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. 22, 2020
Filed:
Dec. 04, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Masakatsu Matsuo, Fukuoka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G09C 5/00 (2006.01); G06F 21/60 (2013.01); H04L 9/06 (2006.01); H04L 9/32 (2006.01); G06F 21/64 (2013.01); H04L 9/14 (2006.01); H04L 9/30 (2006.01);
U.S. Cl.
CPC ...
G06F 21/64 (2013.01); G06F 21/602 (2013.01); G09C 5/00 (2013.01); H04L 9/0643 (2013.01); H04L 9/0866 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01); H04L 9/30 (2013.01); H04L 9/3247 (2013.01);
Abstract
A signature generation device includes a data acquirer acquiring a plurality of mutually related pieces of data including first data and a signature generator generating first signature data for the first data and correlation information based on the first data, the correlation information indicating correlation among the plurality of pieces of data, and a signature key. The signature generation device ensures relevance among the plurality of pieces of data.