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:
Jun. 23, 2015
Filed:
Nov. 28, 2012
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Yasuyuki Tanaka, Kanagawa-ken, JP;
Mitsuru Kanda, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
There is provided an authentication device in which a network access authenticating unit executes a first network access authentication process with a communication device; master key generator generates a first master key shared with the communication device in accordance with a result of the first network access authentication process; an application-oriented encryption key generator generates a first encryption key for an application, which is shared with the communication device, on the basis of the first master key; a master key identifier determiner determines an identifier of the first master key; and an application-oriented encryption key identifier determiner determines an identifier of the first encryption key for the application in accordance with the identifier of the first master key.