ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,137, issued on Jan. 13, was assigned to HONOR DEVICE Co. LTD. (Shenzhen, China).
"Method for saving ciphertext and apparatus" was invented by Hongjian Yu (Shenzhen, China), Shuang Li (Shenzhen, China) and Fei Wang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a method for saving a ciphertext and an apparatus. The method includes: obtaining an encryption instruction, where the encryption instruction instructs to encrypt a file in an external memory; obtaining an eigenvalue of a first account identifier based on the encryption instruction; encrypting a first key by using the eigenvalue of the first account i...