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An Automated Disruption-Tolerant Key Management Framework for Critical Systems

  • Author(s): Edgar, Thomas
  • Ashok, Aditya
  • Seppala, Garret
  • Choi, Eric
  • Arthur-Durett, Kristine
  • Engels, Matt
  • Gentz, Reinhard
  • Peisert, Sean
  • et al.
Abstract

Key management is critical to secure operation. Distributed control systems, such as Supervisory Control and Data Acquisition (SCADA) systems, have unique operational requirements that make conventional key management solutions less effectiveand burdensome. This paper pres-ents a novel Kerberos-based framework for automated, disruption-tolerant key management for control system environments. Experimental tests and their results are presented to quantify the expected performance overhead of this approach. Additionally, Zeek sensor analytics are presented to aid in monitoring the health and security of the key management framework operation.

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