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摘要:
This paper presents a method for designing a class of countermeasures for DPA attacks based on attenuation of current variations. In this class of countermeasures, designers aim at decreasing the dynamic current variations to reduce the information that can be extracted from the current consumption of secure microsystems. The proposed method is based on a novel formula that calculates the number of current traces required for a successful DPA attack using the characteristics of the microsystem current signal and the external noise of the measurement setup. The different stages of the proposed method are illustrated through designing an example current flattening circuit. Meanwhile validity and applicability of the proposed formula is verified by comparing theoretical results with those obtained experimentally for the example circuit. The proposed formula not only estimates the required level of attenuation for a target level of robustness defined by design requirements, it also predicts the effectiveness of a countermeasure using simulation results therefore dramatically reducing the time to design of secure microsystems.
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篇名 Design of Secure Microsystems Using Current-to-Data Dependency Analysis
来源期刊 电路与系统(英文) 学科 医学
关键词 SECURE Microsystems Differential Power ANALYSIS ATTACK COUNTERMEASURE CURRENT FLATTENING Circuit
年,卷(期) 2013,(2) 所属期刊栏目
研究方向 页码范围 137-146
页数 10页 分类号 R73
字数 语种
DOI
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研究主题发展历程
节点文献
SECURE
Microsystems
Differential
Power
ANALYSIS
ATTACK
COUNTERMEASURE
CURRENT
FLATTENING
Circuit
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
电路与系统(英文)
月刊
2153-1285
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
286
总下载数(次)
0
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