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Automated data source assurance in distributed databases

  • US 8,458,208 B2
  • Filed: 10/09/2008
  • Issued: 06/04/2013
  • Est. Priority Date: 10/09/2008
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • receiving a database query comprising a logical database table identifier, a data element, and at least one data source assurance indicator at a distributed database device within a distributed network of databases, where the at least one data source assurance indicator comprises a request to encrypt the data element received in the received query for authentication of distributed database devices that process the database query;

    encrypting the data element received in the received query based upon the at least one data source assurance indicator;

    forming a data portion of a local query response to the database query comprising data retrieved from a local physical database table mapped by a local logical database table that matches the received logical database table identifier;

    adding a distributed database device node identifier and the encrypted data element as an authentication portion of the local query response to authenticate the data portion of the local query response; and

    responding to the database query with at least the authenticated local query response.

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