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:
Aug. 28, 2018

Filed:

Oct. 05, 2015
Applicant:

Nintendo Co., Ltd., Kyoto, JP;

Inventors:

Yutaka Murakami, Kyoto, JP;

Minoru Hatamoto, Kyoto, JP;

Tatsuhiro Shirai, Kyoto, JP;

Assignee:

NINTENDO CO., LTD., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
G06F 21/572 (2013.01); G06F 2221/2109 (2013.01);
Abstract

Identification information of a program read from outside, such as firmware, is acquired, and usability of a piece of key data in a range corresponding to the identification information is set, among a plurality of pieces of key data to be used for the program. As another example, based on new key data generated based on key data stored in advance in a memory and identification information, firmware corresponding to the identification information is decrypted.


Find Patent Forward Citations

Loading…