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[FYI] US-A-5.848.161




http://www.patents.ibm.com/patlist?icnt=US&patent_number=5848161&x=34&
y=4

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                    US5848161: Method for providing secured commerical
                    transactions via a networked communications 
                    system

          Inventor(s):
                     Luneau; Greg , Winnipeg, MB, Canada 
                     Remillard; Jason , Winnipeg, MB, Canada 
                     King; Thomas , Villa Park, IL 60181-1416 

         Applicant(s):
                     none 

    Issued/Filed Dates:
                     Dec. 8, 1998 / May. 16, 1996 

   Application Number:
                     US1996000648876

          IPC Class:
                     H04L 009/00; 

             Class:
                     380/049; 380/024; 

      Field of Search:
                     380/23,24,25,28,30,29,49 

           Abstract:
                     In a networked communications system comprising a
                     client unit, a secured host server, and a company
                     subscriber unit, a method for providing secured
                     commercial transactions via the networked
                     communications system. The method includes the
                     steps of providing a secured transmission path
                     via the networked communications system between
                     the client unit and the secured host server,
                     presenting the client unit with an order form in
                     which commercial information is to be entered via
                     the secured transmission path, receiving the
                     commercial information transmitted via the
                     secured transmission path by the client unit at
                     the secured host server, maintaining the
                     commercial information solely in the dynamic
                     memory of the secured host server, encrypting the
                     commercial information in response to the step of
                     receiving the commercial information, erasing the
                     dynamic memory of the secured host server in
                     response to the step of encrypting the commercial
                     information, and forwarding the encrypted
                     commercial information via the communications
                     network from the secured host server to the
                     company subscriber unit. 
    Attorney, Agent, or
              Firm:
                     Patnaude Videbeck & Marsh; 

     Primary/Assistant
          Examiners:
                     Cain; David; 


                      [...]

                   What is claimed is: 
                       1. In a networked communications system
                       comprising a client unit, a secured host
                       server, and a
                   company subscriber unit, a method for providing
                   secured commercial transactions via the networked
                   communications system comprises the steps of: 

                        providing a secured transaction path via the
                        networked communications system between the
                        client unit and the secured host server;
                        receiving encrypted commercial information
                        transmitted via the secured transmission path
                        by the client unit at the secured host server;
                        reencrypting substantially all of the once
                        encrypted commercial information in response
                        to the step of receiving encrypted commercial
                        information; and forwarding the reencrypted
                        commercial information via the communications
                        network from the secured host server to the
                        company subscriber unit. 


                        [...]

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