ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,897, issued on April 29, was assigned to Salesforce Inc. (San Francisco).
"Field level encryption searchable database system" was invented by Freeman Parks (Indianapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A request to search a database field in a database table for a query value may be received. The query value may be hashed with a designated hash function and a designated hash key to produce a designated keyed-hash value. A row in the database table may be identified based on the designated keyed-hash value. The identified row may include a keyed-hash field value that matches the designated keyed-hash value. The identified row may includ...