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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.21 No.3&4 March 2021 |
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Secure multi-party quantum conference and XOR computation
(pp0203-0232)
Nayana Das and Goutam Paul
doi:
https://doi.org/10.26421/QIC21.3-4-2
Abstracts:
Quantum conference is a process of securely exchanging messages between
three or more parties, using quantum resources. A Measurement Device
Independent Quantum Dialogue (MDI-QD)
protocol, which is secure against information leakage, has been proposed
(Quantum Information Processing 16.12 (2017): 305) in 2017, is proven to
be insecure against intercept-and-resend attack strategy. We first
modify this protocol and generalize this MDI-QD to a three-party quantum
conference and then to a multi-party quantum conference. We also propose
a protocol for quantum multi-party XOR computation. None of these three
protocols proposed here use entanglement as a resource and we prove the
correctness and security of our proposed protocols.
key words:
Quantum conference.
Multi-party
quantum conference. Multi-party
XOR. Without entanglement |
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