Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2007-07-24
2007-07-24
Backer, Firmin (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S050000, C705S051000, C705S052000, C713S190000, C713S194000, C717S152000
Reexamination Certificate
active
09525206
ABSTRACT:
Break-Once, Run-everywhere (BORE) resistant software configurations and digital goods and content distribution methods and arrangements are provided for use in computer systems and networks. An initial digital good is selectively divided into at least two portions. The first portion is provided to a destination computer, for example, via a CD ROM, floppy disk, or pre-loaded on a hard disk drive. The second portion is operatively modified within a source computer based on unique data associated with the destination computer. The modified second portion is then provided to the destination computer, for example, over a network, along with a key that can be used to operatively modify the first portion to be compatible with the modified second portion. The destination computer then modifies the first portion accordingly, and combines the modified first portion with the modified second portion to produce a modified digital good that is operatively different in configuration, but substantially functionally equivalent to the initial digital good. During subsequent initialization or operation, the modified digital good verifies that the destination computer is properly associated with the key and/or the unique data previously associated with the destination computer.
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Jakubowski Mariusz H.
Peinado Marcus
Venkatesan Ramarathnam
Backer Firmin
Lee & Hayes PLLC
Microsoft Corporation
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