Invention Grant
US09178702B2 Revocation list generation device, revocation list generation method, and content management system
有权
撤销列表生成装置，撤销列表生成方法和内容管理系统
- Patent Title: Revocation list generation device, revocation list generation method, and content management system
- Patent Title (中): 撤销列表生成装置，撤销列表生成方法和内容管理系统
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Application No.: US13702137Application Date: 2012-04-17
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Publication No.: US09178702B2Publication Date: 2015-11-03
- Inventor: Masayuki Kozuka , Takahiro Yamaguchi , Toshihisa Nakano , Kaoru Murase , Motoji Ohmori , Makoto Morise , Masataka Minami
- Applicant: Masayuki Kozuka , Takahiro Yamaguchi , Toshihisa Nakano , Kaoru Murase , Motoji Ohmori , Makoto Morise , Masataka Minami
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- International Application: PCT/JP2012/002645 WO 20120417
- International Announcement: WO2012/144193 WO 20121026
- Main IPC: H04L9/32
- IPC: H04L9/32 ; H04L9/08 ; H04L29/06
Abstract:
Provided is a revocation list generation device that can suppress an increase in the amount of data of a revocation list. A revocation list generation device that generates a revocation list includes an acquisition unit that acquires, for a content, a revocation identifier identifying a revoked public key certificate allocated to an apparatus related to use of the content, a revocation list generation unit that generates a revocation list including the acquired revocation identifier associated with the content, and an output unit that outputs the revocation list.
Public/Granted literature
- US20130077791A1 REVOCATION LIST GENERATION DEVICE, REVOCATION LIST GENERATION METHOD, AND CONTENT MANAGEMENT SYSTEM Public/Granted day:2013-03-28
Information query
