Quantum Secure Anonymous Communication Networks
Mohammad Saidur Rahman, Stephen DiAdamo, Miralem Mehic, Charles, Fleming

TL;DR
This paper proposes a quantum-secure anonymous communication network that integrates quantum key distribution without trusted nodes, enhancing privacy against quantum attacks in networks like Tor.
Contribution
It introduces a novel protocol and architecture for quantum-resistant, trustless key distribution suitable for anonymous networks like Tor.
Findings
Developed a protocol for trustless quantum key distribution
Designed a network architecture integrating QKD with ACNs
Achieved quantum resistance in anonymous communication
Abstract
Anonymous communication networks (ACNs) enable Internet browsing in a way that prevents the accessed content from being traced back to the user. This allows a high level of privacy, protecting individuals from being tracked by advertisers or governments, for example. The Tor network, a prominent example of such a network, uses a layered encryption scheme to encapsulate data packets, using Tor nodes to obscure the routing process before the packets enter the public Internet. While Tor is capable of providing substantial privacy, its encryption relies on schemes, such as RSA and Diffie-Hellman for distributing symmetric keys, which are vulnerable to quantum computing attacks and are currently in the process of being phased out. To overcome the threat, we propose a quantum-resistant alternative to RSA and Diffie-Hellman for distributing symmetric keys, namely, quantum key distribution…
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Taxonomy
TopicsQuantum Computing Algorithms and Architecture · Internet Traffic Analysis and Secure E-voting · Quantum Information and Cryptography
