情報処理装置、および情報処理方法、並びにコンピュータ・プログラム

Title:

情報処理装置、および情報処理方法、並びにコンピュータ・プログラム

Document Type and Number:

Japanese Patent JP5170229

Kind Code:

B2

Abstract:

To provide a configuration that improves content scrambling to prevent illegal use of the content.

A scrambling rule different by content is applied as content scrambling. For instance, a scrambling rule as scrambling processing information corresponding to a content stored in an information recording medium is descrambled by descrambling in a Java virtual machine built in a reproducing apparatus. A value to be applied to exclusive OR for descrambling and scramble position information are acquired from the scrambling rule. Exclusive OR operation is performed to execute descrambling corresponding to the scramble rule unique to the acquired content.

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Inventors:

Kenjiro Ueda
Muramatsu Katsumi
Takeo Oishi
Motoki Kato

Application Number:

JP2010277469A

Publication Date:

March 27, 2013

Filing Date:

December 13, 2010

Export Citation:

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Assignee:

ソニー株式会社

International Classes:

G06F21/62; G06F21/60; G09C1/00

Domestic Patent References:

JP10145773A
JP2001167518A
JP200680870A

Attorney, Agent or Firm:

Masaaki Miyata
Eiji Yamada
Toshio Sawada
Eiji Sasaki
Daido Patent Office

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