Conditional access for functional units
First Claim
1. A method for controlling access to a functional unit within a set top box, comprising:
- receiving first information comprising a plurality of functional unit identifiers and one or more tier requirements respectively related to each functional unit identifier;
receiving second information comprising tier rights;
correlating the functional unit identifiers to their respective tier requirements;
interacting with the functional unit;
determining if the respective tier requirements are satisfied by the tier rights; and
authorizing further interaction with the functional unit.
2 Assignments
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Accused Products
Abstract
The invention relates to controlling functional units within a conditional access system. In one embodiment, a method for controlling access to a functional unit within a set top box is described. In one step, first information comprising a plurality of functional unit identifiers and one or more tier requirements respectively related to each functional unit identifier is received. Second information comprising tier rights is also received. The functional unit identifiers are correlated to their respective tier requirements. The functional unit is interacted with. It is determined if the respective tier requirements are satisfied by the tier rights. Further interaction with the functional unit is authorized.
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Citations
21 Claims
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1. A method for controlling access to a functional unit within a set top box, comprising:
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receiving first information comprising a plurality of functional unit identifiers and one or more tier requirements respectively related to each functional unit identifier;
receiving second information comprising tier rights;
correlating the functional unit identifiers to their respective tier requirements;
interacting with the functional unit;
determining if the respective tier requirements are satisfied by the tier rights; and
authorizing further interaction with the functional unit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A conditional access system for controlling access to functional units, comprising:
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a set top box;
a functional unit associated with the set top box;
a requirements message comprising a functional unit identifier and one or more tier requirements related to the functional unit identifier, wherein the functional unit identifier is associated with the functional unit;
a rights message comprising one or more tier rights; and
an authorization function that compares each of the one or more tier requirements against the one or more tier rights in order to authorize use of the functional unit. - View Dependent Claims (9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21)
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15. A method for controlling access to remotely-located and functional units within a conditional access system, comprising:
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determining first and second information to modify authorization of a remotely-located and functional unit;
sending the first information comprising a functional unit identifier and at least one tier requirement related to the functional unit identifier;
sending the second information comprising a tier right; and
causing modification of an authorization state of the remotely located functional unit corresponding to the functional unit identifier.
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Specification