Patent ID: 8724807
Filing Date: 2014-05-13
Classification: G11B,H04N

Abstract:
1. Method of receiving and securely recording digital data representative of a multimedia content on a secured disk, the method comprising the steps of: recovering a disk key from the secured disk according to a data protection system for recordable media, wherein the disk is secured by said data protection system for recordable media; recording comprising the following steps: recording said digital data on the secured disk by a recorder/receiver belonging to a determined secured domain having several equipment items and defined by a first domain identifier according to a data protection system in a domain, said first domain identifier being specific to all the equipment of the determined secured domain; recording the first domain identifier of the recorder/receiver on the secured disk by said recorder/receiver belonging to said secure domain so as to define said determined secured domain as the only domain in which the reproduction/copying of the multimedia content is authorized; secured provisioning of said recorded digital data, in a specific secured domain defined by a second domain identifier according to the data protection system in a domain, from an access device for accessing the specific secured domain having means of storing the second domain identifier of said specific secured domain, the secured provisioning further comprising: wherein the first domain identifier is encrypted by said disk key and the recorded digital data is scrambled by title keys, said title keys being encrypted by said disk key.