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Document security system that permits external users to gain access to secured files

  • US RE47,443 E1
  • Filed: 01/27/2017
  • Issued: 06/18/2019
  • Est. Priority Date: 09/30/2002
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a server comprising an access manager configured to;

    restrict access to a file of an organization having an internal user responsive to a request for the file, the file comprising a header portion including an access rule that restricts access to the file, and a content portion encrypted by a file key;

    anddetermine whether a partner relationship exists between the organization and an external partner;

    a database coupled to the server and configured to store an encryption key for use between the internal user and an the external partner comprising an external user, wherein the access manager is further configured to encrypt the file key, located within security information of the header portion of the file, with the encryption key in response to a determining that the partner relationship existing exists between the organization and the external partner and deny the request in response to determining that the partner relationship does not existing exist; and

    an external access server operatively connected to the server and coupled between the server and a data network, the data network configured to allow the external user use of the external access server, wherein the external access server is configured to permit file exchange between the internal user and the external user via the server.

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