公开(公告)号：US11816039B2

公开(公告)日：2023-11-14

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

CPC classification number: G06F12/1408 ,  G06F12/1425 ,  G06F12/1466

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.