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SafeDisc
''SafeDisc'' is a copy protection program for Microsoft Windows applications and games that are distributed on optical disc. Created by Macrovision Corporation, it aims to hinder unauthorized disc duplication.
Although the stated use is to prevent piracy, many, including the Electronic Frontier Foundation, believe it is used to restrict one's fair-use rights.〔(Electronic Frontier Foundation's website's DRM section )〕〔Commentary by Fred Lohmann of the EFF, "So this is just another example of the way in which the MPAA companies use DRM not to stop piracy...but rather to control those who make devices that play movies." (emphasis added) ()〕
==History==
There have been several editions of SafeDisc over the years. Each one has the goals of making discs harder to copy. The current revision is marketed as SafeDisc Advanced.
The early versions of SafeDisc did not make the discs very difficult to copy. Recent versions 2.9+ can produce discs that are difficult to copy or reverse engineer, requiring specific burners capable of emulating the "weak sectors" and odd data formats that are characteristic of SafeDisc.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「SafeDisc」の詳細全文を読む
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