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国家自然科学基金(60573031): 作品数：10被引量：32H指数：2; 导出分析报告; 相关作者：谷大武李玮任艳丽刘亚更多>>; 相关机构：上海交通大学更多>>; 相关期刊：《Wuhan University Journal of Natural Sciences》《Chinese Journal of Electronics》《通信学报》《计算机应用研究》更多>>; 相关主题：SMS4AGAINSTCRYPTOGRAPHYPRECISEZERO-KNOWLEDGE更多>>; 相关领域：自动化与计算机技术理学电子电信农业科学更多>>

Multiple Linear Cryptanalysis of Reduced-Round SMS4 Block Cipher被引量：7: 《Chinese Journal of Electronics》2010年第3期389-393,共5页LIU Zhiqiang GU Dawu ZHANG Jing; This work is supported by the National Natural Science Foundation of China （No.60573031）.; SMS4 is a 32-round block cipher with 128- bit block size and key size. It has been widely implemented in Chinese WLAN industry. In this papery we present a modified branch-and-bound algorithm which can be used for sea...; 关键词：SMS4 Block cipher Linear characteristic Multiple linear cryptanalysis Branch-and-bound.

On Sequential Composition of Precise Zero-Knowledge: 《Journal of Shanghai Jiaotong university(Science)》2010年第1期43-48,共6页丁宁谷大武; the National Natural Science Foundation of China (No. 60573031);the New Century Excellent Talent Program of Education Ministry of China(NCET-05-0398); Precise zero-knowledge was introduced by Micali and Pass in STOC'06.This notion captures the idea that the view of any verifier in interaction can be reconstructed in almost time.Pass also obtained a sequential compos...; 关键词：CRYPTOGRAPHY ZERO-KNOWLEDGE precise zero-knowledge

Precise Zero-Knowledge Arguments with Poly-logarithmic Efficiency: 《Journal of Shanghai Jiaotong university(Science)》2009年第5期584-589,共6页丁宁谷大武; the National Natural Science Foundation of China (No.60573031);New Century Excellent Talent Program of Education Ministry of China (No.NCET-05-0398); Precise zero-knowledge was introduced by Micali and Pass in STOC06. This notion captures the idea that the view of a verifier can be reconstructed in almost same time. Following the notion, they constructed some preci...; 关键词：CRYPTOGRAPHY ZERO-KNOWLEDGE precise zero-knowledge

Efficient Scalar Multiplication for Elliptic Curves over Binary Fields: 《Wuhan University Journal of Natural Sciences》2008年第6期717-720,共4页GU Haihua GU Dawu LIU Ya; Supported by the National Natural Science Foundation of China (60573031); Scalar multiplication [n]P is the kernel and the most time-consuming operation in elliptic curve cryptosystems. In order to improve scalar multiplication, in this paper, we propose a tripling algorithm using Lopez and...; 关键词：elliptic curve cryptosystem scalar multiplication double-base number system projective coordinates

进一步优化关于素数无穷性的Euclid证法被引量：1: 《纯粹数学与应用数学》2008年第4期631-633,共3页刘亚谷大武; 国家自然科学基金(60573031); 令pi表示第i个素数.本文主要目的是用初等的方法构造性证明了,当r≥4时区间Ir中至少有2[log2(2r)]+1个素数,这一结果是Aldaz和Bravo对区间Ir中素数的个数的估值两倍.; 关键词：素数无穷性 Euclid证法互素

基于密钥编排故障的SMS4算法的差分故障分析被引量：23: 《通信学报》2008年第10期135-142,共8页李玮谷大武; 国家自然科学基金资助项目(60573031);教育部"新世纪优秀人才支持计划"基金资助项目(NCET-05-0398)~~; 提出并讨论了一种针对SMS4密钥编排方案的差分故障攻击方法。该方法采用面向字节的随机故障模型,通过在SMS4算法的密钥编排方案中导入故障,仅需要8个错误密文即可恢复SMS4算法的128bit原始密钥。数学分析和实验结果表明,该方法不仅扩展...; 关键词：密码分析旁路攻击差分故障分析 SMS4

Resistance against side channel attack for RSA cryptosystem: 《Journal of Shanghai University(English Edition)》2008年第2期146-151,共6页祝力谷大武王超; Project supported by the National Natural Science Foundation of China (Grant No.60573031);the Foundation of the National Laboratory for Modern Communications (Grant No.51436060205JW0305); Based on the structure of the side channel attacks （SCAs） to RSA cryptosystem can resist the fault attack and combine with the randomization method for the message and secret exponent, a new implementation scheme of...; 关键词：RSA side channel attack （SCA） randomization method

公钥密码方案的可证明安全性注记被引量：2: 《计算机应用研究》2008年第4期1130-1133,共4页任艳丽谷大武; 国家自然科学基金资助项目(60573031);教育部新世纪优秀人才支持计划资助项目(NCET-05-0398); 长期以来,人们对于可证明安全的认识存在着一些误区:可证明安全的方案一定是安全的,归约证明紧的一定比归约松的更安全。总结了与方案安全性有关的几个要素,分析了公钥密码方案可证明安全的实质,纠正了以往的一些错误认识,指出可证明安...; 关键词：可证明安全攻击模型攻击目标归约松紧度

Further Analysis of Block Ciphers against Timing Attacks: 《Wuhan University Journal of Natural Sciences》2006年第6期1629-1632,共4页LI Wei GU Dawu; Supported by the National Natural Science Foun-dation of China(60573031) ;the Foundation of National Laboratoryfor Modern Communications(51436060205J W0305) ;the Founda-tion of Senior Visiting Scholarship of Fudan University; Timing attacks break a cryptosystem by time measurement to recover keys. Most available countermeasures protect block ciphers based on the safety of modules. This paper gives a complete definition of timing attacks an...; 关键词：timing attacks block ciphers REDUCTION

Formalization of Fault Analysis and a New Approach of Fault Detection: 《Journal of Shanghai Jiaotong university(Science)》2006年第3期301-306,共6页王超谷大武祝力; National Natural Science Foundation ofChina(No.60573031);Foundation of Na-tional Laboratory for Modern Communica-tions(No.51436060205JW0305);Founda-tion of Senior Visiting Scholarship of Fu-dan University; Substitution permutation network (SPN) is one important structure of block cipher cryptosystems. Prior work has shown different fault analyses on SPN. The formalization of fault analysis of both attack and protect on ...; 关键词：fault analysis differential fault analysis （DFA） substitution permutation network （SPN） pseudo-blinding parity-based technique

国家自然科学基金(60573031)