Methods and apparatus for secure distribution of program content
US7469345B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2002 |
| Grant date | Dec 23, 2008 |
| Priority date | — |
| Expiry date | Jan 17, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2137
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus in accordance with the present invention are operable to carry out certain functions including: receiving an encrypted program at a processing apparatus; transmitting at least some identification information related to the processing apparatus over a network to an administrator; receiving an encrypted decryption key at the processing apparatus over the network from the administrator in response to the at least some identification information; decrypting the encrypted decryption key; decrypting the encrypted program using the decryption key; re-encrypting the program using at least some of the identification information ; and storing the identification information and the re-encrypted program in a first storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.