Summary
IARPA started the Security and Privacy Assurance Research (SPAR) Program in 2011, building on the past IARPA Automatic Privacy Protection (APP) Program. SPAR’s program goals are to develop 1) prototype implementations of efficient cryptographic protocols for querying a database that keep the query confidential, yet still allow the database owner to determine if the query is authorized and, if so, return only those records that match it; 2) prototype implementations of efficient cryptographic protocols for subscribing to topics in a stream of documents such that the subscription is kept confidential and only the matching documents are delivered; and 3) efficient homomorphic encryption techniques to implement queries on encrypted data.