Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2004-09-30
2009-08-25
Trammell, James P (Department: 3694)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C713S189000, C713S193000, C713S164000, C380S277000, C707S793000
Reexamination Certificate
active
07580894
ABSTRACT:
The invention discloses a method, device and computer program product for activating the right of use of at least one secured content item in a device. The method comprises providing a device with at least one unencrypted rights object, wherein the at least one rights object assigns the right of use of at least one secured content item. When the device is powered on for the first time, a device-resident program is executed and the program encrypts at least one rights object with a device-specific encryption key.
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Inget Virve
Vataja Timo
Badii Behrang
Fressola Alfred A.
Nokia Corporation
Trammell James P
Ware Fressola Van Der Sluys & Adolphson LLP
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