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Enhanced quantum signature scheme using quantum amplitude amplification operators

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  • Basma Elias
  • Ahmed Younes

Abstract

Quantum signature is the use of the principles of quantum computing to establish a trusted communication between two parties. In this paper, a quantum signature scheme using amplitude amplification techniques will be proposed. To secure the signature, the proposed scheme uses a partial diffusion operator and a diffusion operator to hide/unhide certain quantum states during communication. The proposed scheme consists of three phases, preparation phase, signature phase and verification phase. To confuse the eavesdropper, the quantum states representing the signature might be hidden, not hidden or encoded in Bell states. It will be shown that the proposed scheme is more secure against eavesdropping when compared with relevant quantum signature schemes.

Suggested Citation

  • Basma Elias & Ahmed Younes, 2021. "Enhanced quantum signature scheme using quantum amplitude amplification operators," PLOS ONE, Public Library of Science, vol. 16(10), pages 1-13, October.
    • Handle: RePEc:plo:pone00:0258091
    DOI: 10.1371/journal.pone.0258091
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