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:
Aug. 04, 2015

Filed:

Jan. 06, 2014
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Taku Kato, Kamakura, JP;

Tatsuyuki Matsushita, Tokyo, JP;

Yuji Nagai, Sagamihara, JP;

Shinichi Matsukawa, Tokyo, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 9/08 (2006.01); G11B 20/00 (2006.01);
U.S. Cl.
CPC ...
H04L 9/321 (2013.01); G11B 20/00115 (2013.01); G11B 20/00217 (2013.01); H04L 9/0816 (2013.01); H04L 9/0822 (2013.01); H04L 9/0833 (2013.01); H04L 9/0869 (2013.01); H04L 9/0897 (2013.01); H04L 9/32 (2013.01); G11B 2220/60 (2013.01); H04L 2209/601 (2013.01);
Abstract

According to one embodiment, a method for authenticating a device, wherein the device holds secret identification information, encrypted secret identification information, and key management information, and an authenticator holds an identification key, the method includes reading, by the authenticator, the encrypted secret identification information and the key management information from the device, and obtaining, by the authenticator, a family key by using the key management information, the family key being capable of being decrypted with the identification key. The method further includes obtaining, by the authenticator, the secret identification information by decrypting the encrypted secret identification information with the family key.


Find Patent Forward Citations

Kato, Taku. (2015). Authenticator (U.S. Patent No. 9100187). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9100187

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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