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:
Sep. 20, 2016
Filed:
Aug. 08, 2014
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Takeyuki Minamimoto, Urayasu, JP;
Kentaro Umesawa, Kawasaki, JP;
Masaki Saito, Yokohama, JP;
Masamitsu Ohhashi, Yokohama, JP;
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Abstract
According to one embodiment, a memory system includes a host interface, a first storage unit which stores data in a nonvolatile manner, and a memory controller. The memory controller includes a management information generating unit which generates command information for every command received from a host through the host interface and a digital signature calculating unit which generates a digital signature from the command information using a secret key. The management information generating unit generates management information which contains the command information and the digital signature for the every command.