【摘 要】
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Fairness is of crucial importance for the exchange protocols via Internet. Non-repudiation therefore becomes one of the vital premises, which are essential in t
【机 构】
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Department of Computer Science and Technology,State Key Laboratory of Information Security
论文部分内容阅读
Fairness is of crucial importance for the exchange protocols via Internet. Non-repudiation therefore becomes one of the vital premises, which are essential in the exchange of sensitive and important messages. This paper is to propose a new exchange protocol, termed "EAR" Exchange Protocol as it consists of three sub-protocols: Exchange sub-protocol, Abort sub-protocol and Recovery sub-protocol. It is to be argued that the incorporation of these three sub-protocols may effectively enables EAR to assure non-repudiation, strong fairness, timeliness, confidentiality and the minimized involvement of the Trusted Third Party (TTP).
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