|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Reverse reconciliation for continuous variable quantum key distribution显示文摘An efficient and practical post-processing technique based on reverse reconciliation for continuous variable quantum key distribution is proposed and simulated with low-density parity check (LDPC) codes. MultiLevel Coding/ MultiStage Decoding, which fully utilizes optimization technique such as vector quantization and iterative decoding and the optimal channel coding most close to the Shannon limit, was used to realize efficient reverse reconciliation algorithm. Simulation results showed that the proposed method can improve the secure key distribution rate to 2.2 kb/s and the coding efficiency to 0.89 over 20 km in single-mode optical fiber. Moreover, there still is room for much improvement. | LU ZhiXin 1,2 , YU Li 1,2 , LI Kang 1,2 , LIU BingCan 1,2,3 , LIN JianGui 1,2 , JIAO RongZhen 1,2 & YANG BoJun 1,21 School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China 2 Key Laboratory of Information Photonics and Optical Communication, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China 3 Department of Fundamental Courses, Academy of Armored Force Engineering, Beijing 100072, China | 2010 | Science China(Physics,Mechanics & Astronomy)2010，53，1： | 12 |
| 2 | Comparing the efficiencies of different detect strategies in the ping-pong protocol显示文摘The way to compare the efficiencies of different detect strategies (DSs) in the 'ping-pong' protocol is studied. The trade-off between information gain and dis- turbance is calculated and compared for different DSs. The comparison result primely tallies with our intuitional analysis. It is shown that the analysis of this trade-off is a feasible way to compare the performances of different DSs in theory. | GAO Fei GUO FenZhuo WEN QiaoYan ZHU FuChen | 2008 | Science China(Physics,Mechanics & Astronomy)2008，51，12： | 7 |
| 3 | Quantum private query: A new kind of practical quantum cryptographic protocol显示文摘This research aims to review the developments in the field of quantum private query(QPQ), a type of practical quantum cryptographic protocol. The primary protocol, as proposed by Jacobi et al., and the improvements in the protocol are introduced.Then, the advancements made in sability, theoretical security, and practical security are summarized. Additionally, we describe two new results concerning QPQ security. We emphasize that a procedure to detect outside adversaries is necessary for QPQ, as well as for other quantum secure computation protocols, and then briefly propose such a strategy. Furthermore, we show that the shift-and-addition or low-shift-and-addition technique can be used to obtain a secure real-world implementation of QPQ, where a weak coherent source is used instead of an ideal single-photon source. | Fei Gao SuJuan Qin Wei Huang QiaoYan Wen | 2019 | Science China(Physics,Mechanics & Astronomy)2019，62，7： | 6 |
| 4 | Plug-and-play dual-phase-modulated continuous-variable quantum key distribution with photon subtraction显示文摘Plug-and-play dual-phase-modulated continuous-variable quantum key distribution (CVQKD) protocol can effectively solve the security loopholes associated with transmitting local oscillator (LO). However, this protocol has larger excess noise compared with one-way Gaussian-modulated coherent-states scheme, which limits the maximal transmission distance to a certain degree. In this paper, we show a reliable solution for this problem by employing non-Gaussian operation, especially, photon subtraction operation, which provides a way to improve the performance of plug-and-play dual-phase-modulated CVQKD protocol. The photon subtraction operation shows experimental feasibility in the plug-andplay configuration since it can be implemented under current technology. Security results indicate that the photon subtraction operation can evidently enhance the maximal transmission distance of the plug-and-play dual-phase-modulated CVQKD protocol, which effectively makes up the drawback of the original one. Furthermore, we achieve the tighter bound of the transmission distance by considering the finite-size effect, which is more practical compared with that achieved in the asymptotic limit. | Xiao-Dong Wu Yi-Jun Wang Hai Zhong Qin Liao Ying Guo | 2019 | Frontiers of physics2019，14，4： | 3 |
