Title:
コピープロテクト方法、コンテンツ再生装置およびICチップ
Document Type and Number:
Japanese Patent JP5217541
Kind Code:
B2
Abstract:
An IC chip that can be added to a content recording medium and that has a chip ID which is non-rewritably and uniquely set and originally recorded therein, wherein the IC chip includes a writable/readable ID memory that stores an encrypted content ID obtained by encrypting a content ID that identifies content, and an encrypted chip ID obtained by encrypting the chip ID.
Inventors:
Sano Shoichi
Application Number:
JP2008069508A
Publication Date:
June 19, 2013
Filing Date:
March 18, 2008
Export Citation:
Assignee:
富士通株式会社
International Classes:
G06F21/62; G06F21/10; G11B7/005; G11B7/007; G11B20/10; H04N5/85; H04N5/91
Domestic Patent References:
| JP2003058840A | ||||
| JP2004046452A | ||||
| JP96016401A1 | ||||
| JP2003123401A | ||||
| JP2004199178A | ||||
| JP2006099262A | ||||
| JP2006268513A |
Attorney, Agent or Firm:
Atsushi Aoki
Koichi Itsubo
Higuchi Souji
Ryu Kobayashi
Koichi Itsubo
Higuchi Souji
Ryu Kobayashi