公开(公告)号：US20220164293A1

公开(公告)日：2022-05-26

申请号：US17441214

申请日：2019-04-19

Applicant: Intel Corporation

Inventor： Adrian PEARSON ,  Bing ZHU ,  Elena AGRANOVSKY ,  Tomas WINKLER ,  Yang HUANG

IPC: G06F12/14

Abstract: Multi-mode protected memory in accordance with the present description includes a permanent mode and a transient mode of operation. In one embodiment of the permanent mode, an authentication key is programmable once and a write counter is not decrementable or resettable. In one embodiment of the transient mode, an authentication key may be programmed many times and a write counter may be reset many times. Other features and advantages may be realized, depending upon the particular application.