Computer Security – ESORICS 2002 7th European Symposium on Research in Computer Security Zurich, Switzerland, October 14-16, 2002, Proceedings - Gollmann, Dieter; Gollmann, Dieter; Karjoth, Günter; Karjoth, Günter; Waidner, Michael; Waidner, Michael (Springer Berlin Heidelberg : Imprint: Springer, 2002)