Deploying hybrid quantum-secured infrastructure for applications: When quantum and post-quantum can work together

• URL: http://arxiv.org/abs/2304.04585v1
• Date: Mon, 10 Apr 2023 13:44:21 GMT
• Title: Deploying hybrid quantum-secured infrastructure for applications: When quantum and post-quantum can work together
• Authors: Aleksey K. Fedorov
• Abstract summary: Quantum key distribution is secure against unforeseen technological developments. Post-quantum cryptography is believed to be secure even against attacks with both classical and quantum computing technologies. Various directions in the further development of the full-stack quantum-secured infrastructure are also indicated.
• Score: 0.8702432681310401
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Most currently used cryptographic tools for protecting data are based on certain computational assumptions, which makes them vulnerable with respect to technological and algorithmic developments, such as quantum computing. One existing option to counter this potential threat is quantum key distribution, whose security is based on the laws of quantum physics. Quantum key distribution is secure against unforeseen technological developments. A second approach is post-quantum cryptography, which is a set of cryptographic primitives that are believed to be secure even against attacks with both classical and quantum computing technologies. From this perspective, this study reviews recent progress in the deployment of the quantum-secured infrastructure based on quantum key distribution, post-quantum cryptography, and their combinations. Various directions in the further development of the full-stack quantum-secured infrastructure are also indicated. Distributed applications, such as blockchains and distributed ledgers, are also discussed.

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