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Author Country (or Countries)

South Korea

Abstract

A secure acknowledgement (ACK) mechanism is essential to ensure reliable data transfer in wireless communication networks. However, because efficiency is the highest priority for resource-constrained settings, existing wireless security protocols tend to exclude integrity or confidentiality protection for ACK messages. This limits the use of ACKmechanisms for reliable communication. In this paper we describe our schemes for supporting ACK authentication in 802.15.4 networks. Our schemes do not require a pre-setup phase for the sharing of additional secrets and introduce no additional computation or communication overhead. They are practical for use and directly applicable to the 802.15.4 standard.

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