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.

Date of Patent:
Feb. 02, 2021

Filed:

Feb. 26, 2019
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Ryuta Nara, Fuchu, JP;

Takeshi Kawabata, Kawasaki, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/74 (2013.01);
U.S. Cl.
CPC ...
G06F 21/74 (2013.01); G06F 2221/2149 (2013.01);
Abstract

According to an embodiment, an information processing device switching between a secure mode and a non-secure mode to operate, includes one or more processors configured to perform: implementing a secure OS which operates in the secure mode; implementing a non-secure OS which operates in the non-secure mode; acquiring initialization process information autonomously in the secure mode, the initialization process information relating to an initialization process which the non-secure OS executes for a shared resource shared by the secure OS and the non-secure OS; and enabling, based on the initialization process information, the shared resource to be shared and used by the secure OS and the non-secure OS.


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