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Robust multi-party semi-quantum private comparison protocols with decoherence-free states against collective noises. (arXiv:2301.11119v1 [cs.CR])
cs.CR updates on arXiv.org arxiv.org
Based on decoherence-free states, two multi-party semi-quantum private
comparison protocols are proposed to counteract collective noises. One could
resist the collective-dephasing noise well, whereas the other could resist the
collective-rotation noise. Multiple classical participants could compare their
secret information by performing the proposed protocols once. It is manifested
that the proposed protocols could resist both external attacks and internal
attacks. Besides, the operations of our protocols were simulated on the IBM
Quantum Experience.
attacks external free information internal noise operations party performing private protocols quantum rotation secret states