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. 21, 2021
Filed:
Jul. 21, 2017
Nec Corporation, Tokyo, JP;
Tatsuya Ito, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
Provided is a signature generation device, etc., generating signature information with high accuracy. The signature generation device calculates hash values for at least a partial area in individual files; calculates a similarity degree between the calculated hash values and classifies the plurality of files into groups based on the calculated degree; specifies common strings among, at least, some of the files in strings included in files of a group, the strings being symbol strings or bit strings; and generates signature information being a criterion for determining whether or not at least a part of the common string in the specified common strings is included.