Updating usage conditions in lieu of download digital rights management protected content
US7110984B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2000 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Jun 29, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/102
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method on an end user system for creating additional copies onto at least one computer readable medium such as CDs, DVDs, ZipDisks™, tape, Flash memory, and RAM. The method comprising the steps of: receiving encrypted content with associated usage conditions and a first hash value; receiving a selection from an end user to create at least one copy of the encrypted content onto at least one computer readable medium; sending a request to an online electronic store of the encrypted content selected to be copied; receiving from the electronic store a description of the content selected to be copied along with a second hash value; and determining if the first hash value received is identical to the second hash value and if the first hash and the second hash value is identical authorizing the creating additional copies onto at least one computer readable medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.