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Appl. Sci. 2015, 5(3), 446-458; doi:10.3390/app5030446

Research of Integrity and Authentication in OPC UA Communication Using Whirlpool Hash Function

North China Electric Power University, No.2 Beinong Road, Changping District, Beijing 102206, China
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Author to whom correspondence should be addressed.
Academic Editor: Christos Verikoukis
Received: 21 June 2015 / Revised: 13 August 2015 / Accepted: 17 August 2015 / Published: 21 August 2015
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Abstract

Currently, the demand for information security of industrial control systems is becoming more and more urgent, but the security model proposed by OPC UA cannot meet the practical requirements of industrial control systems. For this reason, this paper proposes a new security communication model to provide integrity and authentication in OPC UA. This model uses the Whirlpool hash function to check integrity and generates digital signature along with RSA in message transmission. Compared to SHA-1, Whirlpool has a higher calculation speed and lower collision rate. Through this model, terminals in the upper layer can communicate with field devices via a channel with high security and efficiency. View Full-Text
Keywords: industrial control system; information security; OPC UA; Whirlpool hash function industrial control system; information security; OPC UA; Whirlpool hash function
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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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Wu, K.; Li, Y.; Chen, L.; Wang, Z. Research of Integrity and Authentication in OPC UA Communication Using Whirlpool Hash Function. Appl. Sci. 2015, 5, 446-458.

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