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Service channel authentication token

  • US 9,836,594 B2
  • Filed: 05/19/2014
  • Issued: 12/05/2017
  • Est. Priority Date: 05/19/2014
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • at least one memory device;

    at least one processor coupled to the at least one memory device and configured to perform, based on instructions stored in the at least one memory device;

    receiving a service request for a protected resource from a first user device, wherein the service request includes a plurality of device attributes and an authentication token;

    selecting, based on a first attribute selection, a first attribute set from the plurality of device attributes contained in the service request, wherein at least one attribute in the plurality of device attributes is not included in the first attribute set and wherein the first attribute selection of the first user device is different from a second attribute selection for a second user device;

    determining a derived device identification from the first attribute set;

    when a signed device identification of the authentication token contained in the service request and the derived device identification are equal, continue processing the service request;

    when the signed device identification is not equal to the derived device identification, rejecting the service request; and

    replacing one attribute of the first attribute set with at least one other attribute from the plurality of device attributes to obtain a greater degree of security and preserving uniqueness of the derived device identification.

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