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Ensuring Consistency for Asynchronous Group Key Management in the Industrial IoT (CNSM 2020)

This is the video presentation to our newest paper at the 16th International Conference on Network and Service Management on Nov 5, 2020 virtually in Izmir.

Video: https://www.youtube.com/watch?v=uGXS-kxQuBY
Paper download: http://dl.ifip.org/db/conf/cnsm/cnsm2020/1570662953.pdf
Predecessor paper: Group Key Management in constrained IoT Settings

Enjoy reading them!

Abstract

The Industrial Internet of Things (IIoT) gains importance in many domains including critical infrastructures. To provide the necessary quality of service, securing the IIoT is essential.

A large critical infrastructure that uses the IIoT is the Smart Grid. The Smart Grid consists of many substations. Their orchestration heavily relies on group-communication. Secure group-communication relies on secure distribution and management of group keys: Group Key Management (GKM).

As central task, GKM ensures that only authorized group members share the secret key. In the IIoT a common GKM protocol is Group Domain of Interpretation (GDOI). The GDOI standard currently provides only partial solutions for ensuring group-consistency during key-distribution and update.

This paper proposes and evaluates a solution for the group consistency problem in PULL-based GDOI. The guiding scenario is substation automation but the results directly match other distributed infrastructures such as sensor networks.

Authors

  • Alessandro Piccoli (Technical University of Munich)
  • Marc-Oliver Pahl (IMT Atlantique, Technical University of Munich)
  • Steffen Fries (Siemens AG)
  • Tolga Sel (Siemens AG)
  • {alessandro.piccoli,pahl}@tum.de
  • {marc-oliver.pahl}@imt-atlantique.fr
  • {steffen.fries, tolga.sel}@siemens.com

Background

This is the second paper outcome from Alessandro’s Master Thesis. Always a pleasure working with you!

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