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:
Oct. 15, 2019
Filed:
Jul. 17, 2014
Sony Corporation, Tokyo, JP;
Koichi Sakumoto, Tokyo, JP;
Taizo Shirai, Kanagawa, JP;
Yohei Kawamoto, Tokyo, JP;
Yu Tanaka, Tokyo, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
To be capable of guaranteeing security without dependency on a distance of wireless communication while maintaining convenience of a key apparatus, there is provided an information processing apparatus including: a key storage unit configured to retain one or more secret keys corresponding to one or more respective public keys; and a key use permission state storage unit configured to store presence or absence of use permission of each of the one or more secret keys. For at least any of the one or more secret keys, a switch between the presence and absence of the use permission stored by the key use permission state storage unit is possible.