割り振られたデジタル権利管理システム及び方法

Title:

割り振られたデジタル権利管理システム及び方法

Document Type and Number:

Japanese Patent JP2011523479

Kind Code:

A

Abstract:

A digital rights management system includes an authentication module and a decryption module. If desired, the modules can be implemented in separate integrated circuits. The authentication module retrieves authentication information for protected content and powers down after the authentication information is retrieved. The decryption module decrypts the protected content based on the authentication information while the authentication module is powered down.

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Inventors:

Orwindos Remedios
Stefan Scheller
Mark Baptist
Satyajit Patni

Application Number:

JP2011509553A

Publication Date:

August 11, 2011

Filing Date:

May 04, 2009

Export Citation:

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Assignee:

ADVANCED MICRO DEVICES INCORPORATED
ATI TECHNOLOGIES ULC

International Classes:

G06F1/32; G06F1/26; G06F21/24

Domestic Patent References:

JP2002318589A	2002-10-31
JP2006129323A	2006-05-18
JPH04195619A	1992-07-15

Foreign References:

WO2005013273A1

2005-02-10

Attorney, Agent or Firm:

Yuji Hayakawa
Ryota Sano
Keisuke Murasame

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