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国家自然科学基金(91018008): 作品数：28被引量：107H指数：5; 导出分析报告; 相关作者：张焕国贾建卫刘金会吴万青李晓丽更多>>; 相关机构：武汉大学教育部南通大学中国人民解放军海军工程大学更多>>; 相关期刊：《科技通报》《计算机研究与发展》《China Communications》《Science China(Information Sciences)》更多>>; 相关主题：CRYPTOGRAPHY密码学CRYPTANALYSIS信息安全量子计算更多>>; 相关领域：自动化与计算机技术电子电信理学天文地球更多>>

基于e次根攻击RSA的量子算法被引量：1: 《工程科学与技术》2018年第2期163-169,共7页王亚辉张焕国王后珍; 国家自然科学基金重点资助项目(61332019);国家自然科学基金资助项目(61402339;61202386);国家自然科学基金重大项目资助(91018008);国家重点基础研究发展规划资助项目(2014CB340601);国家密码发展基金资助项目(MMJJ201701304); 量子算法的出现给现有的公钥密码体制带来了严峻挑战,其中,最具威胁的是Shor算法。Shor算法能够在多项式时间内求解整数分解问题和离散对数问题,使得当前应用广泛的RSA、ElGamal和ECC等公钥密码体制在量子计算环境下不再安全,因此研究...; 关键词：信息安全密码学 RSA密码量子计算

基于方程求解与相位估计攻击RSA的量子算法被引量：3: 《计算机学报》2017年第12期2688-2699,共12页王亚辉张焕国吴万青韩海清; 国家自然科学基金重点项目(61332019);国家自然科学基金(61303212;61202386);国家自然科学基金重大项目(91018008)资助;国家"九七三"重点基础研究发展(2014CB340601)~~; 量子计算的发展对现有的公钥密码体制提出了严峻的挑战,利用Shor算法就可攻击公钥密码RSA,ELGamal等.因此,研究量子计算环境下的密码破译有重大意义.经典的因子分解算法是通过求解同余方程α~2≡β~2(modn)实现的.据查证,目前还没有求...; 关键词：信息安全密码学 RSA密码体制量子计算

Cryptanalysis of Schemes Based on Polynomial Symmetrical Decomposition被引量：1: 《Chinese Journal of Electronics》2017年第6期1139-1146,共8页LIU Jinhui ZHANG Huanguo JIA Jianwei; supported by the National Natural Science Foundation of China(No.61303212,No.61170080,No.61202386);the State Key Program of National Natural Science of China(No.61332019,No.U1135004);the Major Research Plan of the National Natural Science Foundation of China(No.91018008);the National Basic Research Program of China(973 Program)(No.2014CB340600);the Hubei Natural Science Foundation of China(No.2011CDB453,No.2014CFB440); Advances in quantum computation threaten to break public key cryptosystems such as RSA,ECC, and El Gamal that are based on the difficulty of factorization or taking a discrete logarithm, although up to now, no quantum...; 关键词：CRYPTOGRAPHY Post-quantum computational cryptography Cryptanalysis Polynomial symmetrical decomposition(PSD) problem Computational complexity

Cryptanalysis of a Key Exchange Protocol Based on Commuting Matrices: 《Chinese Journal of Electronics》2017年第5期947-951,共5页JIA Jianwei LIU Jinhui ZHANG Huanguo; supported by the National Natural Science Foundation of China(No.61303212,No.61170080,No.61202386);the State Key Program of National Natural Science of China(No.61332019,No.U1135004);the Major Research Plan of the National Natural Science Foundation of China(No.91018008);Major State Basic Research Development Program of China(973 Program)(No.2014CB340600);the Hubei Natural Science Foundation of China(No.2011CDB453,No.2014CFB440); A key exchange protocol is considered unsafe.The scheme is based on a set of m commuting square singular matrices of dimension n×n over a finite field,and its security is claimed to rely on the hardness of the matrix...; 关键词：CRYPTOGRAPHY Key exchange protocol CRYPTANALYSIS Discrete logarithm problem Linear equations

Image Forgery Detection Using Segmentation and Swarm Intelligent Algorithm被引量：2: 《Wuhan University Journal of Natural Sciences》2017年第2期141-148,共8页ZHAO Fei SHI Wenchang QIN Bo LIANG Bin; Supported by the National Natural Science Foundation of China(61472429,61070192,91018008,61303074,61170240);the National High Technology Research Development Program of China(863 Program)(2007AA01Z414);the National Science and Technology Major Project of China(2012ZX01039-004);the Beijing Natural Science Foundation(4122041); Small or smooth cloned regions are difficult to be detected in image copy-move forgery （CMF） detection. Aiming at this problem, an effective method based on image segmentation and swarm intelligent （SI） algorithm ...; 关键词：copy-move forgery detection scale invariant features transform （SIFT） swarm intelligent algorithm particle swarm optimization

