ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,507, issued on July 21, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Storage device and operating method thereof" was invented by Jiman Jeong (Suwon-si, South Korea), Yongmin Kim (Suwon-si, South Korea), Yunho Youm (Suwon-si, South Korea) and Seungho Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A storage device inventive concepts includes a controller configured to receive data and generate a first encryption key; and a memory storing a second encryption key, wherein the controller may be further configured to encrypt the data with the first encryption key, encrypt the first encryption key with ...