Method and system of forming and using virus free document certificate

Application Number  00129486 Application Date  2000.12.29
Publication Number  1303049 Publication Date  2001.07.11
Priority Information   2000/1/6 EP 00480006.6  
Applicant(s) Name  IBM Corp.  
Inventor(s) Name  J.-F. Lurpengny;O. Herikout;J. Feiyesko  
Patent Agency Code  72001 Patent Agent  wu limeng
AbstractA method and system are disclosed for generating and using a virus-free file certificate. The method includes the steps of: receiving a virus-free certificate request for a file; determining whether the file is virus-free or not; if the file is declared virus-free: generating a virus-free certificate including a file signature for certifying that said file is declared virus-free by the virus-free certificate authority; sending back the virus-free certificate. The method, for use in a server or client system, includes the steps of: determining whether a virus-free certificate is associated with a file; if a virus-free certificate is associated with the file: authenticating the virus-free certificate, said virus-free certificate including a certificate signature; authenticating the file, said virus-free certificate and said file signature.