摘要 |
<p>A client, method and system for registering a DRM client is disclosed. The method (100) includes the steps of: initiating (110) a registration request via a DRM client with an encrypted registration message including an asymmetric key cryptographic identity, a customer identifier and an application specific information (AINFO) field including a digital signature and a device certificate chain; validating (120) information in the application specific information (AINFO) field by a DRM registration server; and receiving (130) a registration response, the registration response being encrypted and including access information, to obtain content. Advantageously, this method provides an enhanced and reliable means of authentication.</p> |
申请人 |
GENERAL INSTRUMENT CORPORATION;MEDVINSKY, ALEXANDER,;MORONEY, PAUL,;SHAMSAASEF, RAFIE,;CHAN, TAT KEUNG,;NAKHIJIRI, MADJID F., |
发明人 |
MEDVINSKY, ALEXANDER,;MORONEY, PAUL,;SHAMSAASEF, RAFIE,;CHAN, TAT KEUNG,;NAKHIJIRI, MADJID F., |