| 5 | Survey on Quantum Information Security显示文摘The security of classical cryptography based on computational complexity assumptions has been severely challenged with the rapid development of quantum computers and quantum algorithms. Quantum cryptography, which offers unconditional security based on some principles of quantum mechanics, has become a significant branch and hotspot in the field of modern cryptography research. In this paper, we review the research and development of several important and well-studied branches of quantum cryptography in terms of theory and experiment, including quantum key distribution, quantum secret sharing, quantum secure direct communication, quantum signature, and quantum private query. We also briefly review the research and development of some other branches which are currently in the stage of theoretical research but receive widespread concern from academia, including quantum private comparison, quantum anonymous voting, quantum secure multi-party summation, quantum sealed-bid auction, quantum public key cryptosystem, quantum key agreement, quantum dialogue, and quantum identity authentication. In addition, we discuss some open issues and future research directions for the branches referred to above. | Huanguo Zhang Zhaoxu Ji Houzhen Wang Wanqing Wu | 2019 | China Communications2019，16，10： | 2 |
| 6 | Measurement-device-independent quantum key distribution with hyper-encoding显示文摘Measurement device-independent quantum key distribution(MDI-QKD) protocols are immune to all possible attacks on the photon detectors during quantum communication, but their key generation rates are low compared with those of other QKD schemes.Increasing each individual photon’s channel capacity is an efficient way to increase the key generation rate, and high-dimensional(HD) encoding is a powerful tool for increasing the channel capacity of photons. In this paper, we propose an HD MDI-QKD protocol with qudits hyper-encoded in spatial mode and polarization degrees of freedom(DOFs). In the proposed protocol, keys can be generated using the spatial mode and polarization DOFs simultaneously. The proposed protocol is unconditionally secure,even for weak coherent pulses with decoy states. The proposed MDI-QKD protocol may be useful for future quantum secure communication applications. | Zheng-Xia Cui Wei Zhong Lan Zhou Yu-Bo Sheng | 2019 | Science China(Physics,Mechanics & Astronomy)2019，62，11： | 2 |
| 7 | Dynamic Cluster Key Management Scheme on Wireless Sensor Networks显示文摘Wireless sensor networks are open architectures, so any potential threat can easily intercept, wiretap and counterfeit the information. Therefore, the safety of WSN is very important. Since any single key system cannot guarantee the security of the wireless sensor network for communications, this paper introduces a hierarchical key management scheme based on the different abilities of different sensor nodes in the clustered wireless sensor network. In this scheme, the nodes are distributed into several clusters, and a cluster head must be elected for each cluster. Private communication between cluster heads is realized through the encryption system based on the identity of each head while private communication between cluster nodes in a same cluster head is achieved through the random key preliminary distribution system. Considering the characteristics of WSN, we adopt dynamic means called dynamic cluster key management scheme to deal with master key, so master key will be updated according to the changed dynamic network topology. For cluster head node plays a pivotal role in this scheme, a trust manage-ment system should be introduced into the election of the cluster head which will exclude the malicious node from outside the cluster, thus improve the whole network security. | Pei Qingqi Li Hongning Pang Liaojun Hao Yin Hong Tang | 2010 | China Communications2010，7，1： | 2 |
