ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,246, issued on June 2, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Storage device, storage system operating method, and computing system" was invented by Minho Kim (Seongnam-si, South Korea) and Wijik Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A storage device includes a non-volatile memory, and a memory controller, wherein the memory controller encrypts plaintext to generate a homomorphic ciphertext with a first level among homomorphic ciphertexts with different levels, stores the homomorphic ciphertext with the first level in the non-volatile memory, and provides the homomorphic ciphertext w...