Secure mediation between strangers in cyberspace

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dc.contributor.advisorBiskup, Joachimde
dc.contributor.authorKarabulut, Yücelde
dc.contributor.refereeKrumm, Heikode
dc.date.accepted2002
dc.date.accessioned2004-12-06T12:52:31Z
dc.date.available2004-12-06T12:52:31Z
dc.date.created2002-09-26de
dc.date.issued2002-11-11de
dc.description.abstractThe thesis is concerned with solutions to challenges associated with secure mediation between strangers in cyberspace. In mediated information system clients and information sources are brought together by mediators. The mediation paradigm needs powerful and expressive security mechanisms considering the dynamics and conflicting interests of mediation participiants. The thesis presents a security framework for mediation with an emphasis on confidentiality and authenticity. It is argued for basing the enforcement of confidentiality and authenticity on certified characterizing properties, such as personal authorization attributes, rather than on identification. In the security framework specification and enforcement of permissions are based on the public-key infrastructures which allow the binding of characterizing properties to public keys.en
dc.format.extent1276846 bytes
dc.format.extent2168366 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypeapplication/postscript
dc.identifier.urihttp://hdl.handle.net/2003/2560
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-7868
dc.language.isoende
dc.publisherUniversität Dortmundde
dc.subjectsecure mediationen
dc.subjectaccess controlen
dc.subjectPKIen
dc.subjectauthorizationen
dc.subjectcredentialen
dc.subjectpersonal authorizationen
dc.subjectdata privacyen
dc.subjectauthentic authorizationen
dc.subjectquery processingen
dc.subjectsecure information systemen
dc.subject.ddc004de
dc.titleSecure mediation between strangers in cyberspaceen
dc.typeTextde
dc.type.publicationtypedoctoralThesisde
dcterms.accessRightsopen access

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