Method and system for generating and using a virus free file certificate
US6928550B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2000 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Apr 22, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0823
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system are disclosed for generating and using a virus-free file certificate. The method, for use in a virus-free certificate authority (102), includes the steps of: receiving (300) a virus-free certificate request for a file from a server (101) or a client (100) system; determining (301) whether the file is virus-free or not; if the file is declared virus-free by the virus-free certificate authority (102): generating (303, 304) a virus-free certificate (200) including a file signature (207) for certifying that said file is declared virus-free by the virus-free certificate authority (102); sending (306) back in response to the virus-free certificate request the virus-free certificate (200). The method, for use in a server (101) or client (100) system, includes the steps of: determining (400) whether a virus-free certificate (200) is associated with a file; if a virus-free certificate is associated with the file: authenticating (404) the virus-free certificate (200), said virus-free certificate including a certificate signature (206); authenticating (407) the file, said virus-free certificate (200) including a file signature (207), said file signature certifying that sai…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.