Title:
TECHNIQUES TO MAINTAIN MEMORY CONFIDENTIALITY THROUGH POWER STATE CHANGES
Document Type and Number:
WIPO Patent Application WO/2018/176388
Kind Code:
A1
Abstract:
Various embodiments are generally directed to techniques to maintain confidentiality of non-volatile memoryin a computer system through power state changes, such as, between a hibernation state and an awake state, for instance. Some embodiments are particularly directed a memory confidentiality manager (MCM) that clears content in a protected non-volatile memory unless appropriate session data is provided after a power state change. In various embodiments, the MCM may comprise one or more portions of a state machine (SM). In some embodiments, a memory controller associated with the protected memory may provide the session data to the MCM as part of an authentication operation. In some such embodiments, the memory controller may comprise one or more portions of a system on chip (SOC).
Inventors:
YAO JIEWEN (CN)
ROTHMAN MICHAEL (US)
ZIMMER VINCENT (US)
ROTHMAN MICHAEL (US)
ZIMMER VINCENT (US)
Application Number:
PCT/CN2017/079002
Publication Date:
October 04, 2018
Filing Date:
March 31, 2017
Export Citation:
Assignee:
INTEL CORP (US)
YAO JIEWEN (CN)
ROTHMAN MICHAEL A (US)
ZIMMER VINCENT J (US)
YAO JIEWEN (CN)
ROTHMAN MICHAEL A (US)
ZIMMER VINCENT J (US)
International Classes:
G11C16/06
Foreign References:
| CN1950804A | 2007-04-18 | |||
| CN103647804A | 2014-03-19 | |||
| US5270979A | 1993-12-14 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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