Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-021/00
H04N-021/462
G06F-021/10
H04N-007/16
H04N-021/254
H04N-021/4147
H04N-021/426
H04N-021/472
H04N-021/4782
H04N-021/6334
H04N-021/658
H04N-007/167
출원번호
US-0434528
(2006-05-15)
등록번호
US-8996421
(2015-03-31)
발명자
/ 주소
Kahn, Raynold M.
Dulac, Stephen P.
Basse, Hanno
Klauss, Peter M.
Kidd, Deanna R.
Popoli, Maria G.
출원인 / 주소
The DIRECTV Group, Inc.
인용정보
피인용 횟수 :
8인용 특허 :
255
초록▼
Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systems are disclosed. An example method includes generating a broadcast signal, receiving an authorization request to download a program from a receiver station, determining an authorization for
Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systems are disclosed. An example method includes generating a broadcast signal, receiving an authorization request to download a program from a receiver station, determining an authorization for the download and sending the authorization to a point-to-point content delivery server.
대표청구항▼
1. A system comprising: a transmitter to transmit a satellite broadcast signal receivable by a plurality of set-top boxes at respective ones of a plurality of customer premises;an interface including a circuit communicatively coupled to the transmitter to receive an authorization request from a firs
1. A system comprising: a transmitter to transmit a satellite broadcast signal receivable by a plurality of set-top boxes at respective ones of a plurality of customer premises;an interface including a circuit communicatively coupled to the transmitter to receive an authorization request from a first set-top box of the plurality of set-top boxes and to send a first public key and a private key to the first set-top box;an Internet-based content server communicatively coupled to the interface and to the first set-top box to receive first authorization data including a second public key from the interface, to receive from the first set-top box a content request for a video program, the content request including second authorization data based on the private key and the first public key and to, conditioned on the first authorization data and the content request, transmit the video program to the first set-top box via a terrestrial Internet protocol (IP) based signal; anda processor programmed to determine an authorization result based on the first and second authorization data. 2. A system as defined in claim 1, wherein the authorization request contains information identifying the first set-top box, and wherein the authorization result is determined based on the identifying information. 3. A system as defined in claim 1, wherein the authorization request is received via the Internet-based content server. 4. A system as defined in claim 3, wherein the conditional access system is to determine an encryption code, wherein the encryption code is included in the authorization result. 5. A system as defined in claim 1, wherein at least one of the processor or a second processor is programmed to determine at least one of an encryption code or a seed, and wherein the interface is to send the least one of the encryption code or the seed to the first set-top box. 6. A system as defined in claim 1, wherein the authorization result is signed with a signature. 7. A system as defined in claim 6, wherein the signature is based on at least one of a secret key or a private signing key. 8. A system as defined in claim 1, wherein at least one of the processor or a second processor is programmed to determine the private key and the public key, and wherein the authorization request comprises a client registration. 9. A system as defined in claim 1, wherein at least one of the processor or a second processor is programmed to receive a download report from at least one of the first set-top box or the Internet-based content server. 10. A system as defined in claim 1, wherein the first set-top box comprises at least one of a home media center, a residential gateway, a home media server, a digital video recorder, a video cassette recorder, a personal computer, a game playing console, a television, a satellite receiver, or a cable television receiver. 11. A method comprising: transmitting from a satellite broadcast system headend a satellite broadcast signal receivable by a plurality of set-top boxes at respective ones of a plurality of customer premises;receiving at the satellite broadcast system headend from a first set-top box of the plurality of set-top boxes an authorization request;sending from the satellite broadcast system headend to the first set-top box a first public key and a private key;determining using a processor at the satellite broadcast system headend first authorization data including a second public key;sending the first authorization data from the satellite broadcast system headend to a point-to-point content delivery server;receiving at the point-to-point content delivery server from the first set-top box a content request for a video program, the content request including second authorization data based on the first public key and the private key; andbased on the first authorization data and the content request, sending from the point-to-point content delivery server to the first set-top box the video program via a terrestrial Internet protocol (IP) based signal. 12. A method as defined in claim 11, wherein the authorization request contains information identifying the first set-top box, and wherein the authorization is determined based on the identifying information. 13. A method as defined in claim 11, wherein the authorization request is received via the point-to-point content delivery server. 14. A method as defined in claim 13, further comprising: determining an encryption secret; andsending the encryption secret to the point-to-point content delivery server. 15. A method as defined in claim 14, further comprising: determining a seed, wherein the encryption secret is determined from the seed; andsending the seed to the first set-top box. 16. A method as defined in claim 14, further comprising sending the encryption secret to the first set-top box. 17. A method as defined in claim 11, further comprising signing the authorization result. 18. A method as defined in claim 11, wherein the authorization is sent to the point-to-point content delivery server via the first set-top box. 19. A method as defined in claim 11, wherein the authorization request comprises a client registration. 20. A method as defined in claim 19, further comprising receiving a download report from at least one of the first set-top box or the point-to-point content delivery server. 21. A method as defined in claim 11, wherein the first set-top box comprises at least one of a home media center, a residential gateway, a home media server, a digital video recorder, a video cassette recorder, a personal computer, a game playing console, a television, a satellite receiver, or a cable television receiver. 22. A tangible article of manufacture storing machine readable instructions which, when executed, cause a machine to control a satellite broadcast system headend and a point-to-point content delivery system to: transmit from the satellite broadcast system headend a satellite broadcast signal receivable by a plurality of set-top boxes at respective ones of a plurality of customer premises;receive at the satellite broadcast system headend from a first set-top box of the plurality of set-top boxes an authorization request;send from the satellite broadcast system headend to the first set-top box a first public key and a private key;determine at the satellite broadcast system headend first authorization data including a second public key;send the first authorization data from the satellite broadcast system headend to the point-to-point content delivery server;receive at the point-to-point content delivery server from the first set-top box a content request for a video program, the content request including second authorization data based on the first public key and the private key; andbased on the first authorization data and the content request, sending from the point-to-point content delivery server to the first set-top box the video program via a terrestrial Internet protocol (IP) based signal. 23. A tangible article of manufacture in claim 22, wherein the authorization request is received via the point-to-point content delivery server. 24. A tangible article of manufacture as defined in claim 23, further comprising: determining an encryption secret; andsending the encryption secret to the point-to-point content delivery server. 25. A tangible article of manufacture as defined in claim 24, wherein the machine readable instructions, when executed, cause the machine to send the encryption secret to the first set-top box. 26. A tangible article of manufacture as defined in claim 24, wherein the machine readable instructions, when executed, cause the machine to: determine a seed, wherein the encryption secret is determined from the seed; andsend the seed to the first set-top box. 27. A tangible article of manufacture in claim 22, wherein the machine readable instructions, when executed, cause the machine to sign the second authorization data. 28. A tangible article of manufacture in claim 22, wherein the authorization request is a client registration.
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