Method and apparatus for portably binding license rights to content stored on optical media
US11086971B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2019 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Sep 27, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/101
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
There is provided a method to playback content in a ROM having a ROM ID. The method includes copying the content from the ROM to a RAM having a RAM ID, copying the ROM ID to a memory accessible to a RAM controller, transmitting a license request from the RAM controller to a license server, the license request comprising a RAM controller ID, the ROM ID and a request for a content license to play back the content from the RAM; receiving the content license including a right for the playback of the content from the RAM, and a content key, decrypting the content license by the RAM controller, according to the RAM controller secret associated with the RAM controller ID, to recover and provide the content key to a playback module, decrypting the content using the content key to generate a decrypted content, and playing back the decrypted content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.