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:
Dec. 06, 2022
Filed:
Jan. 11, 2019
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Tsutomu Nakatsuru, Tokyo, JP;
Katsuya Shimoji, Tokyo, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/14 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0866 (2013.01); H04L 9/0822 (2013.01); H04L 9/14 (2013.01); H04L 9/32 (2013.01);
Abstract
There is provided an information processing device, including a processing unit configured to perform a calculation using keys assigned to a plurality of areas of a recording medium and generate an authentication key. The processing unit generates the authentication key by performing a calculation using conversion values corresponding to the keys, the conversion values being obtained by converting device-specific information using conversion methods associated with the keys used in the calculation.