Method and system for using a virus free file certificate

摘要

The present invention relates to computer virus and more particularly to a method and system for using a virus-free file certificate. The method, for use in a server (101) or client (100) system, comprises 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 comprising a certificate signature (206); authenticating (407) the file, said virus-free certificate (200) comprising a file signature (207), said file signature certifying that said file has been declared virus-free by a virus-free certificate authority (102).