Title:
情報処理装置、ディスク、および情報処理方法、並びにプログラム
Document Type and Number:
Japanese Patent JP5018494
Kind Code:
B2
Abstract:
An information processing apparatus for controlling use of a content recorded on a disc. The information processing apparatus includes: in reference to a certificate revocation list including invalidation information of a content owner providing the content, a data verification section verifying whether content-owner identification recorded in a content-owner certificate recorded on the disc as a certificate corresponding to the content owner is included in the certificate revocation list, and if included, the data verification section comparing a content-certificate time stamp which is stored in the content certificate recorded on the disc as a certificate corresponding to the content and a CRL time stamp which is invalidation date-and-time information corresponding to the content owner stored in the certificate revocation list; and a content-use control section prohibiting or restricting use of the content if the content-certificate time stamp has date-and-time data not earlier than the CRL time stamp.
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Inventors:
Kenjiro Ueda
Muramatsu Katsumi
Muramatsu Katsumi
Application Number:
JP2008006607A
Publication Date:
September 05, 2012
Filing Date:
January 16, 2008
Export Citation:
Assignee:
ソニー株式会社
International Classes:
G06F21/62; G06F21/64; G06Q10/00; G06Q30/06; G06Q50/00; G06Q50/10; H04L9/08
Domestic Patent References:
| JP2006522504A | ||||
| JP2001022271A | ||||
| JP2004157703A | ||||
| JP2003533940A |
Attorney, Agent or Firm:
Masaaki Miyata
Eiji Yamada
Toshio Sawada
Eiji Sasaki
Eiji Yamada
Toshio Sawada
Eiji Sasaki