For the smart card chip in the power leakage problem in the process of DES encryption, we put forward accumulative attackalgorithm and segmented attack algorithm on DES encryption with back and forth random round whi...
详细信息
For the smart card chip in the power leakage problem in the process of DES encryption, we put forward accumulative attackalgorithm and segmented attack algorithm on DES encryption with back and forth random round which based on the analysis of DPA attack on general smart card and the features of random round, and get all keys rightly and successfully, to prove back and forth random round can’t protect security of smart card. At last, by comparing the two algorithms, we give the scope of them.
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