Self-protecting documents
US6763464B2 · kind B2 · utility
23Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Oct 28, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2151
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method for the secure distribution of electronic documents reduces the likelihood of unauthorized reproduction and redistribution by either authorized or unauthorized recipients. A self-protecting document (SPD) contains an encrypted document as well as a secure set of permissions and the software necessary to process the document; full decryption of the document is performed as late as possible so as to minimize the possibility of intercepting the document before it has been fully rendered to screen or to paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.