Journal Title
Title of Journal: Int J Inf Secur
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Abbravation: International Journal of Information Security
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Publisher
Springer-Verlag
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Authors: Kenji Imamoto Jianying Zhou Kouichi Sakurai
Publish Date: 2008/05/20
Volume: 7, Issue: 6, Pages: 383-394
Abstract
Certified email is a system which enables a sender to prove a receiver’s receipt of email Such a system can be used for applications related to electronic commerce on the Internet This paper considers a situation where a sender or a receiver wants to change his/her mind due to the change of mail content value eg stock auction gambling during the transaction We point out that no traditional certified email systems have been designed for such a case thus one of the participants can be at a disadvantage To avoid this problem we propose an evenhanded certified email system in which each participant can change his/her choice either cancel or finish the transaction at any time during the transaction
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