Method and apparatus for content protection in a secure content delivery system
US7690039B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2004 |
| Grant date | Mar 30, 2010 |
| Priority date | — |
| Expiry date | Jun 9, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/102
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system for secure delivery of on-demand content over broadband access networks utilizes a pair of servers and security mechanisms to prevent client processes from accessing and executing content without authorization. A plurality of encrypted titles are stored on a content server coupled to the network. An access server also coupled to the network contains the network addresses of the titles and various keying and authorization data necessary to decrypt and execute a title. A client application executing on a user's local computer system is required to retrieve the address, keying and authorization data from the access server before retrieving a title from the content server and enabling execution of the title on a user's local computer system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.