A Solution for Secure Certified Electronic Mail Using Blockchain as a Secure Message Board

The certified mail is a value-added service that is widely used in the paper world. However, the scientific community has not yet provided a solution for certified e-mail that has achieved widespread acceptance. This lack of a certified e-mail solution is not due to a lack of proposed approaches; be...

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Bibliographic Details
Published in:IEEE access 2019, Vol.7, p.31330-31341
Main Authors: Hinarejos, M. Francisca, Ferrer-Gomila, Josep-Lluis, Huguet-Rotger, Llorenc
Format: Article
Language:English
Subjects:
Bitcoin
Blockchain
certified delivery
certified email
Cryptography
Electronic mail
email security
fair exchange
Mail
nonrepudiation
Protocols
Trusted third parties
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Summary:The certified mail is a value-added service that is widely used in the paper world. However, the scientific community has not yet provided a solution for certified e-mail that has achieved widespread acceptance. This lack of a certified e-mail solution is not due to a lack of proposed approaches; because over the past 40 years, more than 100 protocols have been reported in journals and at conferences. The vast majority of these proposed protocols use a trusted third party (TTP) to achieve fairness. The few solutions without a TTP have not been successful due to their high computational and/or communication cost. Blockchain provides a new approach to develop the protocols without a TTP but without the prior drawbacks of the previous solutions without a TTP. Here, we present a new protocol for certified e-mail based on a blockchain without a conventional TTP that is integrated with the conventional e-mail infrastructure. The protocol is secure, efficient, and viable from a practical perspective.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2019.2902174