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A method and system for storing a file on a portable device includes a central location 100 generating a seed in response to a unique portable device identifier, a storage device 32 having an interface wherein the storage device 32 stores the seed therein. A portable media player 36 is in communicat

A method and system for storing a file on a portable device includes a central location 100 generating a seed in response to a unique portable device identifier, a storage device 32 having an interface wherein the storage device 32 stores the seed therein. A portable media player 36 is in communication with the storage device 32 through the interface. The storage device 32 transfers files to the portable media player 36 through the interface in response to the seed.

대표청구항 ▼

1. A method comprising: generating a seed in response to registering a portable device at a central location;broadcasting the seed from the central location to at least one set top box having a storage device having a file stored therein;storing the seed in the storage device;transferring the file t

1. A method comprising: generating a seed in response to registering a portable device at a central location;broadcasting the seed from the central location to at least one set top box having a storage device having a file stored therein;storing the seed in the storage device;transferring the file to the portable device in response to the seed stored in the set top box. 2. A method of claim 1 further comprising: generating a content key using the seed. 3. A method of claim 2 further comprising transferring the content key from the storage device to the portable device using a license for the file. 4. A method of claim 3 further comprising enabling playback of the file in response content key and the license. 5. A method of claim 2 wherein the content key is encrypted with a public key. 6. A method of claim 1 further comprising: deauthorizing a storage device by deleting the seed. 7. A method of claim 1 wherein storing comprises securely storing the seed. 8. A method of claim 1 wherein broadcasting comprises securely broadcasting the seed. 9. A method of claim 1 wherein generating a seed comprises generating the seed in response to a portable device identifier and wherein broadcasting comprises securely broadcasting the seed from a central location. 10. A method of claim 9 wherein the portable device identifier comprises a unique identifier. 11. A method of claim 10 wherein the unique identifier comprises a serial number. 12. A method of claim 1 wherein the portable device comprises a portable media player. 13. A method of claim 1 wherein the portable device comprises a computer. 14. A method as recited in claim 1 wherein the storage device is associated with a satellite television receiving device. 15. A method comprising: registering a portable device using a unique identifier;associating the device with at least one set top box;generating a seed;broadcasting the seed to the at least one set top box;storing the seed in the at least one set top box; andtransferring files to the portable device in response to the seed stored in the at least one set top box. 16. A method of claim 15 further comprising: generating a content key using the seed. 17. A method of claim 16 transferring the content key to the portable device using a license for the file. 18. A method of claim 17 further comprising enabling playback of the file in response content key and the license. 19. A method of claim 15 further comprising: deauthorizing the at least one set top box by deleting the seed. 20. A method of claim 15 wherein generating a seed comprises generating the seed in response to the unique identifier and wherein broadcasting comprises securely broadcasting the seed from a central location. 21. A method of claim 15 wherein the unique identifier comprises a serial number. 22. A method of claim 15 wherein the portable device comprises a portable media player. 23. A method of claim 15 wherein the portable device comprises a computer. 24. A method as recited in claim 15 wherein the seed comprises a random seed. 25. A method comprising: registering a portable device;associating the device with a plurality of set top boxes;generating a random seed at a central location;securely broadcasting the seed to the plurality of set top boxes;securely storing the seed in the plurality of set top boxes;enabling a transfer of a file to the portable device from at least one of the plurality of set top boxes in response to the seed; andthereafter, transferring the file. 26. A method as recited in claim 25 wherein transferring a license to a file, enabling or disabling playback of a file in response to said license. 27. A method of claim 25 wherein the portable device comprises a portable media player. 28. A method of claim 25 wherein the portable device comprises a computer. 29. A system comprising: a central location generating a seed in response to a unique portable device identifier;a storage device having an interface, said storage device storing the seed therein; anda portable media player in communication with the storage device through the interface;said storage device transferring files to the portable media player through the interface in response to the seed. 30. A system as recited in claim 29 further comprising a set top box and wherein the storage device is associated with the set top box. 31. A system as recited in claim 29 further comprising a satellite television set top box and wherein the storage device is associated with the satellite television set top box. 32. A system as recited in claim 29 wherein the interface comprises a wired interface. 33. A system as recited in claim 32 wherein the wired interface comprises a USB interface. 34. A system as recited in claim 32 wherein the wired interface comprises an Ethernet interface. 35. A system as recited in claim 29 wherein the interface comprises a wireless interface. 36. A system as recited in claim 29 wherein the wireless interface comprises a local area network interface.