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:
Oct. 10, 2023
Filed:
Sep. 14, 2021
Fujitsu Limited, Kawasaki, JP;
Toshihiko Kurita, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A recording medium storing a program for causing a computer to execute processing including: creating first and second partial certificate information from certificate information that includes attribute information of a signer and certification information used to certify the attribute information, based on a data amount of an electronic document, in response to a signing request for the electronic document; generating an electronic signature for the electronic document and the first partial certificate information; attaching the generated electronic signature to the electronic document and the first partial certificate information, and transmitting the electronic document and the first partial certificate information with the electronic signature attached to a submission source of the electronic document; and transmitting the second partial certificate information to a verification device that verifies authenticity of the certificate information, using another route different from a route that connects the submission source and a submission destination of the electronic document.