System and method for secure broadcast
First Claim
1. A removable security device for communication with one or more subscriber stations that each have a unique identifier, said device comprising a medium for storing a user profile, said user profile including a second identifier for instructing said subscriber station to receive programming if said second identifier corresponds to said unique identifier.
1 Assignment
0 Petitions
Accused Products
Abstract
A novel system and method for secure communication is provided. In an embodiment, a satellite pay-tv system is provided that includes a head end office that broadcasts programming to one or more subscriber stations via satellite. The subscriber station includes a set top box operable to receive a smart card. The subscriber station is configured to only receive programming if the smart card contains a serial number that corresponds with the serial number of the subscriber station. Methods are provided for updating the smart card profile.
-
Citations
41 Claims
- 1. A removable security device for communication with one or more subscriber stations that each have a unique identifier, said device comprising a medium for storing a user profile, said user profile including a second identifier for instructing said subscriber station to receive programming if said second identifier corresponds to said unique identifier.
- 9. A receiver operable to communicate with a removable security device for storing an indicium, said receiver being operable to present data received by said receiver only if said indicium matches a criterion unique to said receiver.
-
13. A system for broadcasting comprising:
-
a transmitter operable to broadcast over a channel; and
a receiver operable to receive said broadcast over said medium, said receiver further operable to communicate with a removable security device that stores an indicium, said receiver only operating to present said received broadcast if said indicium meets a criterion local to said respective subscriber station. - View Dependent Claims (14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27)
-
-
20. The system according to 19 wherein a decryption key for said broadcast is stored on said removable security device and said decryption key is usable by said receiver to present said broadcast only if said indicium meets said criteria.
- 28. A removable security device for communication with one or more subscriber stations, said device comprising a medium for storing an indicium respective to one of said subscriber stations such that said respective subscriber will operate to receiving programming only if said indicium meets a criterion local to said respective subscriber station.
-
30. A method of receiving a broadcast comprising the steps of:
-
downloading a user profile from a removable security device that is in communication with a set-top box having a serial number;
presenting said broadcast only if said user profile includes an indicium that matches said serial number.
-
-
31. A method of initializing a set top box having a unique serial number comprising the steps of:
-
initializing said set-top box;
downloading a user profile from a smart card in communication with said set-top box;
determining if said user profile contains an indicium that matches said serial number, terminating said initialization if said indicium does not match said serial number, and, completing said initialization if said indicium matches said serial number. - View Dependent Claims (32, 33)
-
-
35. A method of updating a user profile stored on a smart card in communication with a set top box comprising the steps of:
-
transmitting, from said set top box, a request to update said user profile;
transmitting, from said set top box, said user profile to a bead end office;
determining, at said bead end office, whether said user profile contains an indicium that matches a serial number of said set top box;
terminating said method if said indicium does not match said serial number;
generating, at said head end office, an updated user profile based on said request;
transmitting, from said head end office, said updated user profile to said set top box; and
,storing said updated user profile on said smart card. - View Dependent Claims (36, 37, 38)
-
-
39. A set top box having a unique serial number comprising:
-
means for initializing said set-top box;
means downloading a user profile from a smart card in communication with said set-top box;
means for determining if said user profile contains an indicium that matches said serial number;
means for terminating said initialization if said indicium does not match said serial number; and
,means for completing said initialization if said indicium matches said serial number. - View Dependent Claims (40, 41)
-
Specification