| 8 | High-rate and high-capacity measurement-device-independent quantum key distribution with Fibonacci matrix coding in free space显示文摘This paper proposes a high-rate and high-capacity measurement-device-independent quantum key distribution(MDI-QKD) protocol with Fibonacci-valued and Lucas-valued orbital angular momentum(OAM) entangled states in free space. In the existing MDI-OAM-QKD protocols, the main encoding algorithm handles encoded numbers in a bit-by-bit manner. To design a fast encoding algorithm, we introduce a Fibonacci matrix coding algorithm, by which, encoded numbers are separated into segments longer than one bit. By doing so, when compared to the existing MDI-OAM-QKD protocols, the new protocol can effectively increase the key rate and the coding capacity. This is because Fibonacci sequences are used in preparing OAM entangled states, reducing the misattribution errors(which slow down the execution cycle of the entire QKD) in QKD protocols. Moreover, our protocol keeps the data blocks as small as possible, so as to have more blocks in a given time interval. Most importantly, our proposed protocol can distill multiple Fibonacci key matrices from the same block of data, thus reducing the statistical fluctuations in the sample and increasing the final QKD rate. Last but not the least, the sender and the receiver can omit classical information exchange and bit flipping in the secure key distillation stage. | Hong LAI Mingxing LUO Josef PIEPRZYK Jun ZHANG Lei PAN Mehmet A.ORGUN | 2018 | Science China(Information Sciences)2018，61，6： | 1 |
| 9 | Analysis of Security Vulnerabilities and Countermeasures of Ethernet Passive Optical Network(EPON)显示文摘Ethernet-based Passive Optical Network(EPON) is considered a very promising solution for the first mile problem of the next generation networks.Due to its particular characteristic of shared media structure,EPON suffers many security vulnerabilities. Communication security must be guaranteed when EPON is applied in practice.This paper gives a general introduction to the EPON system,analyzes the potential threats and attacks pertaining to the EPON system,and presents effective countermea-sures against these threats and attacks with emphasis on the authentication protocols and key distribution. | Stamatios V.Kartalopoulos Pramode K.Verma | 2007 | China Communications2007，4，3： | 1 |
| 10 | Finite-size analysis of continuous-variable quantum key distribution with entanglement in the middle显示文摘Continuous-variable quantum key distribution(CVQKD) protocols with entanglement in the middle(EM) enable long maximal transmission distances for quantum communications. For the security analysis of the protocols, it is usually assumed that Eve performs collective Gaussian attacks and there is a lack of finite-size analysis of the protocols. However,in this paper we consider the finite-size regime of the EM-based CVQKD protocols by exposing the protocol to collective attacks and coherent attacks. We differentiate between the collective attacks and the coherent attacks while comparing asymptotic key rate and the key rate in the finite-size scenarios. Moreover, both symmetric and asymmetric configurations are collated in a contrastive analysis. As expected, the derived results in the finite-size scenarios are less useful than those acquired in the asymptotic regime. Nevertheless, we find that CVQKD with entanglement in the middle is capable of providing fully secure secret keys taking the finite-size effects into account with transmission distances of more than 30 km. | 郭迎 苏玉 周健 张玲 黄端 | 2019 | Chinese Physics B2019，28，1： | 1 |
| 11 | Tomographic Approach in Three-Orthogonal-Basis Quantum Key Distribution显示文摘At present, there is an increasing awareness of some three-orthogonal-basis quantum key distribution protocols, such as, the reference-frame-independent(RFI) protocol and the six-state protocol. For secure key rate estimations of these protocols, there are two methods: one is the conventional approach, and another is the tomographic approach. However, a comparison between these two methods has not been given yet. In this work, with the general model of rotation channel, we estimate the key rate using conventional and tomographic methods respectively. Results show that conventional estimation approach in RFI protocol is equivalent to tomographic approach only in the case of that one of three orthogonal bases is always aligned. In other cases, tomographic approach performs much better than the respective conventional approaches of the RFI protocol and the six-state protocol. Furthermore, based on the experimental data,we illustrate the deep connections between tomography and conventional RFI approach representations. | 梁文烨 温浩 银振强 陈华 李宏伟 陈巍 韩正甫 | 2015 | Communications in Theoretical Physics2015，，9： | 1 |
