ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,305, issued on Jan. 20, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).
"Memory encryption" was invented by Kedarnath Balakrishnan (Bangalore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A memory controller includes encryption circuits for encrypting write data to be written to an address in a RAM memory. A tweak value is provided based at least on the address. The tweak value is encrypted with Advanced Encryption Standard (AES) encryption using a first key. A first block write data is encrypted by manipulating it based on the encrypted tweak value, AES encrypting with a second key, and then manipulating the result based ...