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研究最大代数免疫阶弹性函数的构造问题,提出了一种易于编程实现的弹性化思想。将择多函数作为初始函数,利用弹性化方法将其转化为弹性函数,给出了此函数具有最大代数免疫阶的充要条件,并简要讨论了该函数的非线性度及代数次数。
In this paper, we study the construction of the maximum algebraic immune-order elasticity function and propose an elasticization idea that is easy to program and implement. The selection function is taken as the initial function and transformed into elastic function by elasticization method. The necessary and sufficient condition for the function to have maximal algebraic immunity is given. The nonlinearity and algebraic number of the function are briefly discussed.