A method of partially encrypting streaming media according to an embodiment of the invention comprises: receiving media in a streaming-media format; partitioning the stream-formatted media into cloak data and non-cloak data; and encrypting the cloak data such that less than all of the stream-formatted...http://www.google.fr/patents/US20040028227?utm_source=gb-gplus-shareBrevet US20040028227 - Partial encryption of stream-formatted media
Numéro de demande: 10/214,101 Numéro de publication: US 2004/0028227 A1 Date de dépôt: 8 août 2002 Brevet délivré: US7167560 ( Date de délivrance 23 janv. 2007)
