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Title

A Fair-Exchange Protocol Based on Off-line Semi-Trusted Third Party

Author

Wu Qingtao, zhang Hongyi, Pu Jiexin

Citation

Vol. 7  No. 7  pp. 208-212

Abstract

The fairness of data exchange becomes a key factor for the transaction over the Internet. To ensure the fairness of data exchange, the protocol needs a trusted third party be a judge when the dispute occurs, and has to give a guarantee to main parties during the data exchange. To eliminate the third party’s connectional time and enhance its security, a fair-exchange protocol based on off-line semi-trusted third party has presented in this paper. The protocol employs an off-line semi-trusted third party, where a flexible method for selecting a semi-trusted third party is proposed. Also, the proposed protocol is extended to Web services so that it can be used for main parties in different platforms.

Keywords

Fair data Exchange, Off-line semi-trusted third party, Web Services

URL

http://paper.ijcsns.org/07_book/200707/20070728.pdf