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Byzantine failures and security: Arbitrary is not (always) random

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dc.contributor.authorGärtner, Felix C.
dc.contributor.editorGrimm, Rüdiger
dc.contributor.editorKeller, Hubert B.
dc.contributor.editorRannenberg, Kai
dc.date.accessioned2019-10-30T13:27:32Z
dc.date.available2019-10-30T13:27:32Z
dc.date.issued2003
dc.description.abstractThe Byzantine failure model allows arbitrary behavior of a certain fractionof network nodes in a distributed system. It was introduced to model and analyze the effects of very severe hardware faults in aircraft control systems. Lately, the Byzantine failure model has been used in the area of network security where Byzantine-tolerance is equated with resilience against malicious attackers. We discuss two reasons why one should be careful in doing so. Firstly, Byzantinetolerance is not concerned with secrecy and so special means have to be employed if secrecy is a desired system property. Secondly, in contrast to the domain of hardware faults, in a security setting it is difficult to compute the assumption coverage of the Byzantine failure model, i.e., the probability that the failure assumption holds in practice. To address this latter point we develop a methodology which allows to estimate the reliability of a Byzantine-tolerant solution exposed to attackers of different strengths.en
dc.identifier.isbn3-88579-330-X
dc.identifier.pissn1617-5468
dc.identifier.urihttps://dl.gi.de/handle/20.500.12116/29565
dc.language.isoen
dc.publisherGesellschaft für Informatik e.V.
dc.relation.ispartofINFORMATIK 2003 - Mit Sicherheit Informatik, Schwerpunkt "Sicherheit - Schutz und Zuverlässigkeit"
dc.relation.ispartofseriesLecture Notes in Informatics (LNI) - Proceedings, Volume P-36
dc.titleByzantine failures and security: Arbitrary is not (always) randomen
dc.typeText/Conference Paper
gi.citation.endPage138
gi.citation.publisherPlaceBonn
gi.citation.startPage127
gi.conference.date29. September - 2. Oktober 2003
gi.conference.locationFrankfurt am Main
gi.conference.sessiontitleRegular Research Papers

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