Patent ID: 7827594
Filing Date: 2010-11-02
Classification: H04N

Abstract:
1. A method for distribution of scrambled data and/or services to at least one master terminal and to at least one slave terminal linked with the master terminal, the method comprising: transmitting by a central management module to the master terminal a first secret code S storing the first secret code S for each use of a slave terminal by a user, checking whether the first secret code S when the first secret code S when the first secret code S authorizing the reception of the scrambled data and/or services by the slave terminal, when the first secret code S prohibiting the reception of the scrambled data and/or services by the slave terminal, when the first secret code S defining a first type of entitlement management messages to transmit the first secret code to the master terminal, and defining a second type of entitlement management messages to transmit the second secret code to each slave terminal; and transmitting the first secret code to the master terminal within said first type of entitlement management messages (EMMm) and transmitting the second secret code to each slave terminal within said second type of entitlement management messages (EMMs).