| 摘要 |
<p>The invention relates to a method for managing means for accessing conditionalaccess data, these data being broadcast to at least one multimedia unit. The accessmeans are managed by a management center and are associated with an item of timeinformation. The multimedia unit comprises at least one security module insideof which the means for accessing data are stored. The multimedia unit also comprisesremote means for communicating with the management center and local means forcommunicating with said security module. The inventive method is characterizedby comprising the following steps: determining, according to predeterminedtime intervals, via the security module, the next expiration for renewing theaccess means; if the next expiration for renewing the access means is nearer thana predefined period, sending, via the security module, a request to the multimediaunit requesting the renewal of the access means, this request using said localcommunication means; sending, via the multimedia unit, this request for renewingthe access means to the management center, this request using said remote communicationmeans; verifying, via the management center, if the multimedia unit is authorizedto renew the access means, and; in the event of a positive reply, sending a messagefor renewing the access means to said multimedia unit.</p> |
