Journal
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
Volume 53, Issue 4, Pages 1085-1091Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-013-1903-x
Keywords
Multi-party quantum private comparison; d-Dimensional basis state; Correctness; Security
Categories
Funding
- High Technology Research and Development Program of China (863 Program) [2011AA01A107]
- National Key Technology Research and Development Program of the Ministry of Science and Technology of China [2012BAH37F02-02]
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We present a new multi-party quantum private comparison protocol based on d-dimensional basis states. Different from previous protocols, our protocol have some advantages. n parties can determine wether their private information are equal or not in one time execution of our protocol. Without using the entangled character of d-dimensional basis states, we only need to perform the local unitary operation on particles to encode the information and to get the comparison result. We also discuss that our protocol can withstand various kinds of outside attacks and participant attacks.
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