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CTRSA
2010
Springer
149views Cryptology» more  CTRSA 2010»
13 years 11 months ago
Usable Optimistic Fair Exchange
Fairly exchanging digital content is an everyday problem. It has been shown that fair exchange cannot be done without a trusted third party (called the Arbiter). Yet, even with a ...
Alptekin Küpçü, Anna Lysyanskaya
PKC
2007
Springer
111views Cryptology» more  PKC 2007»
13 years 11 months ago
Optimistic Fair Exchange in a Multi-user Setting
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
Yevgeniy Dodis, Pil Joong Lee, Dae Hyun Yum
IJACT
2008
102views more  IJACT 2008»
13 years 4 months ago
An optimistic fair exchange protocol and its security in the universal composability framework
: Fair exchange protocols allow both or neither of two parties to obtain the other's items, and this property is essential in e-commerce. In this paper, we construct an optimi...
Yusuke Okada, Yoshifumi Manabe, Tatsuaki Okamoto
ESORICS
2010
Springer
13 years 6 months ago
Optimistic Fair Exchange with Multiple Arbiters
Fair exchange is one of the most fundamental problems in secure distributed computation. Alice has something that Bob wants, and Bob has something that Alice wants. A fair exchang...
Alptekin Küpçü, Anna Lysyanskaya
ECWEB
2000
Springer
121views ECommerce» more  ECWEB 2000»
13 years 9 months ago
An Optimistic Fair Exchange E-commerce Protocol with Automated Dispute Resolution
In this paper we propose an e-commerce protocol with the following features: (1) ensures true fair exchange, (2) does not require manual dispute resolution in case of unfair behavi...
Indrakshi Ray, Indrajit Ray