H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/16 (2006.01) G06T 9/00 (2006.01) H04N 7/167 (2006.01)
Patent
CA 2284014
A smartcard for use with a receiver of encrypted broadcast signals comprises a microprocessor for enabling or controlling decryption of said signals. A memory is coupled to the microprocessor. The microprocessor is adapted to enable or control the individual decryption of a plurality of such signals from respective broadcast suppliers of such signals by means of respective dynamically created zones in the memory, the dynamically created zones each being arranged to store decryption data associated with a respective one of said broadcast suppliers.
Carte à puce utilisable avec un récepteur de signaux de radiodiffusion chiffrés. La carte à puce comporte un microprocesseur pour autoriser ou commander le décryptage de ces signaux. Une mémoire est couplée au microprocesseur. Le microprocesseur permet d'autoriser ou de commander le décryptage individuel d'une pluralité de signaux de radiodiffusion chiffrés provenant des diffuseurs respectifs, au moyen de zones respectives créées de manière dynamique dans la mémoire, chacune de ces zones étant conçue pour mémoriser des données de décryptage associées au diffuseur respectif.
Benardeau Christian
Maillard Michel
Canal + Societe Anonyme
Fetherstonhaugh & Co.
LandOfFree
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