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Secure Key Renewal in WirelessHART
RISE, Swedish ICT, SICS, Security Lab.ORCID iD: 0000-0001-8192-0893
RISE, Swedish ICT, SICS, Computer Systems Laboratory.ORCID iD: 0000-0002-2586-8573
2011 (English)Conference paper, Published paper (Refereed)
Abstract [en]

WirelessHART is a wireless extension to the HART protocol. Even though WirelessHART is designed to be a secure protocol, the loopholes in the key management system makes it vulnerable to security threats. The broadcast approach for key renewal mechanisms in WirelessHART is not secure enough to be used in sensitive industrial automation environments where breach of security may result in catastrophic results. Also, key distribution with unicast communication with each device requires O(n) rekeying messages, where n is the size of the network. In this paper we provide a secure and scalable key renewal protocol for WirelessHART that reduces the communication overhead to O(logn). Our protocol requires far less messages than the conventional unicast approach.

Place, publisher, year, edition, pages
2011, 15.
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-23825OAI: oai:DiVA.org:ri-23825DiVA, id: diva2:1042903
Conference
Real-time Wireless for Industrial Applications (RealWin'11), CPS Week
Projects
CONETAvailable from: 2016-10-31 Created: 2016-10-31 Last updated: 2018-07-20Bibliographically approved

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