Client device and local station with digital rights management and methods for use therewith
US8996862B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 2013 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | May 21, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/60
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A current version certificate is stored that includes a corresponding current version identifier. A current instance certificate is received from the certificate authority, wherein the current instance certificate includes the current version identifier of the current version certificate and a current instance public key corresponding to the current instance private key. The current instance certificate is sent to a local station, during a registration with the local station. A request is generated and sent to the local station. First encrypted data is received from the local station, wherein the first encrypted data includes a content key that is encrypted via the current instance public key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.