Repurposing digitally signed information
US7353397B1 · kind B1 · utility
35Cited by
7References
63Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 2003 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Jul 29, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/76
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus, including computer program products, implement techniques for repurposing digital information. One or more repurposing constraints are associated with information in an electronic document. A digital signature is associated with the repurposable information and the repurposing constraints. The repurposable information can be repurposed and represented as signed information subject to the repurposing constraints.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.