Method and system for secure distribution and utilization of data over a network
US8055769B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2007 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | May 10, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of securely utilizing downloaded data includes the steps of opening a media player; opening a data file; requesting a portable token from and used by a client, the portable token being a physical device removeably coupleable to a client computer; reading a distinguishing number from the token; and verifying a digital message linking the data file to the token using the media player, the distinguishing number, and a private key in the token. The digital message is required to access the data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.