Patent ID: 8595854

Claim:
A method of transforming recordable content protected in accordance with a conditional access system into content protected in accordance with a digital rights management system, the method comprising: receiving a content stream and one or more entitlement control messages associated with said content stream, at least one of said entitlement control messages comprising at least one first key for decrypting data in said content stream and recording information comprising first information indicating one or more events in said content stream to be recordable and second information for locating a server associated with the digital rights management system; selecting at least one recordable event; decrypting data packets associated with said selected event using said first key; providing a DRM key for encryption associated with said digital rights management system; encrypting at least part of said data packets under said DRM key; and generating and transmitting, to the server, a request for accessing and/or consuming the encrypted data packet stored on a storage medium, using the recording information in the at least one of the entitlement control messages.