In the realm of Industry 4.0, the Open Platform Communications Unified Architecture (OPC UA) enables secure and efficient communication among diverse industrial machines. This paper explores the potential of OPC UA, specifically its File Transfer mechanism, for secure inter-company firmware transmission: in particular, we implement a design that authorizes an Automatic Test Equipment (ATE) to download a firmware from a remote server for On-Board Programming (OBP). Our approach harnesses the inherent strengths of the protocol - robust data integrity, encryption, and authentication - to achieve a "secure by design" solution. This enhances firmware transmission and introduces a valuable use case for the OPC UA community, particularly those exploring File Transfer capabilities. We implemented our solution with the open-source OPC UA-.NETStandard library and evaluated it with the OPC UA Exploitation Framework to identify and address potential vulnerabilities. This paper showcases the real-world effectiveness and scalability of the OPC UA File Transfer mechanism, paving the way for secure and efficient collaboration in Industry 4.0.

Adopting OPC UA for Efficient and Secure Firmware Transmission in Industry 4.0 Scenarios

Biondani, Francesco
;
Cheng, Dong Seon;Fummi, Franco
2024-01-01

Abstract

In the realm of Industry 4.0, the Open Platform Communications Unified Architecture (OPC UA) enables secure and efficient communication among diverse industrial machines. This paper explores the potential of OPC UA, specifically its File Transfer mechanism, for secure inter-company firmware transmission: in particular, we implement a design that authorizes an Automatic Test Equipment (ATE) to download a firmware from a remote server for On-Board Programming (OBP). Our approach harnesses the inherent strengths of the protocol - robust data integrity, encryption, and authentication - to achieve a "secure by design" solution. This enhances firmware transmission and introduces a valuable use case for the OPC UA community, particularly those exploring File Transfer capabilities. We implemented our solution with the open-source OPC UA-.NETStandard library and evaluated it with the OPC UA Exploitation Framework to identify and address potential vulnerabilities. This paper showcases the real-world effectiveness and scalability of the OPC UA File Transfer mechanism, paving the way for secure and efficient collaboration in Industry 4.0.
2024
OPC UA
File Transfer
Industry 4.0
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11562/1138486
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