| 12 | Reconciliation for CV-QKD using globally-coupled LDPC codes显示文摘Reconciliation is a necessary step in postprocessing of continuous-variable quantum key distribution(CV-QKD)system.We use globally coupled low-density parity-check(GC-LDPC)codes in reconciliation to extract a precise secret key from the raw keys over the authenticated classical public channel between two users.GC-LDPC codes have excellent performance over both the additive Gaussian white noise and binary-erasure channels.The reconciliation based on GC-LDPC codes can improve the reconciliation efficiency to 95.42% and reduce the frame error rate to 3.25×10^-3.Using distillation,the decoding speed can achieve 23.8 Mbits/s and decrease the cost of memory.Given decoding speed and low memory usage,this makes the proposed reconciliation method viable approach for high-speed CV-QKD system. | 石金晶 李伯鹏 黄端 | 2020 | Chinese Physics B2020，29，4： | 1 |
| 13 | A review of the neptis species group of the genus Lilioceris(Coleoptera:Chrysomelidae:Criocerinae)显示文摘A new species group of the genus Lilioceris Reitter,1913 is proposed and keyed as neptis group,characterized by adults with mesoventral process widened,tuberculate,and horizontally connected with mesoventrite.It includes six species:Lilioceris balyi Chujo,1962,L.cantonensis Heinze,1943 stat.rev.,L.fouana Pic,1932,L.neptis(Weise,1922),L.subpolita(Motschulsky,1861)and L.vietnamica Medvedev,1985.Among them,Lilioceris cantonensis Heinze,1943 is resurrected as a valid species from synonyms of L.neptis(Weise,1922);L.fouana Pic,1932 is transferred from the subgenus Chujoita Monrós,1959 to the subgenus Lilioceris Reitter,1913;L.vietnamica Medvedev,1985 is firstly recorded in China;some misidentifications of former literatures for L.neptis are provided.Redescriptions(if necessary),habitus photographs,geographic distributions,host plants and habitats(if known)are provided for these species. | Yuan Xu Yun Xiong Hongbin Liang | 2021 | Zoological Systematics2021，46，4： | 0 |
| 14 | Elimination of Spatial Side-Channel Information for Compact Quantum Key Distribution Senders显示文摘For a compact quantum key distribution (QKD) sender for the polarization encoding BB84 protocol, an eavesdropper could take a side-channel attack by measuring the spatial information of photons to infer their polarizations. The possibility of this attack can be reduced by introducing an aperture in the QKD sender, however, the effect of the aperture on the QKD security lacks of quantitative analysis. In this paper, we analyze the mutual information between the actual keys encoded at this QKD sender and the inferred keys at the eavesdropper (Eve), demonstrating the effect of the aperture to eliminate the spatial side-channel information quantitatively. It shows that Eve’s potential on eavesdropping spatial side-channel information is totally dependent on the optical design of the QKD sender, including the source arrangement and the aperture. The height of compact QKD senders with integrated light-emitting diode (LED) arrays could be controlled under several millimeters, showing great potential on applications in portable equipment. | Wei-Shao Huang Wei Zhang Yi-Dong Huang | 2019 | Journal of Electronic Science and Technology2019，17，3： | 0 |
| 15 | Attacking a high-dimensional quantum key distribution system with wavelength-dependent beam splitter显示文摘The unconditional security of quantum key distribution(QKD) can be guaranteed by the nature of quantum physics.Compared with the traditional two-dimensional BB84 QKD protocol, high-dimensional quantum key distribution(HDQKD) can be applied to generate much more secret key.Nonetheless, practical imperfections in realistic systems can be exploited by the third party to eavesdrop the secret key.The practical beam splitter has a correlation with wavelength,where different wavelengths have different coupling ratios.Using this property, we propose a wavelength-dependent attack towards time-bin high-dimensional QKD system.What is more, we demonstrate that this attacking protocol can be applied to arbitrary d-dimensional QKD system, and higher-dimensional QKD system is more vulnerable to this attacking strategy. | 杜舸海 李宏伟 汪洋 鲍皖苏 | 2019 | Chinese Physics B2019，28，9： | 0 |
