ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,991, issued on Aug. 4, was assigned to Lemon Inc. (Grand Cayman, Cayman Islands).
"Data security for format-preserving data transforming" was invented by Yongjun Zhao (Beijing), Wei Dai (Culver City, Calif.), Donghang Lu (Culver City, Calif.) and Qiang Yan (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for data security are provided. The method includes generating respective tags for data segments in a dataset, deriving respective temporal keys associated with the respective tags for the plurality of data segments from a master key, and transforming the plurality of data segments from a plaintext to a ciphertext using the...