Journal
QUANTUM INFORMATION PROCESSING
Volume 14, Issue 11, Pages 4225-4235Publisher
SPRINGER
DOI: 10.1007/s11128-015-1104-z
Keywords
Quantum private comparison; Almost-dishonest; d-dimensional photon
Funding
- Ministry of Science and Technology of the Republic of China, Taiwan [MOST 103-2221-E-006-177]
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This article proposes the first multi-party quantum private comparison protocol with an almost-dishonest third party, where many participants can compare their secrets in either ascending or descending order without revealing any secret information to anyone. In order to do that, the participants need not to pre-share any secret key between them. As a consequence, the proposed scheme can be enforced in several environments such as multi-party ranking and multi-data ranking protocol.
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