H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 9/00 (2006.01) H04L 29/06 (2006.01)
Patent
CA 2479227
The present invention reduces the exposure of keying material to intermediary devices in a communication channel between first and second servers. In one embodiment(100), a second server receives a first half of media stream keys from a first server. The second server uses a Kerberos-based Application Request and tickets to communicate the second half of the media stream keys to the first server. Using this approach, the exposure of the media stream keys is reduced to only the servers.
la présente invention permet de réduire l'exposition du matériel de codage à des dispositif s intermédiaires dans un canal de communication entre un premier et un second serveurs. Dans un mode de réalisation (100), un second serveur reçoit une première moitié de clés de trains de média d'un premier serveur. Un second serveur utilise une demande d'application à base Kerberos et des tickets pour communiquer la seconde moitié des clés de trains de média au premier serveur. Ainsi, l'exposition des clés de trains de média se trouve réduite aux seuls serveurs.
General Instrument Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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