Some Remarks on a Fair Exchange Protocol

Fair exchange turns out to be an increasingly importanttopic due to the rapid growth of electronic commerce. An exchange is deemed to be fair if at the end of exchange, either each party receives the expected item or neither party receives any useful information about the other's item. Several protocols for fair exchange have been proposed in recent years. In this paper, we rst examine a newly published fair exchange protocol and point out its aws and weaknesses. We then put forward a more e cient and secure protocol and give an informal analysis.

• Type: Conference
• Year: 2000
• Where: PKC
• Authors: Jianying Zhou, Robert H. Deng, Feng Bao
• Keywords: Cryptology, Fair Exchange, Fair Exchange Protocol, PKC 2000, Rapid Growth