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:
Mar. 27, 2018

Filed:

Feb. 20, 2014
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Yoshimichi Tanizawa, Yokohama, JP;

Hideaki Sato, Yokohama, JP;

Ririka Takahashi, Setagaya-ku, JP;

Shinichi Kawamura, Kodaira, JP;

Shinya Murai, Kawasaki, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 21/60 (2013.01); G06F 21/62 (2013.01); H04L 9/08 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
G06F 21/602 (2013.01); G06F 21/629 (2013.01); H04L 9/0816 (2013.01); H04L 9/0855 (2013.01); H04L 63/061 (2013.01);
Abstract

According to an embodiment, a communication device includes an acquirer and a determiner. The acquirer is configured to acquire a first history value for each of one or more applications that use an encryption key. The first history value indicates a history value of a volume of the encryption key used by the each of one or more applications. The determiner is configured to determine a volume of the encryption key to be assigned to the corresponding application, according to the first history value.


Find Patent Forward Citations

Loading…