method for providing at least one content stream to an electronic device by applying digital rights management, communication system, electronic device configured to receive at least one content stream, and, computer program

摘要

METHOD FOR PROVIDING AT LEAST ONE CONTENT FLOW TO AN ELECTRONIC DEVICE APPLYING DIGITAL RIGHTS MANAGEMENT, COMMUNICATION SYSTEM, CONFIGURED ELECTRONIC DEVICE TO RECEIVE AT LEAST ONE CONTENT FLOW, AND The invention relates to a method, a system, an electronic device and a computer program for providing at least one content stream to an electronic device by applying Digital Rights Management (DRM). In the method, a master integrity key is obtained from the flow node. The encrypted master integrity key is obtained from an electronic device. The encrypted master integrity key is decrypted in the electronic device. At least one session integrity key is formed on the flow node and the electronic device using at least the master integrity key, and the integrity of at least one content stream is protected between the flow node and the electronic device using at least one master integrity key. least one session integrity key.