[Bug 3260] Get Starforce copy protection working perfectly.

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=3260





------- Additional Comments From willie at froq.net  2005-15-11 20:43 -------
SF3 really seems to use the driver to access the disc. It uses a rather 
strange (but clever) mechanism to check the media. To quote filesplit.org: 
 
"StarForce3 uses different checks (angular values). If these values are the 
same that Starforce3 checks, then the copy will run flawlessly, otherwise it 
won’t work. 90% of CD-R media when burned have these values shifted and 
StarForce3 recognises this and prevents the software from loading." 
 
AFAIK, each lot of CDs pressed gets scanned using special software that 
creates a serial number based on the angular values. The values are different 
for each stencil (correct word? - the 'stamp' used to press the CD/ DVD). This 
number is the CD key that ships with the game, and is used to decrypt parts of 
the game (every part of the game could be encrypted that way, including data 
files). Which means each lot has the same key, or they create a unique serial 
number that contains the key (if needed for online play). 
 

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