Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR REJECTING PIRATED MEDIA, APPARATUS, PROGRAM, AND MEDIUM
Document Type and Number:
Japanese Patent JP2009093396
Kind Code:
A
Abstract:

To reject an unauthorized use when copyrighted software is copied to media having an information processing function and started from the copy media.

A method for rejecting pirated media has a decoding instruction step of decoding information specific to software, a master key decryption step of decrypting a "software ID encrypted by media key" recorded in a user-inaccessible area with a master key specific to hardware, a media key decryption step of decrypting the "software ID encrypted by media key" decrypted in the master key decryption step into a software ID with a media key embedded in advance in the software, a software ID determination step of determining whether the decrypted software ID matches a software ID embedded in advance in the software, and a stop step of stopping the operation of the software if the software IDs do not match in the software ID determination step.


Inventors:
TAKEUCHI TOSHIHIRO
Application Number:
JP2007263084A
Publication Date:
April 30, 2009
Filing Date:
October 09, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC CORP
International Classes:
G06F21/12; G06F21/14; G06F21/62; G06Q10/00; G06Q50/00; G06Q50/10; G09C1/00
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano