发明名称 SYSTEM AND METHOD FOR DRM REGIONAL AND TIMEZONE KEY MANAGEMENT
摘要 <p>A cryptographic media stream system for ensuring media stream content is only consumed in authorized regions. The system includes at least one encryption/decryption key source configured to provide at least one of a regional key and a timezone key, where the regional key and the timezone key are globally unique keys, a media encryption engine that receives an unencrypted media stream and encrypts the encrypted media stream, and a media decryption engine that receives the encrypted media stream, and decrypts the encrypted media stream in response to at least one of the regional key and the timezone key.</p>
申请公布号 WO2006091304(A2) 申请公布日期 2006.08.31
申请号 WO2006US02326 申请日期 2006.01.24
申请人 COMCAST CABLE HOLDINGS, LLC;FAHRNY, JAMES, WILLIAM;COMPTON, CHARLES 发明人 FAHRNY, JAMES, WILLIAM;COMPTON, CHARLES
分类号 G06Q99/00 主分类号 G06Q99/00
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