W07 - International Workshop on Trust and Privacy in Digital Business – TrustBus 2002


Tuesday, September 3, 2002


10:30   Workshop Opening (Javier López, Günther Pernul)


10.35 – 12:35  Electronic Payment and Auctions (chair: Javier López)


Electronic Payment in Mobile Environment

Huang Zheng, Chen Ke-Fei

ShangHai JiaoTong University, China


STREAMOBILE: Pay-per-View Video Streaming to Mobile Devices Over the Internet

Antoni Martinez-Balleste, Josep Domingo-Ferrer

Universidad Rovira i Virgili, Spain


Private Auctions with Multiple Rounds and Multiple Items

Ahmad-Reza Sadeghi, Matthias Schunter, Sandra Steinbrecher

Univeristy of Saarbruecken, Germany


An Electronic Payment Scheme Allowing Special Rates for Anonymous Regular Customers

Chunfu Tan, Jianying Zhou

Labs for Information Technology, Singapore


12.30 – 14.00  Lunch


14:00 – 15:30   Electronic voting: dream or reality ? (invited session)

chair: Dimitrios Gritzalis


Building a Successful e-Voting System: Functional Requirements and Legal Constraints

C. Lambrinoudakis, Univ. of the Aegean


Protection Against Hackers on Client Computers for e-Voting Systems

G. Salomonsen, Cryptomathic


Internet Voting: Do people accept it? Do they trust it?

Davide Ferrazzi, University Milano


15:30 – 16:00 Coffee Break


16:00 – 17:30   e-VOTE Initiatives and Prototypes: Report on Trust and Privacy Issues

 (panel chair: Günther Pernul)


Davide Ferrazzi, University Milano

Antonis Galetsas (European Commission, EVE Project Cluster)

Dimitrios Gritzalis, Athens University of Economics and Business

Sokratis Katsikas, University of the Aegean

Eiji Okamoto, Tsukuba University

Rene Peralta, Yale University

Torsten Priebe, University of Essen




Wednesday, September 4, 2002


10:30 – 12:30 Access control (chair:  tba)


Ubiquitous Internet access control: the PAPI system

Diego R. Lopez, Rodrigo Castro

RedIris, Spain


A Decentralized Authorization Mechanism for E-Business Applications

Zoltan Miklos

Technical University of Viena, Austria


Notes on Program-Orientated Access Control

Adrian Spalka, Hanno Langweg

University of Bonn, Germany          


Simple and Secure Mobile Access under the Flexible Organization Management

Masahiro MAMBO, Eiji OKAMOTO, Yasushi SENGOKU, Takashi TANAKA

Tohoku University, Tsukuba University,  Japan



12.30 – 14.00  Lunch


14:00 – 15:30 Invited talk (chair: Javier López)


Non-repudiation in Electronic Commerce

Jianying Zhou, Oracle Corporation


15:30 – 16:00 Coffee Break


16:00 – 17:30 Theoretical issues (chair: tba)


Efficient identification of traitors in fingerprinted multimedia contents

Marcel Fernandez, Miguel Soriano

Universidad Politécnica de Cataluña, Spain


Using a formal technique for protocol idealization: A cautionary note

Anish Mathuria

University of Massachusetts Dartmouth, USA


Role based specification and security analysis of cryptographic protocols using asynchronous product automata

Sigrid Gürgens, Peter Ochsenschläger and Carsten Rudolph

Fraunhofer, Germany



Thursday , September 5, 2002


10:30 – 12:30 Privacy issues (chair:  tba)


Privacy-enabled Services for Enterprises

Guenter Karjoth, Matthias Schunter, Michael Waidner

IBM Research - Zurich Research Laboratory, Switzerland


Data Privacy, US Common Practices

Ashrafi Noushin, Jean-Pierre Kuilboer

University of Massachusetts Boston, USA


Privacy in mobile environment

Silke Holtmanns

Ericsson Eurolab Deutschland GmbH, Germany


Privacy of Trust in Similarity Estimation through Secure Computations

Javier Carbo, J.M. Molina, Jorge Davila

Universidad Carlos III de Madrid, Spain


12.30 – 14.00  Lunch


14:00 – 15:00 PKI and Trust (chair:  tba)


Simplifying PKI usage through a Client-Server Architecture and dynamic propagation of constructed certificate paths and repository addresses

Brian Hunter

Fraunhofer, Germany


Evaluation of Certificate Revocation Policies: OCSP vs.Overissued CRL

J. L. Muñoz, J. Forné, J. C. Castro

Universidad Politécnica de Cataluña, Spain