| 摘要 |
The present invention relates to an interface module for a host ( 2 ) such as a digital television decoder, permitting the processing of information coming from the host ( 2 ) in a conditioned manner subject to a conditional access system ( 11 ), comprising authorization means ( 7 ) by which the user justifies his access rights. The module has at least one means ( 8 ) for identifying the authorization means ( 7 ); means ( 10 ) for storing a plurality of conditional access systems ( 11 ), processing means ( 9 ) adapted to process the information coming from the host ( 2 ) utilizing the conditional access system ( 11 ) corresponding to the authorization means ( 7 ) identified by the identification means ( 8 ), permitting to exploit a plurality of conditional access systems ( 11 ) within the same module The invention also relates to a decoder and a method adapted to be performed by the interface module For use in digital television decoders
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