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Title:
new optimistic fair exchange protocol based on short signature
Author: Sun Yanbin ; Gu Lize ; Qing Sihan ; Zheng Shihui ; Yang Yixian ; Sun Yan
Source: 2nd International Conference on Communication Software and Networks, ICCSN 2010
Conference Name: 2nd International Conference on Communication Software and Networks, ICCSN 2010
Conference Date: 40576
Issued Date: 2010
Conference Place: Singapore, Singapore
Keyword: Computer software ; Network security
Publish Place: United States
Indexed Type: EI
ISBN: 9780770000000
Department: (1) Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, 100876, China; (2) Key Laboratory of Network and Information Attack and Defence Technology of MOE, Beijing University of Posts and Telecommunications, Beijing, 100876, China; (3) Institute of Software, Chinese Academy of Sciences, Beijing, 100080, China; (4) Operations Research Center, Shijiazhuang Army Command Academy, Shijiazhuang, 050084, China
Sponsorship: Int. Assoc. Comput. Sci. Inf. Technol. (IACSIT)
English Abstract: In CIS2008, Gao et al. suggested an abuse-free optimistic fair exchange protocol based on the short signature. Their scheme is very efficient in terms of communication. In this paper, we point out that their scheme has two weaknesses. These weaknesses may lead to an unfair situation that Bob may obtain Alices signature, but Alice can not obtain Bobs signature. In order to overcome these weaknesses, we propose a new secure abuse-free optimistic fair exchange protocol. In the new protocol, both parties can contact the trusted third party and settle the argument before the deadline. Moreover, we give a formal proof of fairness in the strand space model. © 2010 IEEE.
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/8838
Appears in Collections:基础软件国家工程研究中心_会议论文

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Recommended Citation:
Sun Yanbin,Gu Lize,Qing Sihan,et al. new optimistic fair exchange protocol based on short signature[C]. 见:2nd International Conference on Communication Software and Networks, ICCSN 2010. Singapore, Singapore. 40576.
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