Volume 8 Number 8 (Aug. 2013)
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JSW 2013 Vol.8(8): 1906-1913 ISSN: 1796-217X
doi: 10.4304/jsw.8.8.1906-1913

Quantum Public-Key Cryptosystem Using Non-orthogonal States

Xiaoyu Li1, Lei Li2
1School of Information Engineering, Zhengzhou University, Zhengzhou City, P. R. China
2School of Physics Science and Engineering, Zhengzhou University, Zhengzhou City, P. R. China

Abstract—In this paper we provide a quantum public-key cryptosystem using non-orthogonal states. A user Alice uses a set of particles which are in non-orthogonal quantum states as the public key kept by a key management center (KMC) while she keeps the states of the particles secret as the private key. By the help of KMC any other user can send encrypted message to Alice. Any one including KMC except Alice can’t get the message. On the other hand digital signature can also be achieved by this public-key cryptosystem. There are no entangled states and complex operations needed in our cryptosystem. So it’s easier to carry out in practice and more robust against possible attacks.

Index Terms—Public-key, quantum cryptography, nonorthogonal states, digital signature, security.

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Cite: Xiaoyu Li, Lei Li, "Quantum Public-Key Cryptosystem Using Non-orthogonal States," Journal of Software vol. 8, no. 8, pp. 1906-1913, 2013.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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