ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,021, issued on Nov. 4, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor memory device and method for generating message authentication code thereof" was invented by Ho-Youn Kim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a semiconductor memory device comprising a memory core including a plurality of random-access memory cells, an error correction code (ECC) circuit configured to generate parity of data written to the memory core, and a message authentication code (MAC) control circuit configured to generate a security key based on a physical unclonable function (PUF) source si...