Security and privacy issues have attracted the attention of researchers in the field of IoT as the information processing scale grows in sensor networks.Quantum computing,theoretically known as an absolutely secure wa...Security and privacy issues have attracted the attention of researchers in the field of IoT as the information processing scale grows in sensor networks.Quantum computing,theoretically known as an absolutely secure way to store and transmit information as well as a speed-up way to accelerate local or distributed classical algorithms that are hard to solve with polynomial complexity in computation or communication.In this paper,we focus on the phase estimation method that is crucial to the realization of a general multi-party computing model,which is able to be accelerated by quantum algorithms.A novel multi-party phase estimation algorithm and the related quantum circuit are proposed by using a distributed Oracle operator with iterations.The proved theoretical communication complexity of this algorithm shows it can give the phase estimation before applying multi-party computing efficiently without increasing any additional complexity.Moreover,a practical problem of multi-party dating investigated shows it can make a successful estimation of the number of solution in advance with zero communication complexity by utilizing its special statistic feature.Sufficient simulations present the correctness,validity and efficiency of the proposed estimation method.展开更多
Universality is an important property in software and hardware design.This paper concentrates on the universality of quantum secure multi-party computation(SMC)protocol.First of all,an in-depth study of universality h...Universality is an important property in software and hardware design.This paper concentrates on the universality of quantum secure multi-party computation(SMC)protocol.First of all,an in-depth study of universality has been conducted,and then a nearly universal protocol is proposed by using the Greenberger-Horne-Zeilinger(GHZ)-like state and stabilizer formalism.The protocol can resolve the quantum SMC problem which can be deduced as modulo subtraction,and the steps are simple and effective.Secondly,three quantum SMC protocols based on the proposed universal protocol:Quantum private comparison(QPC)protocol,quantum millionaire(QM)protocol,and quantum multi-party summation(QMS)protocol are presented.These protocols are given as examples to explain universality.Thirdly,analyses of the example protocols are shown.Concretely,the correctness,fairness,and efficiency are confirmed.And the proposed universal protocol meets security from the perspective of preventing inside attacks and outside attacks.Finally,the experimental results of the example protocols on the International Business Machines(IBM)quantum platform are consistent with the theoretical results.Our research indicates that our protocol is universal to a certain degree and easy to perform.展开更多
本文提出一种新颖的基于圆上单向量子游走(One-Direction Quantum Walks on a Circle,ODQWC)的量子安全多方求和协议,以环形方式传输量子游走态,在不泄密的前提下实现n位秘密持有者的不同整数序列的求和.本文协议采用两粒子乘积态而非...本文提出一种新颖的基于圆上单向量子游走(One-Direction Quantum Walks on a Circle,ODQWC)的量子安全多方求和协议,以环形方式传输量子游走态,在不泄密的前提下实现n位秘密持有者的不同整数序列的求和.本文协议采用两粒子乘积态而非量子纠缠态作为初始量子资源,仅要求不同秘密持有者对量子游走态施加单向演化算子,但不需要她们进行量子纠缠交换操作.另外,该协议仅需要进行单粒子测量.安全性分析表明,该协议可以抵抗外部攻击和参与者攻击,在特定条件下可转化为基于ODQWC的量子安全多方比特求和协议.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos.61501247,61373131 and 61702277,the Six Talent Peaks Project of Jiangsu Province(Grant No.2015-XXRJ-013)Natural Science Foundation of Jiangsu Province(Grant No.BK20171458)+3 种基金the Natural Science Foundation of the Higher Education Institutions of Jiangsu Province(China under Grant No.16KJB520030)the NUIST Research Foundation for Talented Scholars under Grant Nos.2015r014,PAPD and CICAEET fundsfunded in part by the Science and Technology Development Fund,Macao SAR(File No.SKL-IOTSC-2018-2020,0018/2019/AKP,0008/2019/AGJ,and FDCT/194/2017/A3)in part by the University of Macao under Grant Nos.MYRG2018-00248-FST and MYRG2019-0137-FST.
文摘Security and privacy issues have attracted the attention of researchers in the field of IoT as the information processing scale grows in sensor networks.Quantum computing,theoretically known as an absolutely secure way to store and transmit information as well as a speed-up way to accelerate local or distributed classical algorithms that are hard to solve with polynomial complexity in computation or communication.In this paper,we focus on the phase estimation method that is crucial to the realization of a general multi-party computing model,which is able to be accelerated by quantum algorithms.A novel multi-party phase estimation algorithm and the related quantum circuit are proposed by using a distributed Oracle operator with iterations.The proved theoretical communication complexity of this algorithm shows it can give the phase estimation before applying multi-party computing efficiently without increasing any additional complexity.Moreover,a practical problem of multi-party dating investigated shows it can make a successful estimation of the number of solution in advance with zero communication complexity by utilizing its special statistic feature.Sufficient simulations present the correctness,validity and efficiency of the proposed estimation method.
基金supported by the National Key Research and Development Program of China(2020YFB1805405)the 111 Project(B21049)+1 种基金the Foundation of Guizhou Provincial Key Laboratory of Public Big Data(2019BDKFJJ014)the Fundamental Research Funds for the Central Universities(2020RC38)
文摘Universality is an important property in software and hardware design.This paper concentrates on the universality of quantum secure multi-party computation(SMC)protocol.First of all,an in-depth study of universality has been conducted,and then a nearly universal protocol is proposed by using the Greenberger-Horne-Zeilinger(GHZ)-like state and stabilizer formalism.The protocol can resolve the quantum SMC problem which can be deduced as modulo subtraction,and the steps are simple and effective.Secondly,three quantum SMC protocols based on the proposed universal protocol:Quantum private comparison(QPC)protocol,quantum millionaire(QM)protocol,and quantum multi-party summation(QMS)protocol are presented.These protocols are given as examples to explain universality.Thirdly,analyses of the example protocols are shown.Concretely,the correctness,fairness,and efficiency are confirmed.And the proposed universal protocol meets security from the perspective of preventing inside attacks and outside attacks.Finally,the experimental results of the example protocols on the International Business Machines(IBM)quantum platform are consistent with the theoretical results.Our research indicates that our protocol is universal to a certain degree and easy to perform.
文摘本文提出一种新颖的基于圆上单向量子游走(One-Direction Quantum Walks on a Circle,ODQWC)的量子安全多方求和协议,以环形方式传输量子游走态,在不泄密的前提下实现n位秘密持有者的不同整数序列的求和.本文协议采用两粒子乘积态而非量子纠缠态作为初始量子资源,仅要求不同秘密持有者对量子游走态施加单向演化算子,但不需要她们进行量子纠缠交换操作.另外,该协议仅需要进行单粒子测量.安全性分析表明,该协议可以抵抗外部攻击和参与者攻击,在特定条件下可转化为基于ODQWC的量子安全多方比特求和协议.
