Journal
QUANTUM INFORMATION PROCESSING
Volume 14, Issue 8, Pages 2981-2996Publisher
SPRINGER
DOI: 10.1007/s11128-015-1015-z
Keywords
Quantum key distribution; Semiquantum key distribution; Complete robustness; Joint attack; Measurement capability
Funding
- National Natural Science Foundation [61272058, 61073054]
- Natural Science Foundation of Guangdong Province of China [S2012040007324, 10251027501000004]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20100171110042]
- Science and Technology Project of Jiangmen City of China [[2011]131]
- Foundation of Graduate Education Reform of Wuyi University [YJS-JGXM-14-02]
- FCT [PEst-OE/EEI/LA0008/2013]
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In the existing semiquantum key distribution (SQKD) protocols, the both parties must measure qubits in some bases. In this paper, we show that the classical party's measurement capability is not necessary by constructing an SQKD protocol without invoking the classical Alice's measurement capability. In particular, we prove that the proposed SQKD protocol is completely robust against joint attacks. Compared with the existing SQKD protocols, the number of the quantum states sent by Alice and Bob is decreased.
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