Secure Key Agreement Method Considering Secure Strength of Out-of-Band Channel between Devices in Internet of Things 


Vol. 42,  No. 10, pp. 1973-1981, Oct.  2017
10.7840/kics.2017.42.10.1973


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  Abstract

To provide secure IoT(Internet of Things) services, it is required to protect the data securely that is delivered between IoT devices. To do so, a secret key between the two communication devices has to be configured securely. For the purpose several secure key agreement methods based on PSK(Pre-Shared-Key) have been proposed in the literatures. However, it is practically difficult to apply the PSK based methods for devices that are connected in the first time because there is no pre-configured PSK between the two devices. To solve the problem, we propose methods utilizing the DH(Diffie-Hellman) key exchange algorithm and OOB Out-of-Band) channel. Most related work did not considerer various cases, where two devices utilize different OOB channel, the security strength of OOB channel is different, the communication range of the OOB channel is different, and others. In this paper, however, we categorize the security strength of OOB channels according to environments and communication means, then we suggest protocols based on the categorized OOB channel.

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  Cite this article

[IEEE Style]

H. J. Ban and N. Kang, "Secure Key Agreement Method Considering Secure Strength of Out-of-Band Channel between Devices in Internet of Things," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 10, pp. 1973-1981, 2017. DOI: 10.7840/kics.2017.42.10.1973.

[ACM Style]

Hyo Jin Ban and Namhi Kang. 2017. Secure Key Agreement Method Considering Secure Strength of Out-of-Band Channel between Devices in Internet of Things. The Journal of Korean Institute of Communications and Information Sciences, 42, 10, (2017), 1973-1981. DOI: 10.7840/kics.2017.42.10.1973.

[KICS Style]

Hyo Jin Ban and Namhi Kang, "Secure Key Agreement Method Considering Secure Strength of Out-of-Band Channel between Devices in Internet of Things," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 10, pp. 1973-1981, 10. 2017. (https://doi.org/10.7840/kics.2017.42.10.1973)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880