Transcryption of digital content between content protection systems
US7376976B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2006 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | May 31, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/1063
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Technology for protecting a digital content including a first content protection system capable of decrypting the digital content, the digital content including an inclusion list; a linkable library providing access for an application to the functionality of the first content protection system, the application including a second content protection system; and a means for evaluating the second content protection system to determine if the second content protection system is on the inclusion list.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.