Chinese Journal of Network and Information Security ›› 2016, Vol. 2 ›› Issue (11): 30-38.doi: 10.11959/j.issn.2096-109x.2016.00110

• Papers • Previous Articles     Next Articles

Entangled state testing in the quantum Byzantine agreement

Xia WU,Heng-yue JIA,Jian-ming ZHU   

  1. School of Information,Central University of Finance and Economics,Beijing 100081,China
  • Revised:2016-10-09 Online:2016-11-01 Published:2016-11-15
  • Supported by:
    The National Natural Science Foundation of China(61309029);The National Natural Science Foundation of China(U1509214);The National Natural Science Foundation of China(61272398);The Young Teachers Development Fund of Central University of Finance and Economics(QJJ1633)

Abstract:

In distributed computing,Byzantine agreement is a practical method to solve its fault-tolerance problem.There is a variation of the Byzantine agreement which is called detectable Byzantine agreement.This kind of protocol is unsolvable by classical means,but can be solved using quantum resources——quantum entangled states.A typical quantum detectable Byzantine agreement is the GBKCW protocol.The part with the generation and distribution of the lists in the GBKCW protocol was dealed with.In order to keep the GBKCW protocol from the intercept-and-resend strategy,the property of the determination of entangled states were employed to test the sharing state between the parties.

Key words: detectable Byzantine agreement, GBKCW protocol, quantum system, determination of entangled states

CLC Number: 

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