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对杂凑算法安全性的统计性能的分析,通常采用χ2检验的方法。给出另一种易于操作的新的方法:偏差分析法。给出了杂凑算法扩散性能偏差分析的理论分布和选取样本容量的下界的计算公式,并给出了MD5算法的运用实例。
Analysis of the statistical performance of the hash algorithm security, usually using χ2 test method. Another new and easy-to-use method is given: Deviation Analysis. The theoretical distribution of the deviation analysis of the diffusion performance of the hash algorithm and the formula for calculating the lower bound of the sample size are given, and the application examples of the MD5 algorithm are given.