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Encrypting Data for Storage in a Dispersed Storage Network

  • US 20130136258A1
  • Filed: 11/27/2012
  • Published: 05/30/2013
  • Est. Priority Date: 11/28/2011
  • Status: Active Grant
First Claim
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1. A method for storing data, the method comprises:

  • encrypting a plurality of data segments of the data using a plurality of encryption keys to produce a plurality of encrypted data segments;

    generating a plurality of deterministic values from the plurality of encrypted data segments using one or more deterministic functions;

    establishing a data intermingling pattern for the plurality of encrypted data segments;

    generating a plurality of masked keys by;

    selecting one or more of the plurality of deterministic values in accordance with the data intermingling pattern; and

    performing a masking function on the plurality of encryption keys and the selected one or more of the plurality of deterministic values;

    appending the plurality of masked keys to the plurality of encrypted data segments in accordance with the data intermingling pattern to produce a plurality of secure data packages; and

    outputting the plurality of secure data packages for storage.

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