In accordance with one embodiment, a method for storing a normal scrambled digital program is provided. The method includes receiving a scrambled program, and receiving a plurality of access requirements. Each access requirement can descramble the scrambled program. The method also includes selecting...http://www.google.fr/patents/US7039614?utm_source=gb-gplus-shareBrevet US7039614 - Method for simulcrypting scrambled data to a plurality of conditional access devices
Method for simulcrypting scrambled data to a plurality of conditional access ...
