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. 16, 2025
Filed:
Aug. 30, 2021
Applicant:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Inventors:
Yasuyuki Tanaka, Kawaasaki Kanagawa, JP;
Takahiro Yamaura, Kawasaki Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0852 (2013.01); H04L 9/0825 (2013.01); H04L 9/0861 (2013.01);
Abstract
According to an embodiment, a forwarding device, which is connected to a key management server device configured to generate a decryption key by using quantum key distribution, includes a memory and one or more processors coupled to the memory. The one or more processors are configured to: receive a reception packet; decrypt the reception packet when the reception packet is a decryption target packet; and forward the decrypted reception packet or the undecrypted reception packet.