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Group rekeying based on member join history
RISE - Research Institutes of Sweden, ICT, SICS. (Security Lab (SEC))ORCID iD: 0000-0001-8842-9810
University of Pisa, Italy.
RISE - Research Institutes of Sweden, ICT, SICS. (Security Lab (SEC))
RISE - Research Institutes of Sweden, ICT, SICS. (Security Lab (SEC))ORCID iD: 0000-0001-8192-0893
2019 (English)In: International Journal of Information Security, ISSN 1615-5262, E-ISSN 1615-5270Article in journal (Refereed) Epub ahead of print
Abstract [en]

This paper presents GREP, a novel group rekeying scheme that leverages the history of join events in order to achieve efficiency and high scalability. GREP rekeys thegroup with only two broadcast messages, hence displaying an overhead which is small, constant and independent of the group size. Also, GREP efficiently recovers the group from collusion attack with no recourse to total member reinitialization. Even in the very unlikely worst case, collusion recovery displays a smooth impact on performance that gradually increases with the attack severity. We implemented GREP for the Contiki OS and tested it on different resource-constrained platforms. Our analytical and experimental evaluation confirm that GREP is efficient, highly scalable and deployable also on constrained nodes. The paper extends a previous version of this work, especially through additional security analysis, treatise of probabilities for worst case collusion, and experimental evaluation of performance.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2019.
Keywords [en]
Security, Group key management, Rekeying, Join history, Secure group communication
National Category
Engineering and Technology Electrical Engineering, Electronic Engineering, Information Engineering Communication Systems Computer Systems
Identifiers
URN: urn:nbn:se:ri:diva-39284DOI: 0.1007/s10207-019-00451-0OAI: oai:DiVA.org:ri-39284DiVA, id: diva2:1333020
Available from: 2019-06-29 Created: 2019-06-29 Last updated: 2019-08-12Bibliographically approved

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Tiloca, MarcoRaza, Shahid

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