Method and system for controlling and filtering files using a virus-free certificate
First Claim
1. A method comprising the steps of:
- employing a virus-free certificate firewall in controlling and filtering files using a virus-free certificate including;
receiving a file;
if a virus-free certificate is required for the file, determining whether the a virus-free certificate is already associated with the file;
if a virus-free certificate is already associated with the file, authenticating the associated virus-free certificate, said virus-free certificate comprising a certificate signature;
if the virus-free certificate is authenticated, determining whether the file is virus-free or not;
if the file is virus-free, forwarding the file with the associated virus-free certificate;
if the virus-free certificate is not authenticated or if no virus-free certificate is associated with the file determining whether the file is virus-free or not;
if the file is virus-free, associating with the file a new virus-free certificate, and forwarding the file with the new virus-free certificate.
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Accused Products
Abstract
The present invention is directed to computer viruses and more particularly to a method and system for use in a virus-free certificate firewall, of controlling and filtering files using a virus-free certificate. An example embodiment of the method comprises the steps of: receiving a file; if a virus-free certificate (200) is required for the file: determining whether the a virus-free certificate is already associated with the file; if a virus-free certificate is already associated with the file: authenticating the associated virus-free certificate, said virus-free certificate comprising a certificate signature; if the virus-free certificate is authenticated, determining whether the file is virus-free or not; if the file is virus-free, forwarding the file with the associated virus-free certificate; if the virus-free certificate is not authenticated or if no virus-free, certificate is associated with the file; determining whether the file is virus-free or not, if the file is virus-free, associating with the file a new virus-free certificate; and forwarding the file with the new virus-free certificate.
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Citations
17 Claims
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1. A method comprising the steps of:
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employing a virus-free certificate firewall in controlling and filtering files using a virus-free certificate including;
receiving a file;
if a virus-free certificate is required for the file, determining whether the a virus-free certificate is already associated with the file;
if a virus-free certificate is already associated with the file, authenticating the associated virus-free certificate, said virus-free certificate comprising a certificate signature;
if the virus-free certificate is authenticated, determining whether the file is virus-free or not;
if the file is virus-free, forwarding the file with the associated virus-free certificate;
if the virus-free certificate is not authenticated or if no virus-free certificate is associated with the file determining whether the file is virus-free or not;
if the file is virus-free, associating with the file a new virus-free certificate, and forwarding the file with the new virus-free certificate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification