ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,537, issued on Feb. 18, was assigned to KIOXIA Corp..
"Memory system encrypting data" was invented by Taichi Ejiri (Yokohama Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A memory system includes a nonvolatile memory and a controller. In a case where first encrypted data obtained by encrypting first data with a first DEK is stored in the nonvolatile memory, in response to determining that second data received based on a first write request from a host is the same as the first data and a first user uses the host, the controller encrypts the first DEK with a first KEK associated with the first user to acquire a first encrypted DEK, an...