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Auflistung nach Autor:in "Piotrowski, Krzysztof"

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  • Konferenzbeitrag
    A location-aware revocation approach
    (Informatik 2004, Informatik verbindet, Band 2, Beiträge der 34. Jahrestagung der Gesellschaft für Informatik e.V. (GI), 2004) Kulikowski, Damian; Langendörfer, Peter; Piotrowski, Krzysztof
    We present a new certificate revocation system for both on-line and off-line use, which is targeted to mobile-commerce systems. It allows to use certificates from any certificate issuer and to apply a proprietary revocation strategy. Our approach is well suited especially for location-aware services and mobile devices, because 1) our protocol reduces the amount of online communication, 2) the revocation tree is structured in such a way that certificates of services, which are located in the same region, can be verified using the same revocation proof.