A New Quantum Algorithm for Computing RSA Ciphertext Period被引量：2: 《Wuhan University Journal of Natural Sciences》2017年第1期68-72,共5页WANG Yahui YAN Songyuan ZHANG Huanguo; Supported by the National Natural Science Foundation of China(61303212,61202386);the State Key Program of National Natural Science of China(61332019);the Major Research Plan of the National Natural Science Foundation of China(91018008,SKLSE-2015-A-02); Shor proposed a quantum polynomial-time integer factorization algorithm to break the RSA public-key cryptosystem.In this paper,we propose a new quantum algorithm for breaking RSA by computing the order of the RSA ciph...; 关键词：information security CRYPTOLOGY RSA cryptography quantum computing

破解R.S.Bhalerao公钥加密方案: 《武汉大学学报（理学版）》2016年第5期425-428,共4页贾建卫刘金会吴朔媚张焕国康遥; 国家自然科学基金资助项目(61303212;61170080;61202386);国家自然科学基金资助重点项目(61332019;U1135004);国家自然科学基金资助重大项目(91018008);国家重点基础研究发展计划(973)项目(2014CB340600);湖北省自然基金项目(2011CDB453;2014CFB440); R.S.Bhalerao等人设计了建立在矩阵群上的R.S.公钥加密方案.本文利用矩阵的一些性质,在不需要找到私钥的情况下,多项式时间内恢复出明文,并给出了方法描述和时间复杂度分析,破解了R.S.Bhalerao公钥加密方案.; 关键词：密码学公钥加密密码分析云计算线性方程组

Cryptanalysis of Cryptosystems Based on General Linear Group被引量：1: 《China Communications》2016年第6期217-224,共8页Jianwei Jia Jinhui Liu Huanguo Zhang; supported in part by the National Natural Science Foundation of China(Grant Nos.61303212,61170080,61202386);the State Key Program of National Natural Science of China(Grant Nos.61332019,U1135004);the Major Research Plan of the National Natural Science Foundation of China(Grant No.91018008);Major State Basic Research Development Program of China(973 Program)(No.2014CB340600);the Hubei Natural Science Foundation of China(Grant Nos.2011CDB453,2014CFB440); Advances in quantum computers threaten to break public key cryptosystems such as RSA, ECC, and EIGamal on the hardness of factoring or taking a discrete logarithm, while no quantum algorithms are found to solve certai...; 关键词：CRYPTOGRAPHY post quantum computational cryptography CRYPTANALYSIS non-abelian algebraic structures linear equations

Cryptanalysis of Schemes Based on Pseudoinverse Matrix: 《Wuhan University Journal of Natural Sciences》2016年第3期209-213,共5页LIU Jinhui ZHANG Huanguo JIA Jianwei; Supported by the National Natural Science Foundation of China(61303212,61170080,61202386);the State Key Program of National Natural Science of China(61332019,U1135004);the Major Research Plan of the National Natural Science Foundation of China(91018008);Major State Basic Research Development Program of China(973 Program)(2014CB340600);the Natural Science Foundation of Hubei Province(2011CDB453,2014CFB440); Advances in quantum computation threaten to break public key eryptosystems that are based on the difficulty of fac- torization or the difficulty of discrete logariths, although , no quantum algorithms have been found ...; 关键词：CRYPTOGRAPHY post-quantum computational cryptography key exchange protocol CRYPTANALYSIS matrix decomposition

Cryptanalysis of Public Key Cryptosystems Based on Non-Abelian Factorization Problems被引量：3: 《Tsinghua Science and Technology》2016年第3期344-351,共8页Jinhui Liu Aiwan Fan Jianwei Jia Huanguo Zhang Houzhen Wang Shaowu Mao; supported by the National Natural Science Foundation of China (Nos.61303212,61170080,61202386,61332019,U1135004,and 91018008);the National Key Basic Research and Development (973) Program of China (No.2014CB340600);the Natural Science Foundation of Hubei Province (Nos.2011CDB453 and 2014CFB440); Advances in quantum computers threaten to break public-key cryptosystems （e.g., RSA, ECC, and EIGamal）, based on the hardness of factoring or taking a discrete logarithm. However, no quantum algorithms have yet been...; 关键词：CRYPTOGRAPHY post-quantum cryptography public key encryption CRYPTANALYSIS linear equations

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