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1Survey 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 2019China Communications2019,16,10:2
2高效的多比特量子公钥加密方案显示文摘在量子计算机问世后,目前广泛使用的公钥密码体制将被破译,故而急需提出新的可替换的抗量子计算攻击的公钥密码体制.结合量子比特旋转变换和经典的单向函数(Hash函数)构建了一个多比特的量子公钥加密方案,分析结果显示,该方案可以抵制前向搜索和选择密文攻击,而且加密相同长度的明文所需的公钥量子比特数比Kawachi等的方案显著降低.郑世慧 闻楷 谷利泽 2019北京邮电大学学报2019,42,4:1
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