Quantum Key Distribution for Critical Infrastructures: Towards Cyber Physical Security for Hydropower and Dams

• URL: http://arxiv.org/abs/2310.13100v1
• Date: Thu, 19 Oct 2023 18:59:23 GMT
• Title: Quantum Key Distribution for Critical Infrastructures: Towards Cyber Physical Security for Hydropower and Dams
• Authors: Adrien Green, Jeremy Lawrence, George Siopsis, Nicholas Peters, Ali Passian
• Abstract summary: Hydropower facilities are often remotely monitored or controlled from a centralized remote-control room. Communications may use the internet to remote control a facility's control systems, or it may involve sending control commands over a network from a control room to a machine. The content could be encrypted and decrypted using a public key to protect the communicated information. In contrast, quantum key distribution (QKD) is not based upon a computational problem, and offers an alternative to conventional public-key cryptography.
• Score: 0.4166512373146748
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Hydropower facilities are often remotely monitored or controlled from a centralized remote-control room. Additionally, major component manufacturers monitor the performance of installed components. While these communications enable efficiencies and increased reliability, they also expand the cyber-attack surface. Communications may use the internet to remote control a facility's control systems, or it may involve sending control commands over a network from a control room to a machine. The content could be encrypted and decrypted using a public key to protect the communicated information. These cryptographic encoding and decoding schemes have been shown to be vulnerable, a situation which is being exacerbated as more advances are made in computer technologies such as quantum computing. In contrast, quantum key distribution (QKD) is not based upon a computational problem, and offers an alternative to conventional public-key cryptography. Although the underlying mechanism of QKD ensures that any attempt by an adversary to observe the quantum part of the protocol will result in a detectable signature as an increased error rate, potentially even preventing key generation, it serves as a warning for further investigation. When the error rate is low enough and enough photons have been detected, a shared private key can be generated known only to the sender and receiver. We describe how this novel technology and its several modalities could benefit the critical infrastructures of dams or hydropower facilities. The presented discussions may be viewed as a precursor to a quantum cybersecurity roadmap for the identification of relevant threats and mitigation.

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