider (the database owner) learns nothing about the user's query or the specific data item that the user is interested in.