期刊
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷 53, 期 3, 页码 491-495出版社
SCIENCE PRESS
DOI: 10.1007/s11433-010-0145-7
关键词
quantum secret sharing; Grover algorithm; quantum cryptography; quantum search algorithm
资金
- National Natural Science Foundation of China [10775076, 60635040]
- National Basic Research Program of China [2006CB921106]
- Education Ministry of China
A detailed analysis has showed that the quantum secret sharing protocol based on the Grover algorithm (Phys Rev A, 2003, 68: 022306) is insecure. A dishonest receiver may obtain the full information without being detected. A quantum secret-sharing protocol is presents here, which mends the security loophole of the original secret-sharing protocol, and doubles the information capacity.
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