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 Workshop on Privacy Enhancing Technologies

Cathedral Hill Hotel, San Francisco, CA, USA     14 - 15 April   2002

Call for Papers:   2nd Workshop on Privacy Enhancing Technologies 

Privacy and anonymity are increasingly important in the online world. Corporations and governments are starting to realize their power to track users and their behavior, and restrict the ability to publish or retrieve documents. Approaches to protecting individuals, groups, and even companies and governments from such profiling and censorship have included decentralization, encryption, and distributed trust.

Building on the success of the first anonymity and unobservability workshop (LNCS 2009, held in Berkeley in July 2000), this second workshop addresses the design and realization of such anonymity and anti-censorship services for the Internet and other communication networks. We are holding this workshop adjacent to the Twelfth Conference on Computers, Freedom, and Privacy (CFP2002) for convenience, but we are not affiliated with that conference.

The workshop seeks submissions from academia and industry presenting novel research on all theoretical and practical aspects of privacy technologies, as well as experimental studies of fielded systems. We encourage submissions from other communities such as law and business that present these communities' perspectives on technological issues. We will publish accepted papers in proceedings in the Springer Lecture Notes in Computer Science (LNCS) series.

Suggested topics include but are not restricted to:

  • Efficient realization of privacy services
  • Techniques for and against traffic analysis
  • Attacks on anonymity systems
  • New concepts for anonymity systems
  • Novel relations of payment mechanisms and anonymity
  • Models for anonymity and unobservability
  • Models for threats to privacy
  • Techniques for censorship resistance
  • Resource management in anonymous systems
  • Pseudonyms, linkability, and trust
  • Policy and human rights -- anonymous systems in practice
  • Fielded systems and privacy enhancement techniques for existing systems
  • Frameworks for new systems developers

Paper submission: 

10 December     2001   
Notification of acceptance:  11 February       2002   
Camera-ready copy for preproceedings:   11 March            2002   
Camera-ready copy for proceedings:   15 May                2002   

General Chair: Adam Shostack, Zero Knowledge Systems (

Program Committee:
John Borking, Dutch Data Protection Authority
Lance Cottrell,
Roger Dingledine, The Free Haven Project (co-chair,
Hannes Federrath, Freie Universitaet Berlin, Germany
Markus Jakobsson, RSA Laboratories
Marit Koehntopp, Independent Centre for Privacy Protection, SH, Germany
Andreas Pfitzmann, Dresden University of Technology, Germany
Avi Rubin, AT&T Labs - Research
Paul Syverson, Naval Research Lab (co-chair,
Michael Waidner, IBM Zurich Research Lab

Submitted papers must not substantially overlap with papers that have been published or that are simultaneously submitted to a journal or a conference with proceedings. Papers should be at most 15 pages excluding the bibliography and well-marked appendices (using 11-point font and reasonable margins), and at most 20 pages total. Authors are encouraged to follow Springer LNCS format in preparing their submissions. Committee members are not required to read the appendices and the paper should be intelligible without them. The paper should start with the title, names of authors and an abstract. The introduction should give some background and summarize the contributions of the paper at a level appropriate for a non-specialist reader. We will publish accepted papers in proceedings in the Springer Lecture Notes in Computer Science (LNCS) series after the workshop. During the workshop preproceedings will be made available. Final versions are not due until after the workshop, giving the authors the opportunity to revise their papers based on discussions during the meeting.

Submissions can be made in Postscript or PDF format. To submit a paper, send a plain ASCII text email to the program chairs (emails:, containing the title and abstract of the paper, the authors' names, email and postal addresses, phone and fax numbers, and identification of the contact author. To the same message, attach your submission (as a MIME attachment). Papers must be received by December 10, 2001. Notification of acceptance or rejection will be sent to authors no later than February 11, 2002, and authors will have the opportunity to revise for the preproceedings version by March 11, 2002. Submission implies that, if accepted, the author(s) agree to publish in the proceedings and to sign a standard Springer copyright release, and also that an author of the paper will present it at the workshop. Final versions (due after the workshop) need to comply with the instructions for authors made available by Springer.