DATA DISC MODULATION FOR MINIMIZING PIRATING
专利汇可以提供DATA DISC MODULATION FOR MINIMIZING PIRATING专利检索，专利查询，专利分析的服务。并且The present invention relates to a method and system for authenticating a media and/or the data stored on the media in order to prevent piracy and/or unauthorized access and/or unauthorized copying of the data stored on the media, including CDs and DVDs. According to the present invention, there are three ways that authentication keys can be formed and remain hidden without being transferred in the audio/video. These three methods are employed using conventional hardware and/or software in CD or DVD players, which may optionally be modified. Each method of producing authentication keys according to the present invention is a function of the physical characteristics of a disc that does not normally travel with the audio or video or graphics data. Authentication systems of the present invention optionally encompass singular, multiple or multi-level authentication systems, each of which successively must be deciphered before the audio/video is finally available, or, alternatively where each key component must be found in order to build the whole key to perform the entire decryption or authentication process.，下面是DATA DISC MODULATION FOR MINIMIZING PIRATING专利的具体信息内容。
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