preprint
The main contribution in this paper is to improve the weakness of cookies exchange in the handshake process in order to counter DoS attacks. The enhanced protocol is performed on Cooja simulator in Contiki operating system for the Internet of Things, and compared with the original DTLS. The simulation results lead to better performance of the proposed protocol in terms of handshake time processing, and energy consumption. The proposed enhanced DTLS protocol is analyzed through the AVISPA tool. The formal modelling analysis using the AVISPA tool has validated the security of the proposed DTLS authentication model against external attacks such as DoS, and ensures the important properties related to a communication security protocol, which is the authentication integrity, confidentiality.
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DOI: 10.1145/3010089.3010139
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