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| A Non-repudiation Protocol Based on Bulletin Board |
| Zhang Jian-hong; Wang Ji-lin; Wang Yu-min |
| National Key Lab of ISN, Xidian University, Xi’an 710071, China |
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Abstract Non-repudiation is a security protocol to provide non-repudiation evidences for two transaction parties against the other falsely denying a particular event in electronic commerce while efficiency and fairness are what people have expected during electronic commerce. In this paper, a fair non-repudiation protocol based on bulletin-board is proposed to resolve the problem that a trusted third party brings into bottle-neck of communication. This protocol can achieve non-repudiation service in an efficient and practical way.
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Received: 23 September 2002
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2004, Vol. 26 
