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具有高阶传播准则的对称布尔函数的直接确定(英文)

To determine spc(K) boolean functions by its definition
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摘要 在密码学的应用中,布尔函数的传播准则和对称性是非常重要的性质.Preneel等率先提出高阶传播准则.作者用一个新的非常有趣的组合方法,给出一个对所有对称且具有二阶或二阶以上传播准则的布尔函数的直接确定,当函数一旦对称时,此法很可能有效. The propagation criterion (PC) and symmetry for Boolean functions are important properties in cryptographic applications. The k-th degree PC was first studied by Preneel et al. In this paper, with some elementary properties. of combinatorial coefficients, the authors give a new proof that there are exactly 4 n- variable symmetric PC(k) (SPC(k)) functions for k =2,3,… ,2[n/2].
作者 李袁 项兆虹
出处 《四川大学学报(自然科学版)》 CAS CSCD 北大核心 2007年第2期209-212,共4页 Journal of Sichuan University(Natural Science Edition)
关键词 布尔函数 密码学 严格雪崩准则 传播准则 对称性 BENT函数 非线性度 Boolean function, cryptography, propegation oriterion, strict avalanch critorion Bent functions, symmetry, nonlinearity
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参考文献12

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