The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 2021
Filed:
Feb. 04, 2019
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventors:
Rotem Sela, Hod Hasharon, IL;
Miki Sapir, Nes Ziona, IL;
Assignee:
Western Digital Technologies, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 12/14 (2006.01); H04L 9/14 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3242 (2013.01); G06F 12/1466 (2013.01); H04L 9/14 (2013.01); G06F 2212/1052 (2013.01);
Abstract
An apparatus includes a Replay Protected Memory Block (RPMB) formed in a plurality of non-volatile memory cells. Control circuitry is configured to authenticate access to the RPMB with a plurality of keys. Authentication of write access to the RPMB is through a write key and authentication of read access to the RPMB is through a read key.