| 16 | Reference-frame-independent quantum key distribution with an untrusted source显示文摘Reference frame independent quantum key distribution(RFI-QKD) allows two legitimate parties to share the common secret keys with the drift of reference frames. In order to reduce the actual requirements of RFI-QKD protocol on light source and make it more suitable for practical applications, this paper gives a specific description of RFI-QKD protocol with an untrusted source and analyzes the practical security of this protocol based on the two-way 'plug and play' structure commonly used in practical systems. In addition, we also investigate the performance of RFI-QKD with an untrusted source considering statistical fluctuations based on Chernoff bound. Using simulations, we compare the secret key rate of RFIQKD with an untrusted source to RFI-QKD with trusted source. The results show that the performance of RFI-QKD with an untrusted source is similar to that of RFI-QKD with trusted source, and the finite data size clearly effects the performance of our protocol. | 李家骥 汪洋 李宏伟 鲍皖苏 | 2020 | Chinese Physics B2020，29，3： | 0 |
| 17 | Temperature effects on atmospheric continuous-variable quantum key distribution显示文摘Compared with the fiber channel,the atmospheric channel offers the possibility of a broader geographical coverage and more flexible transmission for continuous-variable quantum key distribution(CVQKD).However,the fluctuation of atmospheric conditions will lead to the loss of performance in atmospheric quantum communication.In this paper,we study how temperature affects atmospheric CVQKD.We mainly consider the temperature effects on the transmittance and interruption probability.From the numerical simulation analysis,it can be shown that the performance of atmospheric CVQKD is improved as temperature increases,with the other factors fixed.Moreover,the results in this work can be used to evaluate the feasibility of the experimental implementation of the atmospheric CVQKD protocols. | 张淑静 马鸿鑫 汪翔 周淳 鲍皖苏 张海龙 | 2019 | Chinese Physics B2019，28，8： | 0 |
| 18 | Quantum Authentication Based on the Lengthened String Scheme显示文摘Assuming there is a shared string between the users, we present a novel scheme, the lengthened string scheme (LSS), where the shared string is lengthened firstly by a specially designed algorithm, then some special treatments are applied on the lengthened one before it is used to authenticate. Based on the lengthened string scheme (LSS) we propose a quantum authentication protocol using entanglements. And the robustness of our protocol is discussed. In fact all the quantum key distribution protocols can do identification simultaneously based on the LSS. | GUO Fen-zhuo~(1,2), WEN Qiao-yan~1, ZHU Fu-chen~3 1.School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, P.R. China 2.State Key Laboratory of Integrated Services Network, Xidian University, Xi’an 710071, P.R. China 3.National Laboratory for Secure Communication, Chengdu 610041, P.R. China | 2004 | The Journal of China Universities of Posts and Telecommunications2004，11，z1： | 0 |
| 19 | 被动圈套状态量钥匙分发的试验性的示范 | 张阳 王双 银振强 陈巍 梁文烨 李宏伟 郭光灿 韩正甫 | 2012 | Chinese Physics B2012，21，10： | 0 |
| 20 | 丛枝菌根真菌对旱稻根际Pb形态分布的影响(英文)显示文摘[目的]为了研究丛枝菌根真菌对旱稻根际土壤中重金属铅(Pb)化学赋存形态的影响。[方法]采用盆栽实验的方法,研究了不同Pb处理水平(0、300、600mg/kg)下,接种丛枝菌根真菌(AMF)Glomus mosseae对旱稻(OryzalsativaL.)根际Pb形态分布的影响。[结果]接种处理下,旱稻根系侵染率以及根外菌丝量随着土壤Pb含量增加而显著降低(P<0.05)。与未接种处理相比,接种处理显著提高Pb处理下根际pH;300mg/kgPb处理下,接种显著增加土壤球囊霉素含量,600mg/kgPb处理下,接种处理显著降低土壤球囊霉素含量(P<0.05);在Pb处理下,与未接种处理相比,接种处理显著提高可交换态Pb含量,显著降低了碳酸盐结合态以及铁锰氧化物结合态Pb含量,却显著增加了土壤中有机质结合态Pb含量(P<0.05)。[结论]这说明接种丛枝菌根真菌可以改变旱稻根际土壤中Pb的形态分布。 | 张旭红 林爱军 张莘 郭兰萍 | 2012 | Agricultural Science & Technology2012，13，7： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员