The present invention proposes a method for managing rights of subscribers to a pay-television system comprising an access control system to which are connected subscriber management systems each managed by an operator and a plurality of subscriber decoders, said decoders each being equipped with a security module containing the rights for each subscriber allowing him the decryption of encrypted digital data of a stream broadcasted by at least one operator, during a modification of the rights carried out by an operator in the security module of a subscriber, the control access system receives data identifying a subscriber with modification commands of rights of said subscriber coming from a subscriber management system of an operator, generates a management message containing the modified rights and transmits said message to the security module of the subscriber via the stream containing the encrypted data, said method comprising the step of verification of the modifications according the properties and the available resources of the security module and the step of generation of the management message containing the modified rights when the result of the comparison is positive.

 
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