Unitary operation attack and the improvement on probabilistic quantum key distribution

Tzu Han Lin; Chun Wei Yang; Tzonelih Huang

Unitary operation attack and the improvement on probabilistic quantum key distribution

Tzu Han Lin, Chun Wei Yang, Tzonelih Huang

Department of Computer Science and Information Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	757-762
Number of pages	6
Journal	Quantum Information and Computation
Volume	14
Issue number	9-10
Publication status	Published - 2014 Jan 1

All Science Journal Classification (ASJC) codes

Theoretical Computer Science
Statistical and Nonlinear Physics
Nuclear and High Energy Physics
Mathematical Physics
Physics and Astronomy(all)
Computational Theory and Mathematics

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abstract = "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.",

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