US Patent Issued to Capital One Services on July 8 for "Secure data exchange using format-preserving encryption" (Virginia Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,737, issued on July 8, was assigned to Capital One Services LLC (McLean, Va.).

"Secure data exchange using format-preserving encryption" was invented by Hao Cheng (Oakton, Va.), Rohit Joshi (Glen Allen, Va.) and Ashish Gupta (Richmond, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems disclosed herein describe tokenizing data to generate a secure token that is limited in scope (e.g., directed to a specific recipient) and limited in time (e.g., valid for only a specified period of time). A detokenization process may be employed to recover encrypted data of the secure token without the need for any relational database lookup proces...