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Simple-deep-learning-SCA

Simple deep learning side channel attack. Experimental data set based on chipwhisperer.

自己的毕业设计,做一个纪念

使用了一些简单机器学习算法和一些简单的深度学习算法+特征提取算法,针对sbox out进行汉明重量的分类。

作者

backahasten 重庆邮电0xFA成员(已经毕业) 野生侧信道研究者

mail :[email protected]

内容

cw_template.py

由chipwhisperer官方提供的模板攻击代码,作为对照。

fft_pca_mlp.py

频域->pca降维->mlp分类

lda.py

lda分类

mlp.py

时域mlp分类

svm.py

使用SVM算法进行分类

svm_search.py

用于搜索SVM最优参数

一些总结

传统的模板攻击的特征点选取方法,提取的所有点是同一个一维度特性,如果提取的特征点太多,没有带来信息量的增加,反而使得矩阵的条件数越来越大,矩阵中毒,无法求解。pca降维,在数学上意义上比较好,无论是频域还是时域实际效果还是比较好的。

这个是一个微小差别分类问题,所以mlp的步长特别小,特别容易过拟合。

对齐

CNN分类是可以搞定没有对齐的的曲线的,但是由于算力问题没有做实验。

我个人认为,通过前期的弹性对齐之后,再进行分类和攻击,无论是算力还是效果上,性价比是最好的。我认为,对没对齐的曲线直接攻击分类是没有性价比的。

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