Security And Cryptography For Networks: 6th International Conference, Scn 2008, Amalfi, Italy, September 10-12, 2008. Proceedings

Lecture Notes in Computer Science Commenced Publication in 1973 Founding and Former Series Editors: Gerhard Goos, Juris Hartmanis, and Jan van Leeuwen Editorial Board David Hutchison Lancaster University, UK Takeo Kanade Carnegie Mellon University, Pittsburgh, PA, USA Josef Kittler University of Surrey, Guildford, UK Jon M. Kleinberg Cornell University, Ithaca, NY, USA Alfred Kobsa University of California, Irvine, CA, USA Friedemann Mattern ETH Zurich, Switzerland John C. Mitchell Stanford University, CA, USA Moni Naor Weizmann Institute of Science, Rehovot, Israel Oscar Nierstrasz University of Bern, Switzerland C. Pandu Rangan Indian Institute of Technology, Madras, India Bernhard Steffen University of Dortmund, Germany Madhu Sudan Massachusetts Institute of Technology, MA, USA Demetri Terzopoulos University of California, Los Angeles, CA, USA Doug Tygar University of California, Berkeley, CA, USA Gerhard Weikum Max-Planck Institute of Computer Science, Saarbruecken, Germany 5229 Rafail Ostrovsky Roberto De Prisco Ivan Visconti (Eds.) Security and Cryptography for Networks 6th International Conference, SCN 2008 Amalfi, Italy, September 10-12, 2008 Proceedings 13 Volume Editors Rafail Ostrovsky University of California, Los Angeles Department of Computer Science Box 951596, 3732D BH, Los Angeles, CA, 90095-1596, USA E-mail: [email protected] Roberto De Prisco Università di Salerno Dipartimento di Informatica ed Applicazioni via Ponte don Melillo, 84084 Fisciano (SA), Italy E-mail: [email protected] Ivan Visconti Università di Salerno Dipartimento di Informatica ed Applicazioni via Ponte don Melillo, 84084 Fisciano (SA), Italy E-mail: [email protected] Library of Congress Control Number: 2008933864 CR Subject Classification (1998): E.3, C.2, D.4.6, K.4.1, K.4.4, K.6.5, F.2 LNCS Sublibrary: SL 4 – Security and Cryptology ISSN ISBN-10 ISBN-13 0302-9743 3-540-85854-7 Springer Berlin Heidelberg New York 978-3-540-85854-6 Springer Berlin Heidelberg New York This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting, reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. Springer is a part of Springer Science+Business Media springer.com © Springer-Verlag Berlin Heidelberg 2008 Printed in Germany Typesetting: Camera-ready by author, data conversion by Scientific Publishing Services, Chennai, India Printed on acid-free paper SPIN: 12512393 06/3180 543210 Preface The 6th Conference on Security and Cryptography for Networks (SCN 20