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原有针对一般RSA算法的计时攻击方式不是只在理论上进行研究,就是在某种特定的条件下进行实验,其主要研究对象是智能卡,具有可行性不高、攻击范围狭窄等缺点.在深入研究分析RSA实现算法基础上,结合差分统计分析方法,引入方差分析假设检验,提出一种可行的计时攻击算法,并针对RSA算法的软件应用进行攻击验证,结果表明提出的攻击方案不仅比传统攻击方式具有更高的可行性,而且能够适用于不同密钥长度的攻击.
The original timing attack method for the general RSA algorithm is not only in theory, but also in some specific conditions for the experiment, the main object of study is a smart card, with low feasibility, narrow attack range and other shortcomings. Based on the analysis of RSA algorithm, combined with the method of differential statistical analysis, the analysis of variance analysis hypothesis is introduced, a feasible timing attack algorithm is proposed, and the attack verification is carried out for the software application of RSA algorithm. The results show that the proposed attack scheme is not only better than the traditional attack The method is more feasible and can be applied to attacks of different key lengths.