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解放军信息工程大学 密码工程学院,河南 郑州 450001
[ "刘燕(1990-),女,江苏南通人,解放军信息工程大学硕士生,主要研究方向为密码学与信息安全。" ]
[ "胡斌(1971-),男,河南新县人,解放军信息工程大学教授、博士生导师,主要研究方向为密码学与信息安全。" ]
[ "徐立平(1989-),男,山东济阳人,解放军信息工程大学硕士生,主要研究方向为密码学与信息安全。" ]
网络出版日期:2015-05,
纸质出版日期:2015-05-25
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刘燕, 胡斌, 徐立平. T函数Walsh谱值与差分转移概率快速算法[J]. 通信学报, 2015,36(5):167-173.
IUYan L, UBin H, ULi-ping X. Efficient algorithm for computing Walsh spectrum and differential probability[J]. Journal on communications, 2015, 36(5): 167-173.
刘燕, 胡斌, 徐立平. T函数Walsh谱值与差分转移概率快速算法[J]. 通信学报, 2015,36(5):167-173. DOI: 10.11959/j.issn.1000-436x.2015112.
IUYan L, UBin H, ULi-ping X. Efficient algorithm for computing Walsh spectrum and differential probability[J]. Journal on communications, 2015, 36(5): 167-173. DOI: 10.11959/j.issn.1000-436x.2015112.
根据T函数自身输入与输出结构特点,结合T函数窄度相关定义,研究了T函数线性性质和差分性质。通过构造马尔可夫链和概率转移矩阵,给出了其Walsh谱值与差分转移概率计算的多项式时间快速算法,时间复杂度为O(n),并将该算法应用于对TSC系列T函数的研究,得到任意输入输出线性组合的Walsh谱值表达式。
According to the characteristic of T-functions
along with the definition of narrow T-functions
the linear prop-erty and differential property were studied.Markov chain and transition matrices were constructed to propose fast algo-rithm for computing Walsh spectrum and differential probability
of which the time complexity is O(n).In addition
the algorithm is applied in the T-functions in TSC-family and finally the result expression is given.
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