Abstract:
Access of a first device, communicating with a second, portable device, to digital content is controlled by authentication of the first device by a remote server; upon successful authentication of the first device by the remote server, securely providing by the remote server credentials to the portable device, the credentials enabling the portable device to authenticate the first device; securely providing by the remote server rights objects to the portable device, the rights objects comprising usage rights and information which is necessary to access the content; authentication of the first device by the portable device using the credentials received from the remote server; and, upon successful authentication of the first device by the portable device, delivering by the portable device to the first device the information which is necessary to access the content.
Abstract:
The invention relates to a personal token (20) for playing Digital Rights Content on a mobile rendering device (10), the personal token (20) comprising a service key (SEKsim) for contributing to decryption of a traffic key which encrypts the Digital Rights content, the personal token (20) also storing a service key (SEKhandset) for the handset and delivering such service key (SEKhandset) to the handset for the handset to perform a contribution to decryption of the traffic key with the said service key (SEKhandset) of the handset. characterized in that the service key (SEKsim) of the personal token (20) remains secret to the handset.
Abstract:
The invention relates to a personal token (20) for playing Digital Rights Content on a mobile rendering device (10), the personal token (20) comprising a service key (SEKsim) for contributing to decryption of a traffic key which encrypts the Digital Rights content, the personal token (20) also storing a service key (SEKhandset) for the handset and delivering such service key (SEKhandset) to the handset for the handset to perform a contribution to decryption of the traffic key with the said service key (SEKhandset) of the handset. characterized in that the service key (SEKsim) of the personal token (20) remains secret to the handset.