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The Scientific World Journal
Volume 2014 (2014), Article ID 139435, 14 pages
http://dx.doi.org/10.1155/2014/139435
Research Article

A Secure and Fair Joint E-Lottery Protocol

1Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung 41349, Taiwan
2Department of Information Management, Da-Yeh University, Changhua 51591, Taiwan

Received 23 January 2014; Accepted 3 March 2014; Published 4 May 2014

Academic Editors: M. Ivanovic and F. Yu

Copyright © 2014 Chin-Ling Chen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The attractive huge prize causes people to adore lotteries. Due to the very small probability of winning prizes, the players can enhance their probability of winning by using the method of joint purchase. In spite of many lottery schemes having been proposed, most e-lottery schemes focus on the players’ privacy or computation overhead rather than support a joint purchase protocol on the Internet. In this paper, we use the multisignature and verifiable random function to construct a secure and fair joint e-lottery scheme. The players can check the lottery integrity, and the winning numbers can be verified publicly.