Compression and decompression technique for DRM license information delivery

Techniques for compressing and decompressing license information for Digital Rights Management are described. A method implementation of a technique of creating for a plurality of client devices or client device groups compressed license information comprises the steps of creating a template and a t...

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Bibliographic Details
Main Author CATREIN, DANIEL
Format Patent
LanguageEnglish
French
German
Published 17.09.2014
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Techniques for compressing and decompressing license information for Digital Rights Management are described. A method implementation of a technique of creating for a plurality of client devices or client device groups compressed license information comprises the steps of creating a template and a table. The table comprises at least one first license part common to licenses for the plurality of client devices or client device groups and one or more placeholders for one or more second license parts specific for a dedicated client device or client device group. The table comprises, for each client device or client device group and for a given placeholder, replacement information specific for that client device or client device group. The method further comprises sending the template and table for delivery as compressed license information to the client devices or client device groups.
Bibliography:Application Number: EP20110774001