US Patent Issued to CHINA UNIONPAY on June 24 for "Data encryption and decryption method, device, storage medium and encrypted file" (Chinese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,886, issued on June 24, was assigned to CHINA UNIONPAY Co. LTD. (Shanghai).

"Data encryption and decryption method, device, storage medium and encrypted file" was invented by Lin Chen (Shanghai), Bin Xu (Shanghai) and Sen Yang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application provides a data encryption and decryption method, device, storage medium, and encrypted file, and relates to the technical field of data processing. The method for data encryption includes: obtaining a first key, and performing an obfuscation operation on the first key and data to be encrypted to obtain obfuscation operation result data; obtaining a secon...