Digital signing method
US7770009B2 · kind B2 · utility
3Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2007 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Dec 4, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
According to the invention, techniques for authenticating that a digitally signed document is genuine. Specific embodiments according to the present invention can determine whether a digital signature was generated by a digital signature generator, or if the digital signature was generated by a third party posing as the digital signature generator. Specific embodiments can provide independent verification of digital signer identity based upon prior signed messages, time/date stamps, and the like. Techniques according to the present invention can be embodied in methods, apparatus, computer software and systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.