System and method for using a portable security device to cryptograhically sign a document in response to signature requests from a relying party to a digital signature service
US9065823B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2011 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Mar 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
(EN)A system, method and computer-readable storage medium with instructions for operating a digital signature server and a portable security device to cooperate to provide digital signature services using a private key stored on the portable security device by delegating to a user's smart card the actual task of digitally signing documents. Other systems and methods are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.