Abstract
The Industrial IoT is one of the key technologies to improve industrial production efficiency. The entire production process usually involves multiple production regions and numerous smart devices (sensors and actuators). The efficiency of the Industrial IoT is limited by this strong coupling relationship between the subsystem and the sensors and actuators. In this paper, to unleash the potential of Industrial IoT, a safe and reliable data sharing mechanism of sensors and actuators is proposed. We deployed distributed identity authentication and data proxy services in various regions. In the device authentication process, we used identity-based encryption algorithms, and we solved the trust problem between different regions by introducing a private blockchain. In addition, we designed the model of device capability (MDC) to describe the device, enabling it to be shared with a standard interface. Finally, we conducted many performance tests on the proposed mechanism. The test results verified the effectiveness and efficiency of the proposed mechanism.
Highlights
The core feature of Industry 4.0 is the information interconnection of the entire production process
Guided by the above principles and objectives, we proposed a sharing mechanism of sensors and actuators (SMSA) based on a blockchain-assisted IBC (Identity-Based Cryptosystem)
To improve the compatibility of the mechanism to weak terminals, we reduced the encryption and calculation links that need to be performed on the terminal side in the authentication mechanism
Summary
The core feature of Industry 4.0 is the information interconnection of the entire production process. In the engineering practice of industrial production companies represented by coal mines, we always find it difficult to call the data of the company’s existing sensors and actuators This restricts the efficient operation of the I-IoT. Identity privacy protection: The mechanism should ensure that the device identification information is not leaked and prevent malicious users from intercepting data packets to know what resources entities access. Guided by the above principles and objectives, we proposed a sharing mechanism of sensors and actuators (SMSA) based on a blockchain-assisted IBC (Identity-Based Cryptosystem). In this mechanism, terminal devices can safely and reliably share their capabilities.
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