专利名称：Managing traffic keys during a multi-media session
发明人：DOMINIQUE MULLER,EERO JYSKE,TONI
PAILA,PEKKA LAHTINEN,TIMO KARRAS
申请号：AU2005264020
申请日：20050701
公开号：AU2005264020C1
公开日：
20090122
专利内容由知识产权出版社提供
摘要：The present invention provides methods, apparatuses, and systems for delivering protected multi-media content to a receiving device. Portions of protected multi-media content and associated key information are inserted in a same time slice burst. Multi-media content is processed into a plurality of content datagrams, in which each content datagram is associated with a corresponding component. Key information may be processed as a keystream that is logically separate from the components. A content datagram may be encrypted with an associated key. A receiving device receives the time slice burst with the plurality of content datagrams and associated key datagrams of the keystream. The receiving device consequently decrypts the plurality of content datagrams. Also, key information may be processed as key datagrams that are included with at least one component, in which each component comprises an associated plurality of content datagrams.
session下载申请人：NOKIA CORPORATION
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