{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T18:05:29Z","timestamp":1754157929384,"version":"3.41.2"},"reference-count":23,"publisher":"Emerald","issue":"4","license":[{"start":{"date-parts":[[2009,11,20]],"date-time":"2009-11-20T00:00:00Z","timestamp":1258675200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,11,20]]},"abstract":"<jats:sec><jats:title content-type=\"abstract-heading\">Purpose<\/jats:title><jats:p>Secure communication is very important for computer networks. Thereby, authentication is one of the most eminent preconditions. In <jats:italic>ad hoc<\/jats:italic> networks, common authentication schemes are not applicable since public key infrastructures with a centralized certification authority are hard to deploy in <jats:italic>ad hoc<\/jats:italic> networking environments. This paper aims to investigate these issues.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Design\/methodology\/approach<\/jats:title><jats:p>In order to overcome these issues, the paper proposes and evaluates a security concept based on a distributed certification facility. Thereby, a network is divided into clusters with one special head node each. These cluster head nodes perform administrative functions and hold shares of a network key used for certification. New nodes start to participate in the network as guests; they can only become full members with a network\u2010signed certificate after their authenticity has been warranted by some other members. Access to resources and services within the <jats:italic>ad hoc<\/jats:italic> network is controlled using authorization certificates.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Findings<\/jats:title><jats:p>The feasibility of this concept was verified by simulations. Three different models for node mobility were used in order to include realistic scenarios as well as to make the results comparable to other work. The simulation results include an evaluation of the log\u2010on times, availability, and communication overhead.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Originality\/value<\/jats:title><jats:p>The paper introduces a cluster\u2010based architecture to realize a distributed public key infrastructure that is highly adapted to the characteristics of <jats:italic>ad hoc<\/jats:italic> networks.<\/jats:p><\/jats:sec>","DOI":"10.1108\/17427370911008848","type":"journal-article","created":{"date-parts":[[2009,12,5]],"date-time":"2009-12-05T07:17:03Z","timestamp":1259997423000},"page":"448-475","source":"Crossref","is-referenced-by-count":0,"title":["Design and evaluation of a security architecture for <i>ad hoc<\/i> networks"],"prefix":"10.1108","volume":"5","author":[{"given":"Daniel","family":"Kraft","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marc","family":"Bechler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans\u2010Joachim","family":"Hof","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Frank","family":"P\u00e4hlke","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lars","family":"Wolf","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"140","reference":[{"key":"key2022030819480214500_b14","unstructured":"Balfanz, D., Smetters, D.K., Stewart, P. and Wong, H.C. 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