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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.14 No.9&10 July 2014 |
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Unitary operation attack and the improvement on probabilistic quantum
key distribution
(pp0757-0762)
Tzu-Han
Lin, Chun-Wei Yang, and Tzonelih Hwang
doi:
https://doi.org/10.26421/QIC14.9-10-3
Abstracts:
This study points out that a malicious communicant in
Hwang et al.’s probabilistic quantum key distribution (PQKD) protocol
can manipulate the secret key without being detected by using the
unitary operation attack. Accordingly, the security requirements of a
PQKD protocol, i.e., unpredictability and fairness, cannot be satisfied
in their protocol. A possible solution is also provided to solve the
problem.
Key words:
Entanglement swapping; Probabilistic quantum key
distribution; Unitary operation attack; Quantum cryptography |
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