| 摘要 |
<p>The method involves processing control message flow, in case of existence of rights for access to encrypted data, in a manner to extract control words (CW) permitting decryption of encrypted data. An ordered list of channels accessible by a subscriber is established. A control message flow (ECM) is received according to the list of the accessible channels, where the messages comprise the control word permitting to decrypt data of an encrypted data flow corresponding to an adjacent channel. The control message flow is processed to extract the control words and the control words are stored.</p> |
