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| new optimistic fair exchange protocol based on short signature | |
| Sun Yanbin; Gu Lize; Qing Sihan; Zheng Shihui; Yang Yixian; Sun Yan | |
| 2010 | |
| 会议名称 | 2nd International Conference on Communication Software and Networks, ICCSN 2010 |
| 会议录名称 | 2nd International Conference on Communication Software and Networks, ICCSN 2010 |
| 页码 | 99-104 |
| 会议日期 | 40576 |
| 会议地点 | Singapore, Singapore |
| 收录类别 | EI |
| 出版地 | United States |
| ISBN | 9780770000000 |
| 部门归属 | (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 |
| 摘要 | 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. |
| 关键词 | Computer Software Network Security |
| 主办者 | Int. Assoc. Comput. Sci. Inf. Technol. (IACSIT) |
| 内容类型 | 会议论文 |
| URI标识 | http://ir.iscas.ac.cn/handle/311060/8838 |
| 专题 | 基础软件国家工程研究中心 |
| 推荐引用方式 GB/T 7714 | Sun Yanbin,Gu Lize,Qing Sihan,et al. new optimistic fair exchange protocol based on short signature[C]. United States,2010:99-104. |
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