Fairness in electronic commerce
Fairness in electronic commerce
An Efficient Protocol for Certified Electronic Mail
ISW '00 Proceedings of the Third International Workshop on Information Security
Generic non-repudiation protocols supporting transparent off-line TTP
Journal of Computer Security - On IWAP'05
Some common attacks against certified email protocols and the countermeasures
Computer Communications
On the security of a certified e-mail scheme with temporal authentication
ICCSA'05 Proceedings of the 2005 international conference on Computational Science and Its Applications - Volume Part III
On the security of a certified e-mail scheme
INDOCRYPT'04 Proceedings of the 5th international conference on Cryptology in India
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We show that the protocol for certified mail delivery of Ferrer-Gomila and others [2] may exhibit contradictory behavior when the recipient is not well behaved. As a consequence, properties such as non-repudiation of reception and fairness may not hold. We also present a solution for this weakness which has minimal cost.