Group key agreement in dynamic tactical networks

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dc.contributor.author Rahbar, Leila
dc.contributor.department Electrical and Computer Engineering
dc.date 2020-08-05T05:03:51.000
dc.date.accessioned 2021-02-26T08:43:15Z
dc.date.available 2021-02-26T08:43:15Z
dc.date.copyright Wed Jan 01 00:00:00 UTC 2003
dc.date.issued 2003-01-01
dc.description.abstract <p>Mobile tactical (military) networks have a number of concerns that distinguish them from commercial networks. Of primary concern is information security, achieved in part through message encryption using a common key. These networks are often wireless and ad hoc, that is they lack fixed infrastructure and communications are relayed in a multi-hop fashion. The mobility of the nodes leads to a highly dynamic and unpredictable network topology as well as a dynamic communication group membership. The focus of this thesis is on finding a secure and efficient solution to group key agreement in a tactical network. Existing group key establishment protocols were surveyed, but many were found inept in this setting. The best solution was the Arbitrary Topology Group Diffie Hellman (AT-GDH). However, this protocol has not been fully specified as no provisions were made for auxiliary key agreements. To complete the AT-GDH key agreement, additional protocols are presented to be performed upon group membership changes. Each protocol was evaluated in terms of efficiency and security. All agreements stemming from additions to the group membership were found to be highly efficient. However, the exponential key structure impedes the efficient removal of one or more participant's contributions.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/rtd/20001/
dc.identifier.articleid 21000
dc.identifier.contextkey 18791761
dc.identifier.doi https://doi.org/10.31274/rtd-20200803-324
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath rtd/20001
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/97368
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/rtd/20001/Rahbar_ISU_2003_R348.pdf|||Fri Jan 14 22:19:00 UTC 2022
dc.subject.keywords Electrical and computer engineering
dc.subject.keywords Computer engineering
dc.title Group key agreement in dynamic tactical networks
dc.type article
dc.type.genre thesis
dspace.entity.type Publication
relation.isOrgUnitOfPublication a75a044c-d11e-44cd-af4f-dab1d83339ff
thesis.degree.discipline Computer Engineering
thesis.degree.level thesis
thesis.degree.name Master of Science
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