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发明授权
US09060096B2 Method and system for forming a content stream with conditional access information and a content file 有权
用条件访问信息和内容文件形成内容流的方法和系统

Method and system for forming a content stream with conditional access information and a content file
摘要：
A communication system includes a content repository 274 storing a content file and a video transport processing system 273 in communication with the content repository 274. The video transport processing system 273 receives a plurality of conditional access information, stores a relative time of arrival of each of the plurality of conditional access information and encrypts the content file using the plurality of conditional access information and the relative time of arrival to form an encrypted content file.
摘要（中）：

通信系统包括存储与内容存储库274通信的内容文件和视频传输处理系统273的内容存储库274.视频传输处理系统273接收多个条件访问信息，存储每个的相对的到达时间 所述多个条件访问信息使用所述多个条件访问信息和所述相对到达时间对所述内容文件进行加密以形成加密的内容文件。

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