Digital rights management system and method
    4.
    发明公开
    Digital rights management system and method 有权
    Verfahren und vorrichtung zur verwaltung digitaler berechtigungen

    公开(公告)号:EP2267626A2

    公开(公告)日:2010-12-29

    申请号:EP10010130.2

    申请日:2002-02-21

    申请人: NDS Limited

    IPC分类号: G06F21/00

    摘要: A method for generating a signature for an end user device is disclosed. The end user device (180) comprises at least video display hardware (106) and video display software. The method comprises: processing video data by the video display hardware (106) and the video display software, thereby altering at least a portion of the video data according to a characteristic of at least one of the video display hardware (194) and the video display software to form altered data; forming the signature at the end user device (180) based, at least in part, on said altered data; generating a user profile for said end user device (180) using said signature; and transmitting said user profile to a headend (104) for use in uniquely protecting content to be sent to said end user device (180).

    摘要翻译: 公开了一种用于生成终端用户设备的签名的方法。 终端用户设备(180)至少包括视频显示硬件(106)和视频显示软件。 该方法包括:通过视频显示硬件(106)和视频显示软件处理视频数据,从而根据视频显示硬件(194)和视频中的至少一个的特性改变视频数据的至少一部分 显示软件以形成更改的数据; 至少部分地基于所述更改的数据在最终用户设备(180)处形成签名; 使用所述签名生成所述终端用户设备(180)的用户简档; 以及将所述用户简档发送到头端(104),用于唯一地保护要发送到所述最终用户设备(180)的内容。