A Design of Key Agreement Scheme Between Lightweight Devices in IoT Environment
The IoT (Internet of Things) environment develops in which all the necessary information among things is exchanged due to the development of information and communications. The home IoT continuously develops, because of a merit that a user can control the
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Abstract. The IoT (Internet of Things) environment develops in which all the necessary information among things is exchanged due to the development of information and communications. The home IoT continuously develops, because of a merit that a user can control the home IoT remotely in the IoT environment. As the home IoT environment is built, communications using low specification devices, as well as high specifications devices, also increase. For safety communications in the home IoT environment, encryption algorithms, such as RSA providing message encryption and authorization, are required. However, they are difficult to be used for the low specification devices, where calculation function is limited in the home IoT environment. This study actually proposes the protocol by which low power and low specification devices communicate with user’s smart devices through safe authorization procedure in the home IoT environment. The protocol proposed in this paper has a merit that it is safe, and it protects the re-use attack and middle attack. Keywords: IoT
Smart home Authentication
1 Introduction The IoT environment recently develops exchanging all the information required among things through the Internet [1]. Concerning such an IoT environment, the home IoT environment products including switches, plugs, energy meters, thermostats, sensors detecting open and door locks are continuously released in the market. There is a convenience that the users in the home IoT environment can control devices in their homes with their own smart devices anywhere, anytime. A market research company, Strategy Analytics, predicted that the global smart home market would grow from USD 48 billion (KRW 54 trillion) in 2014 to USD 115 billion (KRW 129 trillion) in 2019 with annual average growth rate of 19 %. Korean market was also predicted to grow from KRW 6.8908 trillion in 2013 to KRW 18.2583 trillion in 2017 with annual average growth rate of 27.6 % [2]. Because ultra-small IoT devices are operated with low power in the home IoT environment, unlike existing PCs or mobile devices, computing performance is lower, and storage space is limited. IoT platform is mainly connected wireless, and thus, such protocols as ZigBee, Bluetooth, 6LoWPAN, Z-Wave, IEEE802.15.4, LoRA and Wi-Fi are used [3]. These protocols support diversely codes ranging from the codes with low security such as TDES and SHA-1 to the codes with high security such as RSA-2048 [4]. However, these standard protocols © Springer Nature Singapore Pte Ltd. 2017 J.J. (Jong Hyuk) Park et al. (eds.), Advances in Computer Science and Ubiquitous Computing, Lecture Notes in Electrical Engineering 421, DOI 10.1007/978-981-10-3023-9_37
A Design of Key Agreement Scheme Between Lightweight Devices
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do not support the code algorithms equipped with weight-light characteristics suitable for the IoT environment in reality. This paper proposes the protocol by which low power processors can communicate through safe authorization procedure. This paper is constructed as follows: Sect. 2 de
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