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:
Mar. 28, 2017
Filed:
Mar. 14, 2013
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Shingo Murakami, Kanagawa, JP;
Takeshi Matsumura, Tokyo, JP;
Toshikane Oda, Tokyo, JP;
Shinta Sugimoto, Kanagawa, JP;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
There is provided a mobile terminal for use in a system which includes a backend server having a first encryption key and an onboard unit (OBU). A first receiving unit receives, from the backend server, a base shared key encrypted with a second encryption key, the base shared key encrypted with the first encryption key, and a digital signature. A deriving unit decrypts the base shared key with the second encryption key and derives first authentication information based on the base shared key and a first temporary parameter. A second sending unit sends, to the OBU, the base shared key encrypted with the first encryption key, the digital signature, the first authentication information, identification information of the base shared key, and the first temporary parameter.