无线传感器网络节点明文分布对差分功耗分析成功率的影响

无线传感器网络WSN节点中的加密模块往往面临着侧信道攻击SCA的威胁。然而由于WSN节点加密的数据来自于实际的物理信号,明文的分布将会遵循其物理规律,这一点与通常讨论侧信道攻击安全性时假设明文为完全随机的情形不同。为了探索当攻击者用的明文是传感器采集到的实际非均匀分布的信号时差分功耗分析DPA的成功率,该论文从理论和实验上分析了明文分布与分组密码DPA的成功率之间的关系。结论是DPA成功率负相关于明文分布与均匀分布之间的Cramervon-Mises统计距离。根据这一结论,可以得出当攻击者攻击时能够构造明文,其利用随机均匀分布明文的成功率高;当攻击时只能利用实际数据,攻击最后一轮比攻击第一轮成...

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Published in计算机工程与科学 Vol. 39; no. 6; pp. 1070 - 1078
Main Author 刘永昌 李翔宇
Format Journal Article
LanguageChinese
Published 清华信息科学与技术国家实验室,北京100084 2017
清华大学微电子研究所,北京100084
Subjects
Online AccessGet full text
ISSN1007-130X
DOI10.3969/j.issn.1007-130X.2017.06.008

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Abstract 无线传感器网络WSN节点中的加密模块往往面临着侧信道攻击SCA的威胁。然而由于WSN节点加密的数据来自于实际的物理信号,明文的分布将会遵循其物理规律,这一点与通常讨论侧信道攻击安全性时假设明文为完全随机的情形不同。为了探索当攻击者用的明文是传感器采集到的实际非均匀分布的信号时差分功耗分析DPA的成功率,该论文从理论和实验上分析了明文分布与分组密码DPA的成功率之间的关系。结论是DPA成功率负相关于明文分布与均匀分布之间的Cramervon-Mises统计距离。根据这一结论,可以得出当攻击者攻击时能够构造明文,其利用随机均匀分布明文的成功率高;当攻击时只能利用实际数据,攻击最后一轮比攻击第一轮成功率高。
AbstractList 无线传感器网络WSN节点中的加密模块往往面临着侧信道攻击SCA的威胁。然而由于WSN节点加密的数据来自于实际的物理信号,明文的分布将会遵循其物理规律,这一点与通常讨论侧信道攻击安全性时假设明文为完全随机的情形不同。为了探索当攻击者用的明文是传感器采集到的实际非均匀分布的信号时差分功耗分析DPA的成功率,该论文从理论和实验上分析了明文分布与分组密码DPA的成功率之间的关系。结论是DPA成功率负相关于明文分布与均匀分布之间的Cramervon-Mises统计距离。根据这一结论,可以得出当攻击者攻击时能够构造明文,其利用随机均匀分布明文的成功率高;当攻击时只能利用实际数据,攻击最后一轮比攻击第一轮成功率高。
TP393.08; 无线传感器网络WSN节点中的加密模块往往面临着侧信道攻击SCA的威胁.然而由于WSN节点加密的数据来自于实际的物理信号,明文的分布将会遵循其物理规律,这一点与通常讨论侧信道攻击安全性时假设明文为完全随机的情形不同.为了探索当攻击者用的明文是传感器采集到的实际非均匀分布的信号时差分功耗分析DPA的成功率,该论文从理论和实验上分析了明文分布与分组密码DPA的成功率之间的关系.结论是DPA成功率负相关于明文分布与均匀分布之间的Cramer-von-Mises统计距离.根据这一结论,可以得出当攻击者攻击时能够构造明文,其利用随机均匀分布明文的成功率高;当攻击时只能利用实际数据,攻击最后一轮比攻击第一轮成功率高.
Abstract_FL Cryptographic modules in wireless sensor network (WSN) nodes often face side channel attack threat.However,since the data encrypted in WSN nodes comes from natural physical signals,the distribution of plaintext will follow their natural properties,in all probability instead of being uniformly random.In order to explore the success rate of differential power analysis (DPA) when applied to nonuniform-distributed data from real sensors,we theoretically and experimentally analyze the relationship between the distribution of plaintext and the success rate of DPA on block ciphers.It turns out that the success rate of DPA targeting the first round is negatively correlated to the Cramer-von-Mises distance between the plaintext's distribution and the uniform distribution.The conclusion infers that if the attacker can construct plaintext,the uniform data makes the biggest success rate,and if the attacker only has access to real data,attacking the last round is better than attacking the first round.
Author 刘永昌 李翔宇
AuthorAffiliation 清华大学微电子研究所,北京100084 清华信息科学与技术国家实验室筹,北京100084
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DocumentTitleAlternate Effect of distribution of plaintext on DPA in WSN nodes
DocumentTitle_FL Effect of distribution of plaintext on DPA in WSN nodes
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Keywords 成功率
WSN
DPA
success rate
侧信道攻击
side channel analysis
无线传感器网络
明文分布
distribution of plaintext
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Notes LIU Yong-chang1'2 ,I.I Xiang-yu1'2 (1. Institute of Microelectronics,Tsinghua University, Beijing 100084 (2. National Laboratory for Information Science and Technology,Tsinghua University,Beijing 100084,China)
43-1258/TP
side channel analysis ; WSN ; DPA ; success rate ; distribution of plaintext
Cryptographic modules in wireless sensor network (WSN) nodes often face side channel attack threat. However, since the data encrypted in WSN nodes comes from natural physical signals, the distribution of plaintext will follow their natural properties, in all probability instead of being uni- formly random. In order to explore the success rate of differential power analysis (DPA) when applied to nonuniform-distributed data from real sensors, we theoretically and experimentally analyze the rela- tionship between the distribution of plaintext and the success rate of DPA on block ciphers. It turns out that the success rate of DPA targeting the first round is negatively correlated to the Cramer von-Mises distance between the
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SubjectTerms DPA
侧信道攻击
成功率
无线传感器网络
明文分布
Title 无线传感器网络节点明文分布对差分功耗分析成功率的影响
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