Self-contained electronic signature
US8868916B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 30, 2011 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Mar 27, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/72
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Techniques for providing a self-contained electronic signature are disclosed. In some embodiments, techniques for providing a self-contained electronic signature include recording an audit trail for a plurality of events associated with an electronic signature of an electronic document; embedding the audit trail in the electronic document; and digitally signing the electronic document, in which the electronic document including the embedded audit trail and the electronic signature are secured by the digital signature. In some embodiments, the audit trail is embedded in metadata of the electronic document, a body of the electronic document, or both the metadata and body of the electronic document. In some embodiments, digitally signing the electronic document includes a certifying signature provided by a service provider of an electronic signature service.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.