Increasing Interference Detection in Quantum Cryptography using the Quantum Fourier Transform

arXiv:2404.12507v1 Announce Type: cross
Abstract: Quantum key distribution (QKD) and quantum message encryption protocols promise a secure way to distribute information while detecting eavesdropping. However, current protocols may suffer from significantly reduced eavesdropping protection when only a subset of qubits are observed by an attacker. In this paper, we present two quantum cryptographic protocols leveraging the quantum Fourier transform (QFT) and show their higher effectiveness even when an attacker measures only a subset of the transmitted qubits. The foremost of …

arxiv attacker cryptography cs.cr current detection distribution eavesdropping encryption information interference key may message protection protocols qkd quant-ph quantum quantum cryptography quantum key distribution qubits transform