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A Feasible Hybrid Quantum-Assisted Digital Signature for Arbitrary Message Length. (arXiv:2303.00767v1 [quant-ph])
cs.CR updates on arXiv.org arxiv.org
Currently used digital signatures based on asymmetric cryptography will be
vulnerable to quantum computers running Shor's algorithm. In this work, we
propose a new quantum-assisted digital signature protocol based on symmetric
keys generated by QKD, that allows signing and verifying messages in a simple
way implementing an integration of currently available classical and quantum
technologies. The protocol is described for a three-user scenario composed of
one sender and two receivers. In contrast to previous schemes, it is
independent of the …
algorithm computers cryptography digital digital signature digital signatures generated hybrid integration keys length message messages protocol qkd quantum quantum computers scenario shor signature signatures signing simple symmetric technologies vulnerable work