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:
Nov. 17, 2015

Filed:

Dec. 27, 2012
Applicants:

Seijiro Yoneyama, Yokohama, JP;

Mitsuru Kanda, Tokyo, JP;

Inventors:

Seijiro Yoneyama, Yokohama, JP;

Mitsuru Kanda, Tokyo, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 63/061 (2013.01); H04L 63/0869 (2013.01); H04L 63/0884 (2013.01); Y04S 40/24 (2013.01);
Abstract

According to an embodiment, a communication apparatus includes a security control unit. The security control unit establishes first and second secure communication channels to a first server which manages communication security keys and second server which provides a service regarding a smart meter, respectively when operation to the smart meter is started, performs mutual authentication with the first server and acquire a first key from the first server via the first secure communication channel, and relays mutual authentication with the first server and acquisition of a second key from the first server via the first secure communication channel for the smart meter.


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