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. 26, 2023
Filed:
Jul. 17, 2019
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A plurality of clients including a platform () and at least one client () communicate with each other in accordance with a publish-subscribe model. A topic common key manager () of the platform () provides, to the client (), a topic common key associated with a topic and being for encryption and decryption of a message directed to the topic. A message manager () transmits the message encrypted with the topic common key associated with the topic, and decrypts a received message with the topic common key associated with the topic. A topic common key storage () of the client () stores the topic common key provided from the platform () in association with identification information of the topic. A message manager () transmits the message encrypted with the topic common key, and decrypts a received message with the topic common key.