Research on differential power analysis of the DES algorithm

Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (32): 146-148.

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Research on differential power analysis of the DES algorithm

QIAN Si-jin¹,ZHANG Kai-ze²,WANG Yan-bo²,HE De-quan¹

1.Northwestern Polytechnic University,Xi’an 710072,China
2.Department of Electronic Information Engineering ICE,PLAUST,Nanjing 210007,China

Received:1900-01-01 Revised:1900-01-01 Online:2007-11-11 Published:2007-11-11
Contact: QIAN Si-jin

DES加密算法差分能量分析的研究

钱思进¹,张凯泽²,王衍波²,何德全¹

1.西北工业大学自动化与信息工程学院,西安 710072
2.解放军理工大学通信工程学院电子信息工程系,南京 210007

通讯作者: 钱思进

Abstract

Abstract: Based on the thorough analysis of the Differential Power Analysis theory,a DES-oriented DPA system is designed in this paper and the DPA analysis correct rate is achieved.Through detail observation and analysis of the experimental data,we’ve found one factor which may seriously affect the DES’ DPA analysis correct rate,that is the 4th S-Box collision phenomenon which is deserved to be researched deeply in the future.

Key words: Differential Power Analysis（DPA）, observation bit, subkey block, collision

摘要： 分析差分能量分析原理的基础上,设计了针对DES加密算法的差分能量分析系统并得出了分析的正确率。通过对实验数据的深入观察和分析,发现了可能严重影响DES的DPA分析正确率因素——DES的第四个S盒冲突现象,值得进一步深入研究。

关键词: 差分能量分析, 观察位, 子密钥块, 冲突

QIAN Si-jin¹,ZHANG Kai-ze²,WANG Yan-bo²,HE De-quan¹. Research on differential power analysis of the DES algorithm[J]. Computer Engineering and Applications, 2007, 43(32): 146-148.

钱思进¹,张凯泽²,王衍波²,何德全¹. DES加密算法差分能量分析的研究[J]. 计算机工程与应用, 2007, 43(32): 146-148.

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Research on differential power analysis of the DES algorithm

DES加密算法差分能量分析的研究

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