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Sustainability 2016, 8(9), 876; doi:10.3390/su8090876

Sustainable and Practical Firmware Upgrade for Wireless Access Point Using Password-Based Authentication

School of Electronics Engineering, Kyungpook National University, Daegu 41566, Korea
Author to whom correspondence should be addressed.
Academic Editors: James Park and Han-Chieh Chao
Received: 22 June 2016 / Revised: 23 August 2016 / Accepted: 23 August 2016 / Published: 31 August 2016
(This article belongs to the Special Issue Advanced IT based Future Sustainable Computing)
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Wireless access points (WAPs) are devices that provide Internet connectivity to devices such as desktops, laptops, smartphones, and tablets. Hence, it is important to provide sufficient availability to devices and security for the traffic that is routed by a WAP. However, attackers can decrease the network bandwidth or obtain the traffic including private data such as search histories, login information, and device usage patterns by exploiting the vulnerabilities in firmware upgrades to install malicious firmware. To address this problem, we propose a sustainable and practical firmware upgrade for a WAP using password-based authentication. The proposed upgrade protocol ensures security by adding freshness to the firmware whenever a firmware upgrade occurs. This freshness is different for each event and each firmware; therefore, even if the freshness of one firmware is exposed, the others are secure. In addition, confidentiality, integrity, and authentication are ensured. Furthermore, the proposed protocol can be easily implemented and adapted to WAPs. Experiments are performed to evaluate the upgrade time, resource usage, and code size in wired and wireless connected environments by implementing a prototype and analyzing the security of the protocol. The results show that the proposed upgrade is secure and practical. View Full-Text
Keywords: practical firmware upgrade; password-based authentication; sustainable wireless access points practical firmware upgrade; password-based authentication; sustainable wireless access points

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Jang, J.; Jung, I.Y. Sustainable and Practical Firmware Upgrade for Wireless Access Point Using Password-Based Authentication. Sustainability 2016, 8, 876.

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