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Secure data access in a dispersed storage network

  • US 9,021,263 B2
  • Filed: 07/17/2013
  • Issued: 04/28/2015
  • Est. Priority Date: 08/31/2012
  • Status: Expired due to Fees
First Claim
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1. A method for execution by one or more processing modules of a storage device, the method comprises:

  • receiving an access request regarding a data object, wherein the access request includes a data object identifier, requestor information, and addressing information;

    determining a base key identifier based on the access request;

    determining content specific information based on the access request;

    retrieving a set of base key slices utilizing the base key identifier;

    decoding the set of base key slices in accordance with an error encoding function to recover a base key;

    generating an access specific key based on the recovered base key and the content specific information; and

    executing the access request regarding the data object utilizing the access specific key.

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