Financial Cryptography

1. Front Matter

   Pages I-VIII

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2. E-voting without ‘Cryptography’

   • Dahlia Malkhi, Ofer Margo, Elan Pavlov

   Pages 1-15

3. An Implementation of a Universally Verifiable Electronic Voting Scheme Based on Shuffling

   • Jun Furukawa, Hiroshi Miyauchi, Kengo Mori, Satoshi Obana, Kazue Sako

   Pages 16-30

4. Financial Instruments in Recommendation Mechanisms

   • Markus Jakobsson

   Pages 31-43

5. Secure Combinatorial Auctions by Dynamic Programming with Polynomial Secret Sharing

   • Koutarou Suzuki, Makoto Yokoo

   Pages 44-56

6. A Second-Price Sealed-Bid Auction with Verifiable Discriminant of p ₀-th Root

   • Kazumasa Omote, Atsuko Miyaji

   Pages 57-71

7. A Two-Server, Sealed-Bid Auction Protocol

   • Ari Juels, Michael Szydlo

   Pages 72-86

8. Secure Vickrey Auctions without Threshold Trust

   • Helger Lipmaa, N. Asokan, Valtteri Niemi

   Pages 87-101

9. Almost Optimal Hash Sequence Traversal

   • Don Coppersmith, Markus Jakobsson

   Pages 102-119

10. Cryptographic Primitives Enforcing Communication and Storage Complexity

    • Philippe Golle, Stanislaw Jarecki, Ilya Mironov

    Pages 120-135

11. CryptoComputing with Rationals

    • Pierre-Alain Fouque, Jacques Stern, Geert-Jan Wackers

    Pages 136-146

12. Privacy Tradeoffs: Myth or Reality?

    • Rebecca N. Wright, L. Jean Camp, Ian Goldberg, Ronald L. Rivest, Graham Wood

    Pages 147-151

13. An Improved Fast Signature Scheme without Online Multiplication

    • Takeshi Okamoto, Mitsuru Tada, Atsuko Miyaji

    Pages 152-167

14. Timed Release of Standard Digital Signatures

    • Juan A. Garay, Markus Jakobsson

    Pages 168-182

15. Quasi-Efficient Revocation of Group Signatures

    • Giuseppe Ateniese, Dawn Song, Gene Tsudik

    Pages 183-197

16. The Dark Side of Threshold Cryptography

    • Shouhuai Xu, Moti Yung

    Pages 198-219

17. Split-and-Delegate: Threshold Cryptography for the Masses

    • Daniel E. Geer Jr., Moti Yung

    Pages 220-237

18. Redistribution of Mechanical Secret Shares

    • Yvo Desmedt, Rei Safavi-Naini, Huaxiong Wang

    Pages 238-252

19. Reliable MIX Cascade Networks through Reputation

    • Roger Dingledine, Paul Syverson

    Pages 253-268

20. Offline Payments with Auditable Tracing

    • Dennis Kügler, Holger Vogt

    Pages 269-281

The Sixth International Financial Cryptography Conference was held during March 11-14, 2002, in Southampton, Bermuda. As is customary at FC, these proceedings represent "final" versions of the papers presented, revised to take into account comments and discussions from the conference. Submissions to the conference were strong, with 74 papers submitted and 19 accepted for presentation and publication. (Regrettably, three of the submit­ ted papers had to be summarily rejected after it was discovered that they had been improperly submitted in parallel to other conferences.) The small program committee worked very hard under a tight schedule (working through Christmas day) to select the program. No program chair could ask for a better committee; my thanks to everyone for their hard work and dedication. In addition to the refereed papers, the program included a welcome from the Minister of Telecommunications and e-Commerce, Renee Webb, a keynote address by Nigel Hickson, and a panel on privacy tradeoffs cheiired by Rebecca Wright (with panelists Ian Goldberg, Ron Rivest, and Graham Wood). The traditional Tuesday evening "rump session" was skillfully officiated by Markus Jakobsson. My job as program chair was made much, much easier by the excellent work of our general chair, Nicko van Someren, who performed the miracle of hiding from me any evidence of the innumerable logistical nightmares associated with conducting this conference. I have no idea how he did it, but it must have involved many sleepless nights.

• Authentication
• Cryptology
• Digital Payment Systems
• E-Commerce
• Electronic Auctions
• Electronic Cash
• Electronic Voting Systems
• Financial Transactions Security
• Fiunancial Cryptography
• Secure Computation
• communication
• complexity
• cryptography

• AT&T Labs-Research, Florham Park, USA

  Matt Blaze

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