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:
May. 09, 2023

Filed:

Nov. 09, 2020
Applicant:

Fujitsu Limited, Kawasaki, JP;

Inventors:

Koichi Yasaki, Kawasaki, JP;

Dai Yamamoto, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/40 (2022.01); H04L 61/4511 (2022.01); H04L 67/01 (2022.01);
U.S. Cl.
CPC ...
H04L 63/0823 (2013.01); H04L 61/4511 (2022.05); H04L 63/0236 (2013.01); H04L 63/20 (2013.01); H04L 67/01 (2022.05);
Abstract

A control method implemented by a computer which is configured to be operated as a terminal apparatus, the control method including: transmitting, from the terminal apparatus to a first management server, a first request for transmission of a certificate of a first server, the first server being one of a plurality of servers, the first management server being configured to manage certificates for the plurality of servers; in response to the transmitting of the first request, receiving the certificate of the first server from the first management server; in response to the receiving of the certificate, determining a certificate authority by using information included in the received certificate, the certificate authority being a server from which the received certificate has been issued; and transmitting, from the terminal apparatus to the determined certificate authority, a second request for transmission of first address information on the first server.


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