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System and method for providing different levels of key security for controlling access to secured items

  • US 7,921,288 B1
  • Filed: 03/20/2002
  • Issued: 04/05/2011
  • Est. Priority Date: 12/12/2001
  • Status: Active Grant
First Claim
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1. A method for controlling access to a secured item, the secured item having at least a first portion and a second portion, both the first portion and the second portion being encrypted, said method comprising:

  • receiving, by one or more computing devices, a request to access the secured item, the request being from a user at a client machine;

    authenticating at least the user and the client machine;

    retrieving a user key from a storage location, the storage location-corresponding to a level of security of the user key;

    decrypting, the first portion of the secured item with the user key to acquire security information for the secured item that the user is requesting to access;

    obtaining access rules associated with the secured item and access privileges associated with the user from the decrypted first portion of the secured item; and

    determining user permission to gain access to the secured item by comparing the access privileges of the user to the access rules of the secured item.

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