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Method and system for providing a secure multi-user portable database

  • US 20070006322A1
  • Filed: 07/01/2005
  • Published: 01/04/2007
  • Est. Priority Date: 07/01/2005
  • Status: Active Grant
First Claim
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1. A method of providing, managing, and accessing a multi-user portable secure database comprising:

  • providing a database with a secure portion and a non-secure portion;

    storing security components for encrypting and decrypting data files in the secure portion;

    storing encrypted data files in the non-secure portion; and

    controlling access to the encrypted data files, wherein said controlling access step further comprises;

    assigning an access control matrix to each encrypted data file according to a hierarchical structure, wherein the access control matrix defines access rights of each user to each encrypted data file, the access control matrix assigning a level of access to each type of access;

    associating a user requesting access with one of the security components comprising a key for allowing the requested access; and

    allowing the requested access to one or more of the encrypted data files in accordance with the access control matrix.

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