Hiding information in orthogonal product quantum states

Authors:
Dexi Zhang;Xiaoyu Li
Affiliations:
College of Computer Science and Technology, Xuchang University, Xuchang City, People's Republic of China;College of Information Engineering, Zhengzhou University, Zhengzhou City, People's Republic of China
Venue:
CEA'07 Proceedings of the 2007 annual Conference on International Conference on Computer Engineering and Applications
Year:
2007

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Abstract

This paper provide a quantum information hiding protocol using orthogonal product states. It is based on the non-locality of an complete orthogonal set of product states in a two-particle quantum system in which each particle has three states. Information is coded in a integral state of the two-particle system. Then the two particles are distributed to two persons who can only perform local operations and classical communications. So the origin information is hidden and it's impossible for two persons to recover it. We show that our protocol is secure and give a detailed procedure to hide data in computers.